單碟1.75T，WD 14TB充氦硬碟今年上市 - 3C
By Zora
at 2017-01-18T09:46
at 2017-01-18T09:46
Table of Contents
WD去年底更新了機械硬碟的容量紀錄，帶來了新一代HGST Ultrastar He12系列，高達
12TB。據外媒報導
這款12T硬碟最快本月就將出貨。He12採用充氦技術，PMR垂直磁記錄，8碟，7200轉
提供SAS 12Gbps及SATA 6Gbps兩種接口規格，分別針對企業和消費級市場，讀取速度最高
243MB/s。
另外今年晚些時候會出貨14TB的He12系列機械硬碟，同樣8碟裝，單碟提高到驚人的
1.75TB
採用的是SMR技術（疊瓦式磁記錄，shingled magnetic recording），7200轉
依然有採用SATA接口的版本。WD強調，兩款產品都內建256MB快取，讀取延遲8ms，寫入延
遲8.6ms。
考慮到SMR比PMR單碟可提高25%的容量，估計明年16TB也是可以的，就看WD願不願意了
至於100TB+的HAMR，Seagate和WD還要研發一段時間……
來源：
http://www.cnbeta.com/articles/577585.htm
XF 編譯：
http://www.xfastest.com/thread-182320-1-1.html
大家目前都只買得起 3T 4T 6T
8T 10T 都還太貴 買不下去
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3C
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