{"id":3439,"date":"2025-11-24T16:55:29","date_gmt":"2025-11-24T08:55:29","guid":{"rendered":"https:\/\/oretonstorage.com\/?p=3439"},"modified":"2025-11-24T16:55:29","modified_gmt":"2025-11-24T08:55:29","slug":"ssd-%ea%b0%80%ec%9a%a9-%ec%9a%a9%eb%9f%89-%ec%84%a4%eb%aa%85","status":"publish","type":"post","link":"https:\/\/oretonstorage.com\/ko\/%eb%b8%94%eb%a1%9c%ea%b7%b8\/ssd-%ea%b0%80%ec%9a%a9-%ec%9a%a9%eb%9f%89-%ec%84%a4%eb%aa%85","title":{"rendered":"\uc2a4\ud1a0\ub9ac\uc9c0\uc758 \uc2e4\uc81c \ud55c\uacc4: \"1TB\" SSD\uc758 \uac00\uc6a9 \uc6a9\ub7c9\uc774 \uc801\uc740 \uc774\uc720"},"content":{"rendered":"

\ucd5c\uc2e0 \uc194\ub9ac\ub4dc \uc2a4\ud14c\uc774\ud2b8 \uc2a4\ud1a0\ub9ac\uc9c0 \uc544\ud0a4\ud14d\ucc98\uc5d0\uc11c \ub2e4\uc74c\uacfc \uac19\uc740 \uc9c8\ubb38\uc774 \uc788\uc2b5\ub2c8\ub2e4. \u201c1TB SSD\uc758 \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uacf5\uac04\uc774 930GB \uc815\ub3c4\ubc16\uc5d0 \uc548 \ub418\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00\uc694?\u201d<\/em> \ub294 \uacc4\uc18d\ud574\uc11c \ub2e4\uc2dc \ub4f1\uc7a5\ud569\ub2c8\ub2e4.
NAND \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1, \ucee8\ud2b8\ub864\ub7ec \ud38c\uc6e8\uc5b4 \ub610\ub294 \uc2dc\uc2a4\ud15c \ud1b5\ud569\uc744 \ub2e4\ub8e8\ub294 \uc804\ubb38\uac00\uc5d0\uac8c \uc774\ub7ec\ud55c \ubd88\uc77c\uce58\ub294 \uacb0\ud568\uc774\ub098 \ud2b8\ub9ad\uc774 \uc544\ub2c8\ub77c \ud655\ub9bd\ub41c \ud45c\uc900, \ud50c\ub798\uc2dc \uba54\ubaa8\ub9ac\uc758 \ubb3c\ub9ac\uc801 \ud2b9\uc131 \ubc0f \ucd5c\uc2e0 SSD\ub97c \ube60\ub974\uace0 \uc548\uc815\uc801\uc73c\ub85c \uc720\uc9c0\ud558\ub294 \uc2a4\ud1a0\ub9ac\uc9c0 \uad00\ub9ac \ub85c\uc9c1\uc758 \uacb0\uacfc\uc785\ub2c8\ub2e4.<\/p>\n

\uc774\ub7ec\ud55c \ucc28\uc774\ub97c \uc774\ud574\ud558\ub824\uba74 \uc18c\ube44\uc790 \uce21\uba74\uc774 \uc544\ub2cc \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uad00\uc810\uc5d0\uc11c \uc2a4\ud1a0\ub9ac\uc9c0 \uc6a9\ub7c9\uc744 \uc0b4\ud3b4\ubcfc \ud544\uc694\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\n

1. \uc6a9\ub7c9\uc740 \ud558\ub098\uc758 \uc815\uc758\uac00 \uc544\ub2d9\ub2c8\ub2e4: \u201c1TB\u201d\uc758 \uc758\ubbf8\ub97c \ud615\uc131\ud558\ub294 \ud45c\uc900<\/strong><\/h2>\n

SSD \ud328\ud0a4\uc9d5\uc5d0\uc11c \u201c1TB'\ub294 SI \uc2ed\uc9c4\uc218 \ud45c\uc900\uc744 \ub530\ub985\ub2c8\ub2e4.
\uadf8\ub7ec\ub098 \ub4dc\ub77c\uc774\ube0c\uac00 \ub9c8\uc6b4\ud2b8\ub418\uba74 \uc6b4\uc601 \uccb4\uc81c\ub294 \uc774\uc9c4 \ub2e8\uc704\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub3d9\uc77c\ud55c \uc22b\uc790\ub97c \ud574\uc11d\ud569\ub2c8\ub2e4.<\/p>\n

\ub450 \uac00\uc9c0 \ub2e4\ub978 \uce21\uc815 \uc2dc\uc2a4\ud15c\uc774 \ucc28\uc774\ub97c \uc8fc\ub3c4\ud569\ub2c8\ub2e4:<\/strong><\/h3>\n
\n
\n\n\n\n\n\n\n
\uc2dc\uc2a4\ud15c<\/th>\n\uc815\uc758<\/th>\n\uaddc\ubaa8<\/th>\n<\/tr>\n<\/thead>\n
\uc2ed\uc9c4\uc218(SI)<\/strong><\/td>\n1TB = 10\u00b9\u00b2\ubc14\uc774\ud2b8<\/td>\n\ubaa8\ub4e0 \uc2a4\ud1a0\ub9ac\uc9c0 \uc81c\uc870\uc5c5\uccb4\uc5d0\uc11c \uc0ac\uc6a9<\/td>\n<\/tr>\n
\ubc14\uc774\ub108\ub9ac(IEC)<\/strong><\/td>\n1TiB = 2\u2074\u2070 \ubc14\uc774\ud2b8<\/td>\n\uc6b4\uc601 \uccb4\uc81c\uc5d0\uc11c \uc0ac\uc6a9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

OS\uc5d0\uc11c \u201c1TB\u201d\uc758 \uc2ed\uc9c4\uc218 \uc6a9\ub7c9\uc744 2\uc9c4\uc218\ub85c \ub2e4\uc2dc \uacc4\uc0b0\ud558\uba74 \uacb0\uacfc\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n

\u27a1 ~0.93TiB(\uc57d 930GB \uc0ac\uc6a9 \uac00\ub2a5)<\/strong><\/p>\n

\uc774\ub294 \uc190\uc2e4\uc774 \uc544\ub2c8\ub77c \uc18c\ube44\uc790 \uc2a4\ud1a0\ub9ac\uc9c0\uc758 \ucd08\uae30\ubd80\ud130 \uacf5\uc874\ud574 \uc628 \ub450 \uac00\uc9c0 \uc6a9\ub7c9 \ud45c\uc900\uc758 \uc9c1\uc811\uc801\uc778 \uacb0\uacfc\uc785\ub2c8\ub2e4.<\/p>\n

\n

2. \ubcf4\uc774\uc9c0 \uc54a\ub294 \uacf5\uac04\uc774 \ud544\uc694\ud55c \ub0b8\ub4dc \ud50c\ub798\uc2dc \uc544\ud0a4\ud14d\ucc98<\/strong><\/h2>\n

\ud50c\ub798\uc2dc \uba54\ubaa8\ub9ac\ub294 \ud3c9\uba74\uc801\uc774\uace0 \uc120\ud615\uc801\uc778 \ub9e4\uccb4\uac00 \uc544\ub2d9\ub2c8\ub2e4. \ubaa8\ub4e0 SSD\ub294 \ucee8\ud2b8\ub864\ub7ec, \ud38c\uc6e8\uc5b4, \ud50c\ub798\uc2dc \ubcc0\ud658 \uacc4\uce35(FTL)\uc5d0 \uc758\uc874\ud558\uc5ec \uc81c\ub300\ub85c \uc791\ub3d9\ud569\ub2c8\ub2e4.
NAND\uc758 \ub3d9\uc791\uc744 \uad00\ub9ac\ud558\uae30 \uc704\ud574 SSD\ub294 \uc0ac\uc6a9\uc790 \uc561\uc138\uc2a4\ub85c\ubd80\ud130 \uc6a9\ub7c9\uc758 \uc77c\ubd80\ub97c \ubcf4\ub958\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\uba87 \uac00\uc9c0 \uc911\uc694\ud55c \uba54\ucee4\ub2c8\uc998\uc5d0\ub294 \uc228\uaca8\uc9c4 \uacf5\uac04\uc774 \ud544\uc694\ud569\ub2c8\ub2e4:<\/strong><\/h3>\n

- \ubd88\ub7c9 \ube14\ub85d \uad00\ub9ac<\/strong><\/h4>\n

\ubaa8\ub4e0 NAND\uc5d0\ub294 \uacf5\uc7a5 \ucd9c\ud558 \uc2dc \ubd88\ub7c9 \ube14\ub85d\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc73c\uba70, \uc2dc\uac04\uc774 \uc9c0\ub0a8\uc5d0 \ub530\ub77c \ucd94\uac00 \ubd88\ub7c9 \ube14\ub85d\uc774 \ub098\ud0c0\ub0a9\ub2c8\ub2e4.
\uc608\uc57d\ub41c \ube14\ub85d\uc740 \uacb0\ud568\uc774 \uc788\ub294 \uc601\uc5ed\uc5d0 \uc0ac\uc6a9\uc790 \ub370\uc774\ud130\uac00 \uc800\uc7a5\ub418\uc9c0 \uc54a\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n

- \ub9c8\ubaa8 \ub808\ubca8\ub9c1<\/strong><\/h4>\n

NAND \uc140\uc740 \uc81c\ud55c\ub41c \uc218\uc758 \ud504\ub85c\uadf8\ub7a8\/\uc9c0\uc6b0\uae30 \uc8fc\uae30\ub9cc \uacac\ub51c \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\ud38c\uc6e8\uc5b4\ub294 \ub370\uc774\ud130\ub97c \ud68c\uc804\ud558\uace0 \uc870\uae30 \ub9c8\ubaa8\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uc5ec\uc720 \ube14\ub85d\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n

- \uac00\ube44\uc9c0 \uceec\ub809\uc158(GC)<\/strong><\/h4>\n

\ud50c\ub798\uc2dc \uba54\ubaa8\ub9ac\ub294 \uc4f0\uae30 \uc804\uc5d0 \ubc18\ub4dc\uc2dc \uc9c0\uc6cc\uc57c \ud558\uba70, \uc9c0\uc6b0\ub294 \uc791\uc5c5\uc740 \ube14\ub85d \ub2e8\uc704\ub85c \uc774\ub8e8\uc5b4\uc9d1\ub2c8\ub2e4.
\uc5ec\ubd84\uc758 \ubc84\ud37c \uacf5\uac04\uc744 \ud655\ubcf4\ud558\uba74 \ud2b9\ud788 \ubd80\ud558\uac00 \uac78\ub9b0 \uc0c1\ud669\uc5d0\uc11c GC\uac00 \ud6a8\uc728\uc801\uc73c\ub85c \uc791\ub3d9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

- \uc4f0\uae30 \uc99d\ud3ed \uc81c\uc5b4<\/strong><\/h4>\n

\uc624\ubc84\ud504\ub85c\ube44\uc800\ub2dd\ub41c \uacf5\uac04\uc774 \ub9ce\uc544\uc9c0\uba74 \uc4f0\uae30 \uc99d\ud3ed\uc774 \uc9c1\uc811\uc801\uc73c\ub85c \uac10\uc18c\ud558\uc5ec \uc9c0\uc18d\uc801\uc778 \uc131\ub2a5\uacfc \uc218\uba85\uc774 \ubaa8\ub450 \uc99d\uac00\ud569\ub2c8\ub2e4.<\/p>\n

\uc18c\ube44\uc790\uc6a9 SSD\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 7% ~ 28%<\/strong> \uc6a9\ub7c9\uc744 \ucd08\uacfc\ud569\ub2c8\ub2e4.
\uae30\uc5c5\uc6a9 SSD\ub294 \ud6e8\uc52c \ub354 \ub9ce\uc740 \uc800\uc7a5 \uacf5\uac04\uc744 \ud655\ubcf4\ud569\ub2c8\ub2e4.<\/p>\n

\uc774 \ub0b4\ubd80 \ubc84\ud37c\ub294 \uc0ac\uc6a9\uc790\uc5d0\uac8c\ub294 \ubcf4\uc774\uc9c0 \uc54a\uc9c0\ub9cc \uc131\ub2a5\uacfc \uc548\uc815\uc131\uc744 \uc704\ud574 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n

\n

3. \ud30c\uc77c \uc2dc\uc2a4\ud15c\ub3c4 \uacf5\uac04\uc744 \ucc28\uc9c0\ud569\ub2c8\ub2e4 - \uc885\uc885 \uc608\uc0c1\ubcf4\ub2e4 \ub354 \ub9ce\uc774 \ucc28\uc9c0\ud569\ub2c8\ub2e4.<\/strong><\/h2>\n

\u201c930GB'\uac00 \ud45c\uc2dc\ub418\ub354\ub77c\ub3c4 \uc774 \uc22b\uc790\ub294 \uc644\uc804\ud788 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \uc6a9\ub7c9\uc774 \uc544\ub2d9\ub2c8\ub2e4.
\ubaa8\ub4e0 \ud30c\uc77c \uc2dc\uc2a4\ud15c\uc5d0\ub294 \uba54\ud0c0\ub370\uc774\ud130 \uad6c\uc870, \ub85c\uadf8, \uc778\ub371\uc2a4 \ubc0f \ud560\ub2f9 \ud14c\uc774\ube14\uc774 \uc720\uc9c0\ub429\ub2c8\ub2e4.<\/p>\n

\uc608\uc2dc:<\/p>\n

    \n
  • \n

    NTFS:<\/strong> MFT, \uc800\ub110\ub9c1, USN \ubcc0\uacbd \ub85c\uadf8<\/p>\n<\/li>\n

  • \n

    ext4:<\/strong> \uc288\ud37c\ube14\ub85d, \uc774\ub178\ub4dc \ud14c\uc774\ube14, \uc800\ub110<\/p>\n<\/li>\n

  • \n

    APFS:<\/strong> \uba40\ud2f0 \ucee8\ud14c\uc774\ub108 \uc544\ud0a4\ud14d\ucc98, \uc2a4\ub0c5\uc0f7<\/p>\n<\/li>\n<\/ul>\n

    \ud50c\ub7ab\ud3fc\uc5d0 \ub530\ub77c \uc774\ub7ec\ud55c \uad6c\uc870\ub294 \ub2e4\uc74c\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc218\ubc31 MB \ub610\ub294 \uc218 GB<\/strong>.<\/p>\n

    \ub530\ub77c\uc11c \ucd5c\uc885 \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uc6a9\ub7c9\uc740 \ud56d\uc0c1 \uc6d0\uc2dc \ud30c\ud2f0\uc158\ubcf4\ub2e4 \uc791\uc544\uc9d1\ub2c8\ub2e4.<\/p>\n

    \n

    4. \uc6a9\ub7c9 \uaca9\ucc28\ub294 \uc190\uc2e4\uc774 \uc544\ub2cc \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc120\ud0dd\uc744 \ubc18\uc601\ud569\ub2c8\ub2e4.<\/strong><\/h2>\n

    \uacb0\ud569\ud560 \ub54c<\/p>\n

      \n
    • \n

      \uc2ed\uc9c4\uc218 \ub300 \uc774\uc9c4\uc218 \uce21\uc815<\/p>\n<\/li>\n

    • \n

      \uc624\ubc84\ud504\ub85c\ube44\uc800\ub2dd<\/p>\n<\/li>\n

    • \n

      \ud30c\uc77c \uc2dc\uc2a4\ud15c \uc624\ubc84\ud5e4\ub4dc<\/p>\n<\/li>\n<\/ul>\n

      ... \u201c1TB\uc5d0\uc11c 930GB\u201d\uc758 \uacb0\uacfc\ub294 \ud45c\uc900 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uae30\ub300\uce58\uc5d0 \uc644\ubcbd\ud558\uac8c \ubd80\ud569\ud569\ub2c8\ub2e4.<\/p>\n

      \ub354 \uc911\uc694\ud55c \uac83\uc740 \uc774 \uc608\uc57d\ub41c \uacf5\uac04\uc774 \uc9c1\uc811\uc801\uc73c\ub85c \uae30\uc5ec\ud55c\ub2e4\ub294 \uc810\uc785\ub2c8\ub2e4:<\/p>\n

        \n
      • \n

        \uc9c0\uc18d\uc801\uc778 \uc4f0\uae30 \uc18d\ub3c4<\/p>\n<\/li>\n

      • \n

        \uacfc\ubd80\ud558 \uc0c1\ud0dc\uc5d0\uc11c\ub3c4 \uc77c\uad00\ub41c \uc131\ub2a5<\/p>\n<\/li>\n

      • \n

        \uc4f0\uae30 \uc99d\ud3ed \uac10\uc18c<\/p>\n<\/li>\n

      • \n

        \ub0b8\ub4dc \uc218\uba85 \uc5f0\uc7a5<\/p>\n<\/li>\n

      • \n

        \ub354 \ub098\uc740 \uc5f4 \ub3d9\uc791<\/p>\n<\/li>\n

      • \n

        \ub2e8\ud3b8\ud654 \uac10\uc18c<\/p>\n<\/li>\n

      • \n

        \ub354 \ub192\uc740 \ub370\uc774\ud130 \ubb34\uacb0\uc131<\/p>\n<\/li>\n<\/ul>\n

        \ub2e4\uc2dc \ub9d0\ud574<\/p>\n

        \ucd5c\uc2e0 SSD\ub294 \uc131\ub2a5\uacfc \uc218\uba85\uc744 \ubcf4\ud638\ud558\uae30 \uc704\ud574 \uc6a9\ub7c9\uc758 \uc77c\ubd80\ub97c \ud3ec\uae30\ud569\ub2c8\ub2e4.<\/strong>
        \uc774\ub7ec\ud55c \ucc28\uc774\ub294 \ub2e8\uc810\uc774 \uc544\ub2c8\ub77c \ub2e4\uc591\ud55c \uc6cc\ud06c\ub85c\ub4dc\uc5d0\uc11c \ub4dc\ub77c\uc774\ube0c\uac00 \uc608\uce21 \uac00\ub2a5\ud558\uace0 \uc548\uc815\uc801\uc73c\ub85c \uc791\ub3d9\ud558\ub3c4\ub85d \ub3d5\uae30 \uc704\ud55c \uc124\uacc4 \uc120\ud0dd\uc785\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"

        In modern solid-state storage architecture, the question \u201cWhy does a 1TB SSD show only around 930GB of usable space?\u201d resurfaces again and again.For professionals working with NAND engineering, controller firmware, or system integration, this discrepancy is neither a flaw nor a trick \u2014 it\u2019s the result of established standards, physical characteristics of flash memory, and…<\/p>","protected":false},"author":3,"featured_media":3437,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3439","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nThe Real Limits of Storage: Why a \u201c1TB\u201d SSD Shows Less Usable Capacity -<\/title>\n<meta name=\"description\" content=\"Understand why a \u201c1TB\u201d SSD typically shows around 930GB of usable space. 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