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.

OCZ RevoDrive x2 240GB PCIe SSD - bigger and faster! - Storage 32 

We don’t normally include CPU Utilization, mainly because there is not enough separation among the test samples.  With the testbed running at 4GHZ, not much in the way of storage solutions taxes the processor.  ioDrive and ioXtreme testing changed that, as they place a substantial load on the CPU.  Remember this is a quad core Nehalem – 8% works out to 33% of one core.

OCZ RevoDrive x2 240GB PCIe SSD - bigger and faster! - Storage 33

PCIe solutions walk all over SATA on the burst tests.  

OCZ RevoDrive x2 240GB PCIe SSD - bigger and faster! - Storage 34

Like with the RevoDrive, the x2’s controller simply did not like the way HDTach tests sequential transfer rate.
This was the only benchmark to not agree with it, and it’s not representative of the actual performance of the Revo. 

OCZ RevoDrive x2 240GB PCIe SSD - bigger and faster! - Storage 35

Without SATA latencies, all PCIe cards turned in 0.0 ms access times.
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