{"id":3514,"date":"2025-12-18T16:38:47","date_gmt":"2025-12-18T08:38:47","guid":{"rendered":"https:\/\/oretonstorage.com\/?p=3514"},"modified":"2025-12-18T16:38:47","modified_gmt":"2025-12-18T08:38:47","slug":"prestazioni-degli-ssd-sequenziali-e-casuali","status":"publish","type":"post","link":"https:\/\/oretonstorage.com\/it\/blog\/prestazioni-degli-ssd-sequenziali-e-casuali","title":{"rendered":"Velocit\u00e0 sequenziale e prestazioni casuali: Cosa influisce effettivamente sull'uso quotidiano?"},"content":{"rendered":"<p data-start=\"208\" data-end=\"386\">Le moderne unit\u00e0 SSD pubblicizzano con orgoglio velocit\u00e0 sequenziali di <strong data-start=\"259\" data-end=\"273\">7.000 MB\/s<\/strong>, <strong data-start=\"275\" data-end=\"290\">10.000 MB\/s<\/strong>o addirittura superiore.<br data-start=\"307\" data-end=\"310\" \/>Sulla carta, sembra un salto enorme rispetto alle vecchie unit\u00e0 da 3.000-3.500 MB\/s.<\/p>\n<p data-start=\"388\" data-end=\"440\">Eppure, per molti utenti, l'esperienza quotidiana cambia appena.<\/p>\n<p data-start=\"442\" data-end=\"572\">Questo scollamento non \u00e8 un inganno del marketing, ma un'incomprensione del concetto di \"marketing\". <strong data-start=\"513\" data-end=\"571\">Come funzionano le prestazioni dello storage nei sistemi reali<\/strong>.<\/p>\n<hr data-start=\"574\" data-end=\"577\" \/>\n<h2 data-start=\"579\" data-end=\"620\">Due metriche di prestazione molto diverse<\/h2>\n<p data-start=\"622\" data-end=\"726\">Prima di confrontare le unit\u00e0 SSD, \u00e8 fondamentale separare <strong data-start=\"671\" data-end=\"697\">prestazioni sequenziali<\/strong> da <strong data-start=\"703\" data-end=\"725\">prestazioni casuali<\/strong>.<\/p>\n<h3 data-start=\"728\" data-end=\"754\">Prestazioni sequenziali<\/h3>\n<p data-start=\"755\" data-end=\"829\">Misura la velocit\u00e0 di lettura o scrittura di grandi blocchi continui di dati.<\/p>\n<p data-start=\"831\" data-end=\"860\">Condizioni tipiche di benchmark:<\/p>\n<ul data-start=\"861\" data-end=\"955\">\n<li data-start=\"861\" data-end=\"898\">\n<p data-start=\"863\" data-end=\"898\">Blocco di grandi dimensioni (128 KB o superiore)<\/p>\n<\/li>\n<li data-start=\"899\" data-end=\"917\">\n<p data-start=\"901\" data-end=\"917\">Elevata profondit\u00e0 della coda<\/p>\n<\/li>\n<li data-start=\"918\" data-end=\"955\">\n<p data-start=\"920\" data-end=\"955\">Condizioni termiche e di sistema ideali<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"957\" data-end=\"979\">Prestazioni casuali<\/h3>\n<p data-start=\"980\" data-end=\"1056\">Misura l'efficienza con cui l'SSD gestisce <strong data-start=\"1021\" data-end=\"1055\">richieste di dati piccole e sparse<\/strong>.<\/p>\n<p data-start=\"1058\" data-end=\"1088\">Condizioni tipiche del mondo reale:<\/p>\n<ul data-start=\"1089\" data-end=\"1189\">\n<li data-start=\"1089\" data-end=\"1116\">\n<p data-start=\"1091\" data-end=\"1116\">Blocco di piccole dimensioni (4K-16K)<\/p>\n<\/li>\n<li data-start=\"1117\" data-end=\"1134\">\n<p data-start=\"1119\" data-end=\"1134\">Bassa profondit\u00e0 della coda<\/p>\n<\/li>\n<li data-start=\"1135\" data-end=\"1160\">\n<p data-start=\"1137\" data-end=\"1160\">Accesso misto lettura\/scrittura<\/p>\n<\/li>\n<li data-start=\"1161\" data-end=\"1189\">\n<p data-start=\"1163\" data-end=\"1189\">Attivit\u00e0 di sistema in background<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1191\" data-end=\"1248\">La maggior parte delle attivit\u00e0 quotidiane rientra nella seconda categoria.<\/p>\n<hr data-start=\"1250\" data-end=\"1253\" \/>\n<h2 data-start=\"1255\" data-end=\"1292\">Dove ogni metrica \u00e8 effettivamente importante<\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex w-fit flex-col-reverse\">\n<table class=\"w-fit min-w-(--thread-content-width)\" style=\"height: 198px\" width=\"760\" data-start=\"1294\" data-end=\"1805\">\n<thead data-start=\"1294\" data-end=\"1335\">\n<tr data-start=\"1294\" data-end=\"1335\">\n<th data-start=\"1294\" data-end=\"1310\" data-col-size=\"sm\">Tipo di carico di lavoro<\/th>\n<th data-start=\"1310\" data-end=\"1328\" data-col-size=\"sm\">Metrica dominante<\/th>\n<th data-start=\"1328\" data-end=\"1335\" data-col-size=\"md\">Perch\u00e9<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1375\" data-end=\"1805\">\n<tr data-start=\"1375\" data-end=\"1443\">\n<td data-start=\"1375\" data-end=\"1385\" data-col-size=\"sm\">Avvio del sistema operativo<\/td>\n<td data-start=\"1385\" data-end=\"1408\" data-col-size=\"sm\">Lettura casuale, latenza<\/td>\n<td data-start=\"1408\" data-end=\"1443\" data-col-size=\"md\">Migliaia di piccoli file di sistema<\/td>\n<\/tr>\n<tr data-start=\"1444\" data-end=\"1519\">\n<td data-start=\"1444\" data-end=\"1457\" data-col-size=\"sm\">Lancio dell'app<\/td>\n<td data-start=\"1457\" data-end=\"1471\" data-col-size=\"sm\">Lettura casuale<\/td>\n<td data-start=\"1471\" data-end=\"1519\" data-col-size=\"md\">Piccole risorse caricate da luoghi diversi<\/td>\n<\/tr>\n<tr data-start=\"1520\" data-end=\"1576\">\n<td data-start=\"1520\" data-end=\"1535\" data-col-size=\"sm\">Multitasking<\/td>\n<td data-start=\"1535\" data-end=\"1549\" data-col-size=\"sm\">IOPS casuali<\/td>\n<td data-start=\"1549\" data-end=\"1576\" data-col-size=\"md\">Richieste parallele di piccole dimensioni<\/td>\n<\/tr>\n<tr data-start=\"1577\" data-end=\"1654\">\n<td data-start=\"1577\" data-end=\"1603\" data-col-size=\"sm\">Copia di file (file di grandi dimensioni)<\/td>\n<td data-start=\"1603\" data-end=\"1627\" data-col-size=\"sm\">Lettura\/scrittura sequenziale<\/td>\n<td data-start=\"1627\" data-end=\"1654\" data-col-size=\"md\">Flussi di dati continui<\/td>\n<\/tr>\n<tr data-start=\"1655\" data-end=\"1726\">\n<td data-start=\"1655\" data-end=\"1670\" data-col-size=\"sm\">Esportazione video<\/td>\n<td data-start=\"1670\" data-end=\"1699\" data-col-size=\"sm\">Scrittura sequenziale sostenuta<\/td>\n<td data-start=\"1699\" data-end=\"1726\" data-col-size=\"md\">Carichi di lavoro di lunga durata<\/td>\n<\/tr>\n<tr data-start=\"1727\" data-end=\"1805\">\n<td data-start=\"1727\" data-end=\"1742\" data-col-size=\"sm\">Caricamento del gioco<\/td>\n<td data-start=\"1742\" data-end=\"1765\" data-col-size=\"sm\">Misto, per lo pi\u00f9 casuale<\/td>\n<td data-start=\"1765\" data-end=\"1805\" data-col-size=\"md\">I modelli di accesso agli asset variano a seconda del motore<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"1807\" data-end=\"1913\">Ecco perch\u00e9 un'unit\u00e0 SSD con una velocit\u00e0 sequenziale dimezzata pu\u00f2 risultare altrettanto reattiva, o talvolta pi\u00f9 veloce.<\/p>\n<hr data-start=\"1915\" data-end=\"1918\" \/>\n<h2 data-start=\"1920\" data-end=\"1966\">Perch\u00e9 7.000 MB\/s non sembrano \"due volte pi\u00f9 veloci<\/h2>\n<p data-start=\"1968\" data-end=\"2037\">La velocit\u00e0 sequenziale scala linearmente <strong data-start=\"2001\" data-end=\"2036\">solo con carichi di lavoro sequenziali<\/strong>.<\/p>\n<p data-start=\"2039\" data-end=\"2082\">L'attivit\u00e0 quotidiana del sistema \u00e8 molto diversa.<\/p>\n<h3 data-start=\"2084\" data-end=\"2112\">Comportamento tipico del desktop<\/h3>\n<ul data-start=\"2113\" data-end=\"2230\">\n<li data-start=\"2113\" data-end=\"2153\">\n<p data-start=\"2115\" data-end=\"2153\">La profondit\u00e0 della coda rimane spesso a <strong data-start=\"2142\" data-end=\"2153\">QD1-QD4<\/strong><\/p>\n<\/li>\n<li data-start=\"2154\" data-end=\"2184\">\n<p data-start=\"2156\" data-end=\"2184\">Le richieste di dati sono frammentate<\/p>\n<\/li>\n<li data-start=\"2185\" data-end=\"2230\">\n<p data-start=\"2187\" data-end=\"2230\">Intervengono lo scheduling della CPU e la cache della memoria<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2232\" data-end=\"2290\">A bassa profondit\u00e0 di coda, <strong data-start=\"2252\" data-end=\"2273\">la latenza domina<\/strong> - non la larghezza di banda.<\/p>\n<p data-start=\"2292\" data-end=\"2368\">Anche le unit\u00e0 SSD PCIe Gen5 raramente raggiungono le velocit\u00e0 di picco durante il normale utilizzo.<\/p>\n<hr data-start=\"2370\" data-end=\"2373\" \/>\n<h2 data-start=\"2375\" data-end=\"2407\">Esempio di confronto nel mondo reale<\/h2>\n<h3 data-start=\"2409\" data-end=\"2446\">Unit\u00e0 di sistema PCIe 3.0 vs PCIe 4.0<\/h3>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex w-fit flex-col-reverse\">\n<table class=\"w-fit min-w-(--thread-content-width)\" style=\"height: 153px\" width=\"673\" data-start=\"2448\" data-end=\"2727\">\n<thead data-start=\"2448\" data-end=\"2490\">\n<tr data-start=\"2448\" data-end=\"2490\">\n<th data-start=\"2448\" data-end=\"2459\" data-col-size=\"sm\">Scenario<\/th>\n<th data-start=\"2459\" data-end=\"2474\" data-col-size=\"sm\">SSD PCIe 3.0<\/th>\n<th data-start=\"2474\" data-end=\"2490\" data-col-size=\"sm\">SSD PCIe 4.0<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2532\" data-end=\"2727\">\n<tr data-start=\"2532\" data-end=\"2568\">\n<td data-start=\"2532\" data-end=\"2547\" data-col-size=\"sm\">Tempo di avvio del sistema operativo<\/td>\n<td data-start=\"2547\" data-end=\"2557\" data-col-size=\"sm\">~11.5 s<\/td>\n<td data-start=\"2557\" data-end=\"2568\" data-col-size=\"sm\">~10.8 s<\/td>\n<\/tr>\n<tr data-start=\"2569\" data-end=\"2617\">\n<td data-start=\"2569\" data-end=\"2586\" data-col-size=\"sm\">Avvio del browser<\/td>\n<td data-start=\"2586\" data-end=\"2601\" data-col-size=\"sm\">Quasi istantaneo<\/td>\n<td data-start=\"2601\" data-end=\"2617\" data-col-size=\"sm\">Quasi istantaneo<\/td>\n<\/tr>\n<tr data-start=\"2618\" data-end=\"2675\">\n<td data-start=\"2618\" data-end=\"2636\" data-col-size=\"sm\">Carico dell'applicazione Office<\/td>\n<td data-start=\"2636\" data-end=\"2655\" data-col-size=\"sm\">Differenza minima<\/td>\n<td data-start=\"2655\" data-end=\"2675\" data-col-size=\"sm\">Differenza minima<\/td>\n<\/tr>\n<tr data-start=\"2676\" data-end=\"2727\">\n<td data-start=\"2676\" data-end=\"2694\" data-col-size=\"sm\">Copia di file di grandi dimensioni<\/td>\n<td data-start=\"2694\" data-end=\"2703\" data-col-size=\"sm\">Pi\u00f9 lento<\/td>\n<td data-start=\"2703\" data-end=\"2727\" data-col-size=\"sm\">Significativamente pi\u00f9 veloce<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"2729\" data-end=\"2809\"><img decoding=\"async\" class=\"alignnone  wp-image-3517\" src=\"https:\/\/oretonstorage.com\/wp-content\/uploads\/2025\/12\/\u5fae\u4fe1\u56fe\u7247_2025-12-11_165028_616-773x1030.png\" alt=\"\" width=\"302\" height=\"403\" srcset=\"https:\/\/oretonstorage.com\/wp-content\/uploads\/2025\/12\/\u5fae\u4fe1\u56fe\u7247_2025-12-11_165028_616-773x1030.png 773w, https:\/\/oretonstorage.com\/wp-content\/uploads\/2025\/12\/\u5fae\u4fe1\u56fe\u7247_2025-12-11_165028_616-225x300.png 225w, https:\/\/oretonstorage.com\/wp-content\/uploads\/2025\/12\/\u5fae\u4fe1\u56fe\u7247_2025-12-11_165028_616-768x1024.png 768w, https:\/\/oretonstorage.com\/wp-content\/uploads\/2025\/12\/\u5fae\u4fe1\u56fe\u7247_2025-12-11_165028_616-1152x1536.png 1152w, https:\/\/oretonstorage.com\/wp-content\/uploads\/2025\/12\/\u5fae\u4fe1\u56fe\u7247_2025-12-11_165028_616-1536x2048.png 1536w, https:\/\/oretonstorage.com\/wp-content\/uploads\/2025\/12\/\u5fae\u4fe1\u56fe\u7247_2025-12-11_165028_616-9x12.png 9w, https:\/\/oretonstorage.com\/wp-content\/uploads\/2025\/12\/\u5fae\u4fe1\u56fe\u7247_2025-12-11_165028_616-800x1067.png 800w, https:\/\/oretonstorage.com\/wp-content\/uploads\/2025\/12\/\u5fae\u4fe1\u56fe\u7247_2025-12-11_165028_616-scaled.png 1920w\" sizes=\"(max-width: 302px) 100vw, 302px\" \/><img decoding=\"async\" class=\"alignnone  wp-image-3516\" src=\"https:\/\/oretonstorage.com\/wp-content\/uploads\/2025\/12\/\u5fae\u4fe1\u56fe\u7247_2025-12-11_165024_140-773x1030.png\" alt=\"\" width=\"302\" height=\"402\" srcset=\"\" sizes=\"(max-width: 302px) 100vw, 302px\" data-srcset=\"\" \/><\/p>\n<p data-start=\"2729\" data-end=\"2809\">La differenza \u00e8 misurabile, ma <strong data-start=\"2764\" data-end=\"2786\">non trasformativo<\/strong> per l'interazione quotidiana.<\/p>\n<hr data-start=\"2811\" data-end=\"2814\" \/>\n<h2 data-start=\"2816\" data-end=\"2864\">Prestazioni casuali: Il fattore di differenziazione nascosto<\/h2>\n<p data-start=\"2866\" data-end=\"2926\">Le prestazioni casuali non dipendono solo dalla larghezza di banda dell'interfaccia:<\/p>\n<h3 data-start=\"2928\" data-end=\"2955\">Fattori d'influenza chiave<\/h3>\n<ul data-start=\"2956\" data-end=\"3076\">\n<li data-start=\"2956\" data-end=\"2979\">\n<p data-start=\"2958\" data-end=\"2979\">Efficienza del controllore<\/p>\n<\/li>\n<li data-start=\"2980\" data-end=\"3001\">\n<p data-start=\"2982\" data-end=\"3001\">Programmazione del firmware<\/p>\n<\/li>\n<li data-start=\"3002\" data-end=\"3024\">\n<p data-start=\"3004\" data-end=\"3024\">Comportamento di accesso alla NAND<\/p>\n<\/li>\n<li data-start=\"3025\" data-end=\"3054\">\n<p data-start=\"3027\" data-end=\"3054\">Controllo dell'amplificazione di scrittura<\/p>\n<\/li>\n<li data-start=\"3055\" data-end=\"3076\">\n<p data-start=\"3057\" data-end=\"3076\">Consistenza termica<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3078\" data-end=\"3198\">Due unit\u00e0 SSD con interfacce PCIe identiche e velocit\u00e0 sequenziali simili possono comportarsi in modo molto diverso con carichi di lavoro leggeri.<\/p>\n<p data-start=\"3200\" data-end=\"3287\">Ecco perch\u00e9 <strong data-start=\"3212\" data-end=\"3229\">SSD bilanciate<\/strong> spesso superano i modelli \"a velocit\u00e0 di testa\" nei sistemi reali.<\/p>\n<hr data-start=\"3289\" data-end=\"3292\" \/>\n<h2 data-start=\"3294\" data-end=\"3333\">Scelta dell'unit\u00e0 SSD giusta in base al ruolo d'uso<\/h2>\n<h3 data-start=\"3335\" data-end=\"3371\">Unit\u00e0 di sistema (sistema operativo + applicazioni)<\/h3>\n<p data-start=\"3372\" data-end=\"3394\"><strong data-start=\"3372\" data-end=\"3394\">Ci\u00f2 che conta di pi\u00f9:<\/strong><\/p>\n<ul data-start=\"3395\" data-end=\"3459\">\n<li data-start=\"3395\" data-end=\"3408\">\n<p data-start=\"3397\" data-end=\"3408\">Bassa latenza<\/p>\n<\/li>\n<li data-start=\"3409\" data-end=\"3439\">\n<p data-start=\"3411\" data-end=\"3439\">Lettura\/scrittura casuale coerente<\/p>\n<\/li>\n<li data-start=\"3440\" data-end=\"3459\">\n<p data-start=\"3442\" data-end=\"3459\">Stabilit\u00e0 termica<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3461\" data-end=\"3483\"><strong data-start=\"3461\" data-end=\"3483\">Ci\u00f2 che conta di meno:<\/strong><\/p>\n<ul data-start=\"3484\" data-end=\"3510\">\n<li data-start=\"3484\" data-end=\"3510\">\n<p data-start=\"3486\" data-end=\"3510\">Estrema velocit\u00e0 sequenziale<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3512\" data-end=\"3615\"><strong data-start=\"3512\" data-end=\"3537\">Logica della raccomandazione:<\/strong><br data-start=\"3537\" data-end=\"3540\" \/>Le unit\u00e0 SSD PCIe 3.0 o PCIe 4.0 mainstream ben ottimizzate sono generalmente sufficienti.<\/p>\n<hr data-start=\"3617\" data-end=\"3620\" \/>\n<h3 data-start=\"3622\" data-end=\"3668\">Unit\u00e0 di lavoro (compiti creativi\/professionali)<\/h3>\n<p data-start=\"3669\" data-end=\"3691\"><strong data-start=\"3669\" data-end=\"3691\">Ci\u00f2 che conta di pi\u00f9:<\/strong><\/p>\n<ul data-start=\"3692\" data-end=\"3774\">\n<li data-start=\"3692\" data-end=\"3725\">\n<p data-start=\"3694\" data-end=\"3725\">Produttivit\u00e0 sequenziale sostenuta<\/p>\n<\/li>\n<li data-start=\"3726\" data-end=\"3754\">\n<p data-start=\"3728\" data-end=\"3754\">Controllo termico sotto carico<\/p>\n<\/li>\n<li data-start=\"3755\" data-end=\"3774\">\n<p data-start=\"3757\" data-end=\"3774\">Scrivere la coerenza<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3776\" data-end=\"3904\"><strong data-start=\"3776\" data-end=\"3801\">Logica della raccomandazione:<\/strong><br data-start=\"3801\" data-end=\"3804\" \/>PCIe 4.0 offre vantaggi significativi, soprattutto per i flussi di lavoro video, di rendering e di grandi risorse.<\/p>\n<hr data-start=\"3906\" data-end=\"3909\" \/>\n<h3 data-start=\"3911\" data-end=\"3927\">SSD esterno<\/h3>\n<p data-start=\"3928\" data-end=\"3950\"><strong data-start=\"3928\" data-end=\"3950\">Ci\u00f2 che conta di pi\u00f9:<\/strong><\/p>\n<ul data-start=\"3951\" data-end=\"4079\">\n<li data-start=\"3951\" data-end=\"4001\">\n<p data-start=\"3953\" data-end=\"4001\">Compatibilit\u00e0 dell'interfaccia (USB, Thunderbolt, USB4)<\/p>\n<\/li>\n<li data-start=\"4002\" data-end=\"4025\">\n<p data-start=\"4004\" data-end=\"4025\">Efficienza del controllore<\/p>\n<\/li>\n<li data-start=\"4026\" data-end=\"4079\">\n<p data-start=\"4028\" data-end=\"4079\">Reattivit\u00e0 casuale per le anteprime e l'avvio delle app<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4081\" data-end=\"4159\"><strong data-start=\"4081\" data-end=\"4097\">Un'intuizione chiave:<\/strong><br data-start=\"4097\" data-end=\"4100\" \/>La porta spesso limita le prestazioni pi\u00f9 dell'SSD stessa.<\/p>\n<hr data-start=\"4161\" data-end=\"4164\" \/>\n<h2 data-start=\"4166\" data-end=\"4215\">Quando la velocit\u00e0 sequenziale \u00e8 maggiore <em data-start=\"4198\" data-end=\"4204\">Fa<\/em> Ragionevole<\/h2>\n<p data-start=\"4217\" data-end=\"4267\">Una maggiore larghezza di banda sequenziale diventa preziosa quando:<\/p>\n<ul data-start=\"4268\" data-end=\"4434\">\n<li data-start=\"4268\" data-end=\"4303\">\n<p data-start=\"4270\" data-end=\"4303\">Le dimensioni dei file sono costantemente elevate<\/p>\n<\/li>\n<li data-start=\"4304\" data-end=\"4342\">\n<p data-start=\"4306\" data-end=\"4342\">I trasferimenti sono lunghi e senza interruzioni<\/p>\n<\/li>\n<li data-start=\"4343\" data-end=\"4393\">\n<p data-start=\"4345\" data-end=\"4393\">La piattaforma di sistema supporta pienamente l'interfaccia<\/p>\n<\/li>\n<li data-start=\"4394\" data-end=\"4434\">\n<p data-start=\"4396\" data-end=\"4434\">Il thermal throttling \u00e8 gestito correttamente<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4436\" data-end=\"4502\">Senza queste condizioni, i numeri di picco rimangono in gran parte teorici.<\/p>\n<hr data-start=\"4504\" data-end=\"4507\" \/>\n<h2 data-start=\"4509\" data-end=\"4549\">La performance \u00e8 un risultato a livello di sistema<\/h2>\n<p data-start=\"4551\" data-end=\"4613\">Le prestazioni delle SSD non sono un numero singolo.<br data-start=\"4590\" data-end=\"4593\" \/>\u00c8 il risultato di:<\/p>\n<ul data-start=\"4614\" data-end=\"4705\">\n<li data-start=\"4614\" data-end=\"4640\">\n<p data-start=\"4616\" data-end=\"4640\">Caratteristiche del carico di lavoro<\/p>\n<\/li>\n<li data-start=\"4641\" data-end=\"4664\">\n<p data-start=\"4643\" data-end=\"4664\">Limiti dell'interfaccia<\/p>\n<\/li>\n<li data-start=\"4665\" data-end=\"4686\">\n<p data-start=\"4667\" data-end=\"4686\">Comportamento del controllore<\/p>\n<\/li>\n<li data-start=\"4687\" data-end=\"4705\">\n<p data-start=\"4689\" data-end=\"4705\">Supporto della piattaforma<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4707\" data-end=\"4806\">Mostra di velocit\u00e0 sequenziale <strong data-start=\"4730\" data-end=\"4752\">capacit\u00e0 massima<\/strong>.<br data-start=\"4753\" data-end=\"4756\" \/>Spettacoli casuali <strong data-start=\"4781\" data-end=\"4805\">usabilit\u00e0 quotidiana<\/strong>.<\/p>\n<p data-start=\"4808\" data-end=\"4919\">Capire la differenza permette di prendere decisioni pi\u00f9 intelligenti ed evita di pagare per prestazioni che non vengono mai utilizzate.<\/p>","protected":false},"excerpt":{"rendered":"<p>Le moderne unit\u00e0 SSD pubblicizzano con orgoglio velocit\u00e0 sequenziali di 7.000 MB\/s, 10.000 MB\/s o persino superiori. Sulla carta, sembra un salto enorme rispetto alle vecchie unit\u00e0 da 3.000-3.500 MB\/s. Eppure, per molti utenti, l'esperienza quotidiana cambia appena. Questo scollamento non \u00e8 dovuto a un inganno del marketing, ma a un'incomprensione del funzionamento delle prestazioni di archiviazione nei sistemi reali. Due realt\u00e0 molto diverse...<\/p>","protected":false},"author":3,"featured_media":3516,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3514","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sequential Speed vs. Random Performance: What Actually Affects Daily Use? -<\/title>\n<meta name=\"description\" content=\"Sequential SSD speed numbers don\u2019t tell the whole story. Learn how random performance, latency, and workload type actually affect daily system responsiveness \u2014 and how to choose the right SSD for your use case.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/oretonstorage.com\/it\/blog\/prestazioni-degli-ssd-sequenziali-e-casuali\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sequential Speed vs. Random Performance: What Actually Affects Daily Use? -\" \/>\n<meta property=\"og:description\" content=\"Sequential SSD speed numbers don\u2019t tell the whole story. Learn how random performance, latency, and workload type actually affect daily system responsiveness \u2014 and how to choose the right SSD for your use case.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/oretonstorage.com\/it\/blog\/prestazioni-degli-ssd-sequenziali-e-casuali\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-18T08:38:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/oretonstorage.com\/wp-content\/uploads\/2025\/12\/\u5fae\u4fe1\u56fe\u7247_2025-12-11_165024_140-773x1030.png\" \/>\n\t<meta property=\"og:image:width\" content=\"773\" \/>\n\t<meta property=\"og:image:height\" content=\"1030\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Echo\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Scritto da\" \/>\n\t<meta name=\"twitter:data1\" content=\"Echo\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo di lettura stimato\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minuti\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/oretonstorage.com\\\/blog\\\/sequential-vs-random-ssd-performance#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/oretonstorage.com\\\/blog\\\/sequential-vs-random-ssd-performance\"},\"author\":{\"name\":\"Echo\",\"@id\":\"https:\\\/\\\/oretonstorage.com\\\/#\\\/schema\\\/person\\\/691da96ccdd2a899702e96be4c0b892e\"},\"headline\":\"Sequential Speed vs. Random Performance: What Actually Affects Daily Use?\",\"datePublished\":\"2025-12-18T08:38:47+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/oretonstorage.com\\\/blog\\\/sequential-vs-random-ssd-performance\"},\"wordCount\":598,\"image\":{\"@id\":\"https:\\\/\\\/oretonstorage.com\\\/blog\\\/sequential-vs-random-ssd-performance#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/oretonstorage.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/\u5fae\u4fe1\u56fe\u7247_2025-12-11_165024_140-scaled.png\",\"articleSection\":[\"Blog\"],\"inLanguage\":\"it-IT\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/oretonstorage.com\\\/blog\\\/sequential-vs-random-ssd-performance\",\"url\":\"https:\\\/\\\/oretonstorage.com\\\/blog\\\/sequential-vs-random-ssd-performance\",\"name\":\"Sequential Speed vs. Random Performance: What Actually Affects Daily Use? -\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/oretonstorage.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/oretonstorage.com\\\/blog\\\/sequential-vs-random-ssd-performance#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/oretonstorage.com\\\/blog\\\/sequential-vs-random-ssd-performance#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/oretonstorage.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/\u5fae\u4fe1\u56fe\u7247_2025-12-11_165024_140-scaled.png\",\"datePublished\":\"2025-12-18T08:38:47+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/oretonstorage.com\\\/#\\\/schema\\\/person\\\/691da96ccdd2a899702e96be4c0b892e\"},\"description\":\"Sequential SSD speed numbers don\u2019t tell the whole story. Learn how random performance, latency, and workload type actually affect daily system responsiveness \u2014 and how to choose the right SSD for your use case.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/oretonstorage.com\\\/blog\\\/sequential-vs-random-ssd-performance#breadcrumb\"},\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/oretonstorage.com\\\/blog\\\/sequential-vs-random-ssd-performance\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"it-IT\",\"@id\":\"https:\\\/\\\/oretonstorage.com\\\/blog\\\/sequential-vs-random-ssd-performance#primaryimage\",\"url\":\"https:\\\/\\\/oretonstorage.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/\u5fae\u4fe1\u56fe\u7247_2025-12-11_165024_140-scaled.png\",\"contentUrl\":\"https:\\\/\\\/oretonstorage.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/\u5fae\u4fe1\u56fe\u7247_2025-12-11_165024_140-scaled.png\",\"width\":1920,\"height\":2560},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/oretonstorage.com\\\/blog\\\/sequential-vs-random-ssd-performance#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/oretonstorage.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Blog\",\"item\":\"https:\\\/\\\/oretonstorage.com\\\/blog\\\/category\\\/blog\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Sequential Speed vs. Random Performance: What Actually Affects Daily Use?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/oretonstorage.com\\\/#website\",\"url\":\"https:\\\/\\\/oretonstorage.com\\\/\",\"name\":\"\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/oretonstorage.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"it-IT\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/oretonstorage.com\\\/#\\\/schema\\\/person\\\/691da96ccdd2a899702e96be4c0b892e\",\"name\":\"Echo\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"it-IT\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/c9970439d619162f7823db50b8a803904cf5d449a40abe89abee48df8ed6fdad?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/c9970439d619162f7823db50b8a803904cf5d449a40abe89abee48df8ed6fdad?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/c9970439d619162f7823db50b8a803904cf5d449a40abe89abee48df8ed6fdad?s=96&d=mm&r=g\",\"caption\":\"Echo\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Velocit\u00e0 sequenziale e prestazioni casuali: Cosa influisce effettivamente sull'uso quotidiano? -","description":"I numeri della velocit\u00e0 delle unit\u00e0 SSD sequenziali non raccontano l'intera storia. Scoprite come le prestazioni casuali, la latenza e il tipo di carico di lavoro influiscono sulla reattivit\u00e0 quotidiana del sistema e come scegliere l'unit\u00e0 SSD giusta per il vostro caso d'uso.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/oretonstorage.com\/it\/blog\/prestazioni-degli-ssd-sequenziali-e-casuali","og_locale":"it_IT","og_type":"article","og_title":"Sequential Speed vs. Random Performance: What Actually Affects Daily Use? -","og_description":"Sequential SSD speed numbers don\u2019t tell the whole story. Learn how random performance, latency, and workload type actually affect daily system responsiveness \u2014 and how to choose the right SSD for your use case.","og_url":"https:\/\/oretonstorage.com\/it\/blog\/prestazioni-degli-ssd-sequenziali-e-casuali","article_published_time":"2025-12-18T08:38:47+00:00","og_image":[{"width":773,"height":1030,"url":"https:\/\/oretonstorage.com\/wp-content\/uploads\/2025\/12\/\u5fae\u4fe1\u56fe\u7247_2025-12-11_165024_140-773x1030.png","type":"image\/png"}],"author":"Echo","twitter_card":"summary_large_image","twitter_misc":{"Scritto da":"Echo","Tempo di lettura stimato":"4 minuti"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/oretonstorage.com\/blog\/sequential-vs-random-ssd-performance#article","isPartOf":{"@id":"https:\/\/oretonstorage.com\/blog\/sequential-vs-random-ssd-performance"},"author":{"name":"Echo","@id":"https:\/\/oretonstorage.com\/#\/schema\/person\/691da96ccdd2a899702e96be4c0b892e"},"headline":"Sequential Speed vs. Random Performance: What Actually Affects Daily Use?","datePublished":"2025-12-18T08:38:47+00:00","mainEntityOfPage":{"@id":"https:\/\/oretonstorage.com\/blog\/sequential-vs-random-ssd-performance"},"wordCount":598,"image":{"@id":"https:\/\/oretonstorage.com\/blog\/sequential-vs-random-ssd-performance#primaryimage"},"thumbnailUrl":"https:\/\/oretonstorage.com\/wp-content\/uploads\/2025\/12\/\u5fae\u4fe1\u56fe\u7247_2025-12-11_165024_140-scaled.png","articleSection":["Blog"],"inLanguage":"it-IT"},{"@type":"WebPage","@id":"https:\/\/oretonstorage.com\/blog\/sequential-vs-random-ssd-performance","url":"https:\/\/oretonstorage.com\/blog\/sequential-vs-random-ssd-performance","name":"Velocit\u00e0 sequenziale e prestazioni casuali: Cosa influisce effettivamente sull'uso quotidiano? -","isPartOf":{"@id":"https:\/\/oretonstorage.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/oretonstorage.com\/blog\/sequential-vs-random-ssd-performance#primaryimage"},"image":{"@id":"https:\/\/oretonstorage.com\/blog\/sequential-vs-random-ssd-performance#primaryimage"},"thumbnailUrl":"https:\/\/oretonstorage.com\/wp-content\/uploads\/2025\/12\/\u5fae\u4fe1\u56fe\u7247_2025-12-11_165024_140-scaled.png","datePublished":"2025-12-18T08:38:47+00:00","author":{"@id":"https:\/\/oretonstorage.com\/#\/schema\/person\/691da96ccdd2a899702e96be4c0b892e"},"description":"I numeri della velocit\u00e0 delle unit\u00e0 SSD sequenziali non raccontano l'intera storia. Scoprite come le prestazioni casuali, la latenza e il tipo di carico di lavoro influiscono sulla reattivit\u00e0 quotidiana del sistema e come scegliere l'unit\u00e0 SSD giusta per il vostro caso d'uso.","breadcrumb":{"@id":"https:\/\/oretonstorage.com\/blog\/sequential-vs-random-ssd-performance#breadcrumb"},"inLanguage":"it-IT","potentialAction":[{"@type":"ReadAction","target":["https:\/\/oretonstorage.com\/blog\/sequential-vs-random-ssd-performance"]}]},{"@type":"ImageObject","inLanguage":"it-IT","@id":"https:\/\/oretonstorage.com\/blog\/sequential-vs-random-ssd-performance#primaryimage","url":"https:\/\/oretonstorage.com\/wp-content\/uploads\/2025\/12\/\u5fae\u4fe1\u56fe\u7247_2025-12-11_165024_140-scaled.png","contentUrl":"https:\/\/oretonstorage.com\/wp-content\/uploads\/2025\/12\/\u5fae\u4fe1\u56fe\u7247_2025-12-11_165024_140-scaled.png","width":1920,"height":2560},{"@type":"BreadcrumbList","@id":"https:\/\/oretonstorage.com\/blog\/sequential-vs-random-ssd-performance#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/oretonstorage.com\/"},{"@type":"ListItem","position":2,"name":"Blog","item":"https:\/\/oretonstorage.com\/blog\/category\/blog"},{"@type":"ListItem","position":3,"name":"Sequential Speed vs. Random Performance: What Actually Affects Daily Use?"}]},{"@type":"WebSite","@id":"https:\/\/oretonstorage.com\/#website","url":"https:\/\/oretonstorage.com\/","name":"","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/oretonstorage.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"it-IT"},{"@type":"Person","@id":"https:\/\/oretonstorage.com\/#\/schema\/person\/691da96ccdd2a899702e96be4c0b892e","name":"Eco","image":{"@type":"ImageObject","inLanguage":"it-IT","@id":"https:\/\/secure.gravatar.com\/avatar\/c9970439d619162f7823db50b8a803904cf5d449a40abe89abee48df8ed6fdad?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/c9970439d619162f7823db50b8a803904cf5d449a40abe89abee48df8ed6fdad?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/c9970439d619162f7823db50b8a803904cf5d449a40abe89abee48df8ed6fdad?s=96&d=mm&r=g","caption":"Echo"}}]}},"_links":{"self":[{"href":"https:\/\/oretonstorage.com\/it\/wp-json\/wp\/v2\/posts\/3514","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oretonstorage.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/oretonstorage.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/oretonstorage.com\/it\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/oretonstorage.com\/it\/wp-json\/wp\/v2\/comments?post=3514"}],"version-history":[{"count":2,"href":"https:\/\/oretonstorage.com\/it\/wp-json\/wp\/v2\/posts\/3514\/revisions"}],"predecessor-version":[{"id":3518,"href":"https:\/\/oretonstorage.com\/it\/wp-json\/wp\/v2\/posts\/3514\/revisions\/3518"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oretonstorage.com\/it\/wp-json\/wp\/v2\/media\/3516"}],"wp:attachment":[{"href":"https:\/\/oretonstorage.com\/it\/wp-json\/wp\/v2\/media?parent=3514"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/oretonstorage.com\/it\/wp-json\/wp\/v2\/categories?post=3514"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/oretonstorage.com\/it\/wp-json\/wp\/v2\/tags?post=3514"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}