外接硬碟比內接硬碟慢一半? - 儲存設備
By Kumar
at 2016-11-07T11:01
at 2016-11-07T11:01
Table of Contents
大家好,我遇到了一個問題想請教一下
同樣一組資料(一顆硬碟A)
備份到內接硬碟B 平均速度是150MB/s左右
備份到外接硬碟C 透過USB3.0 為什麽速度就降到剩75MB/s左右呢
但是透過測速軟體測外接硬碟又是正常的(80~180MB/s, 平均150MB/s)
是USB傳輸本身在I/O上效能比較不好的關係嗎?
還是USB線品質不良的損耗情形(查得出來嗎?)
還是win7在驅動上的問題?
感謝各位
--
同樣一組資料(一顆硬碟A)
備份到內接硬碟B 平均速度是150MB/s左右
備份到外接硬碟C 透過USB3.0 為什麽速度就降到剩75MB/s左右呢
但是透過測速軟體測外接硬碟又是正常的(80~180MB/s, 平均150MB/s)
是USB傳輸本身在I/O上效能比較不好的關係嗎?
還是USB線品質不良的損耗情形(查得出來嗎?)
還是win7在驅動上的問題?
感謝各位
--
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儲存設備
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