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Amazon.com: SUHSAI Portable External Hard Drive 120GB HDD Backup Storage with USB 2.0 Fast Data Transfer, Ultra Slim & Light Hard Disk 2.5” Compatible with PC, Mac, Window, Gaming, Laptop, and Desktop :
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hard drive - Why does a WD HDD have 12 mb/s random write speed, 24 times as fast as its random read speed? - Super User
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