The ATTO Disk Benchmark performance measurement tool is compatible with Microsoft Windows. Measure your storage systems performance with various transfer sizes and test lengths for reads and writes. Several options are available to customize your performance measurement including queue depth, overlapped I/O and even a comparison mode with the option to run continuously. Use ATTO Disk Benchmark to test any manufacturers RAID controllers, storage controllers, host adapters, hard drives and SSD drives and notice that ATTO products will consistently provide the highest level of performance to your storage.

Transfer sizes from 512KB to 8MB

Transfer lengths from 64KB to 2GB

Support for overlapped I/O

Supports a variety of queue depths

I/O comparisons with various test patterns

Timed mode allows continuous testing

Non-destructive performance measurement on formatted drives

Disk Benchmark measures raw transfer rates for both reads and writes and places the data into graphs which you can easily interpret.
                              - Nathan Kirsch @ Legit Reviews

One of the finest tools available to measure storage performance is ATTO Disk Benchmark...it is so reliable and produces such accurate results.
                              - Hibert Hagedoorn - Guru3D.com

Disk Benchmark is one of the better benchmarking tools for HD's and SSD's. ATTO gives a truer reading for SSD's than HDTune does.
                              - abxzone.com

Offers nice features to benchmark RAID setups.
                              - techpowerup.com