美光MX500 SSD的PCB改版 - 3C

By Annie
at 2021-10-18T17:00
at 2021-10-18T17:00
Table of Contents
好讀:
https://www.ptt.cc/bbs/PC_Shopping/M.1634547627.A.218.html
MX500開賣將近四年
就近年的趨勢來看,有改版也不是很意外了
最近幫朋友升級電腦又買了一顆MX500 500GB,順便檢視用料
將差異做成表格,供各位參考
這篇延續這三篇文的分析:
[閒聊] 美光MX500 SSD的PCB改版
https://www.ptt.cc/bbs/PC_Shopping/M.1573893109.A.02D.html
[情報] PSA:MX500 1000GB款式升級主控(無須恐慌)
https://www.ptt.cc/bbs/PC_Shopping/M.1594954571.A.5A9.html
Re: [情報] MX500 1TB再度下殺(MX500 1T開箱)
https://www.ptt.cc/bbs/PC_Shopping/M.1633457711.A.49B.html
PPT整理:
500GB款式
https://i.imgur.com/uy8Vgze.png
1000GB款式
https://i.imgur.com/s2hEXvs.png
===============================
這邊只是簡單用V1~V3做區分,並非正式官方代號
也有可能之間已經塞了其它版本,僅供參考
v1.0:(2019/1購入)
https://i.imgur.com/RthHIIw.jpg
https://i.imgur.com/rTtAuz0.jpg
v2.0:(2019/11購入)
https://i.imgur.com/01V6Q5L.jpg
(主控導熱墊片已先撕下)
https://i.imgur.com/o6QtlsS.jpg
v3.0:(2021/10購入)
https://i.imgur.com/jjKxj8R.jpg
(導熱墊片已先撕下)
https://i.imgur.com/YOQmHtE.jpg
(一) 這邊有更新過看法
500GB款終於也用SM2259,但CE砍半剩下CE=8而已
https://egg.5ch.net/test/read.cgi/jisaku/1557596303/
根據5ch情報指出為1000GB和4000GB都是176L TLC(B47R)
看來500GB也應該是176L TLC
使用176L TLC的韌體版本都是使用M3CR04x系列
至於快取DRAM沒有改並維持512MB
無須恐慌,而且不但沒有改QLC,反而B47R還算是升級!!
不過都改這麼大了美光真該將它改成MX500 Plus才對
和970 Evo Plus的情況一樣,改個名是會少一塊肉嗎...
(二)
有特殊需求需要小PCB,不要殼的話MX500依舊為優秀選
尤其是MX500拆殼不需擔心撕壞保固貼紙的風險
(三)
改款大致上和1000GB款差不多,也是精簡化外加使用96L TLC
能看到比較明顯的是供電的精簡,可能是整合到主控裡面
但至少售價有降(說到這個就想到WD SN550也是時常漲價...)
至於導熱墊片佈局是相同的
都是正面的主控一張,正面兩顆NAND Flash之間一張
--
姊姊 姊姊 我們好像變成簽名檔了
雷姆 雷姆 好像真的是這麼一回事呢
--
https://www.ptt.cc/bbs/PC_Shopping/M.1634547627.A.218.html
MX500開賣將近四年
就近年的趨勢來看,有改版也不是很意外了
最近幫朋友升級電腦又買了一顆MX500 500GB,順便檢視用料
將差異做成表格,供各位參考
這篇延續這三篇文的分析:
[閒聊] 美光MX500 SSD的PCB改版
https://www.ptt.cc/bbs/PC_Shopping/M.1573893109.A.02D.html
[情報] PSA:MX500 1000GB款式升級主控(無須恐慌)
https://www.ptt.cc/bbs/PC_Shopping/M.1594954571.A.5A9.html
Re: [情報] MX500 1TB再度下殺(MX500 1T開箱)
https://www.ptt.cc/bbs/PC_Shopping/M.1633457711.A.49B.html
PPT整理:
500GB款式
https://i.imgur.com/uy8Vgze.png

1000GB款式
https://i.imgur.com/s2hEXvs.png

===============================
這邊只是簡單用V1~V3做區分,並非正式官方代號
也有可能之間已經塞了其它版本,僅供參考
v1.0:(2019/1購入)
https://i.imgur.com/RthHIIw.jpg

https://i.imgur.com/rTtAuz0.jpg

v2.0:(2019/11購入)
https://i.imgur.com/01V6Q5L.jpg

https://i.imgur.com/o6QtlsS.jpg

v3.0:(2021/10購入)
https://i.imgur.com/jjKxj8R.jpg

https://i.imgur.com/YOQmHtE.jpg

(一) 這邊有更新過看法
500GB款終於也用SM2259,但CE砍半剩下CE=8而已
https://egg.5ch.net/test/read.cgi/jisaku/1557596303/
根據5ch情報指出為1000GB和4000GB都是176L TLC(B47R)
看來500GB也應該是176L TLC
使用176L TLC的韌體版本都是使用M3CR04x系列
至於快取DRAM沒有改並維持512MB
無須恐慌,而且不但沒有改QLC,反而B47R還算是升級!!
不過都改這麼大了美光真該將它改成MX500 Plus才對
和970 Evo Plus的情況一樣,改個名是會少一塊肉嗎...
(二)
有特殊需求需要小PCB,不要殼的話MX500依舊為優秀選
尤其是MX500拆殼不需擔心撕壞保固貼紙的風險
(三)
改款大致上和1000GB款差不多,也是精簡化外加使用96L TLC
能看到比較明顯的是供電的精簡,可能是整合到主控裡面
但至少售價有降(說到這個就想到WD SN550也是時常漲價...)
至於導熱墊片佈局是相同的
都是正面的主控一張,正面兩顆NAND Flash之間一張
--
姊姊 姊姊 我們好像變成簽名檔了
雷姆 雷姆 好像真的是這麼一回事呢
--
Tags:
3C
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