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 7200RPM Caviar Black and RE4 Series 2TB Hard Drive Review - Storage 30

The class-leading burst transfer rates of the VelociRaptor are finally surpassed.  Slightly different cache tuning puts the RE4 bursts slightly behind that of the Caviar Black.

Western Digital 7200RPM Caviar Black and RE4 Series 2TB Hard Drive Review - Storage 31

Linear track density of the RE4-GP scaled to 7200 RPM yields superior average transfer rates.

Western Digital 7200RPM Caviar Black and RE4 Series 2TB Hard Drive Review - Storage 32

Taking rotational latency into account, both 7200 RPM units gain another 0.6 msec over the RE4-GP.  This is likely due to the dual stage actuator at work, zeroing in on a given track with greater precision and speed.

« PreviousNext »