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.

Plextor PX-128M1S Solid State Drive Review - Storage 40

Bursts were OK given the drives rated read speed is only 130 MB/sec. 

Plextor PX-128M1S Solid State Drive Review - Storage 41

Transfer rates were decent, but writes were inconsistent.  More on that towards the end of this article.  Reads were slightly above rated, while writes fell just shy of 70 MB/sec.

Plextor PX-128M1S Solid State Drive Review - Storage 42

Slightly longer single-threaded latency pushed the Marvell controller into 0.2ms territory.
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