HDTach 3.0.4.0

HDTach v3.0.4.0 

HD Tach will test the sequential read, random access and interface burst speeds of your attached storage device (hard drive, flash drive, removable drive, etc). All drive technologies such as SCSI, IDE/ATA, 1394, USB, SATA and RAID are supported. Test results from HD Tach can be used to confirm manufacturer specs, analyze your system for proper performance, and compare your performance with others. HD Tach is very easy to use, quick, and presents data in easy to read graphs, including the ability to compare two storage devices on screen at the same time for easy analysis.

Western Digital RE4-GP 2TB Review: Big Green Gets Meaner! - Storage 25

Burst transfers are a bit faster, likely helped along by the additional processor.

Western Digital RE4-GP 2TB Review: Big Green Gets Meaner! - Storage 26

Armed with increased linear track density, average transfer speeds take yet another step increase over the GP 2TB, and are almost into nosebleed VelociRaptor territory.

Western Digital RE4-GP 2TB Review: Big Green Gets Meaner! - Storage 27

Random access times are back to a decent speed for an 8-head drive.  As a result, seeks can once again be heard as opposed to the whisper quiet GP 2TB unit.  The RE4 even squeaks past the SE16 750GB model.  This is the best seek time we have seen out of a 5400RPM drive.
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