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ATTO Disk Benchmark and CrystalDiskMark
First we run ATTO Disk Benchmark with all transfer sizes selected and queue depth set at 4. Many SSD manufacturers, especially those who sell SandForce based SSDs, use ATTO results to determine max speeds that consumers see on final packaging and specs sheets.
CrystalDiskMark runs syntethic Seuqential, 512KB and random 4K (QD=1 and QD=32) benchmarks using both compressible and incompressible data.
