Site with lots of info on testing hard drive speed

Though a bit old, does mention various utilities, many still around.

http://ttcshelbyville.wordpress.com/2009/12/20/test-your-hard-drive-speed-with-windows-7s-device-manager/

ATTO
http://www.attotech.com/disk-benchmark/


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Hey, that ttc Shelbyville site is pretty good, with a variety of frequent posts, even on Windows 10 previews.
http://ttcshelbyville.wordpress.com/