OCZ RevoDrive 3 x2 480GB PCIe SSD Review - Seriously Fast Storage
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.
We've learned burst tests are not conclusive with HDTach, and are only included for your information.
HDTach is dated in it's sequential transfer speed tests. While it does perform a sequential read and write, those happen in the form of very small single-threaded IO's. Fusion's driver handles these much more gracefully than SandForce controller devices, and this carries over to the RevoDrive 3, since that's what its VCA controller talks to.
All PCIe SSD's have no issue yielding 0.0 ms access times.
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