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Using Winsat to test hard drive performance

The Windows Assessment Tool (WinSAT) is included Microsoft Vista and Windows 7. This tool can perform performance tests including CPU, memory, disk and video.

winsat disk -drive c

Windows System Assessment Tool
> Running: Feature Enumeration ''
> Run Time 00:00:00.00
> Running: Storage Assessment '-drive c -seq -read'
> Run Time 00:00:05.48
> Running: Storage Assessment '-drive c -ran -read'
> Run Time 00:00:06.99
> Running: Storage Assessment '-drive c -scen 2009'
> Run Time 00:01:13.62
> Running: Storage Assessment '-drive c -seq -write'
> Run Time 00:00:36.26
> Running: Storage Assessment '-drive c -flush -seq'
> Run Time 00:00:05.94
> Running: Storage Assessment '-drive c -flush -ran'
> Run Time 00:00:12.18
> Running: Storage Assessment '-drive c -hybrid -ran -read -ransize 4096'
NV Cache not present.
> Run Time 00:00:00.02
> Running: Storage Assessment '-drive c -hybrid -ran -read -ransize 16384'
NV Cache not present.
> Run Time 00:00:00.01
> Disk  Sequential 64.0 Read                   111.23 MB/s          6.7
> Disk  Random 16.0 Read                       2.43 MB/s          4.4
> Responsiveness: Average IO Rate              3.57 ms/IO          6.0
> Responsiveness: Grouped IOs                  9.67 units          7.2
> Responsiveness: Long IOs                     8.72 units          7.5
> Responsiveness: Overall                      84.37 units          6.9
> Responsiveness: PenaltyFactor                0.0
> Disk  Sequential 64.0 Write                  116.12 MB/s          6.8
> Average Read Time with Sequential Writes     6.720 ms          5.4
> Latency: 95th Percentile                     30.732 ms          3.4
> Latency: Maximum                             56.218 ms          7.8
> Average Read Time with Random Writes         15.075 ms          3.4
> Total Run Time 00:02:22.10