Benchmarks: Atto Disk Benchmark

Whereas CrystalDiskMark and AS SSD Benchmark are based on incompressible data, Atto Disk Benchmark uses highly compressible data. The asynchronous NAND flash memory in the Pyro is very inefficient when working with incompressible data, but that doesn't affect its performance here. A single drive is on par with the HyperX and Vertex 3 while the RAID0 drives skyrocket to 700MB/s in the 128k test.

The write results are even more incredible. Adding a second Pyro boosted 128k results from 500MB/s to 878MB/s.

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