OCZ RD400 – ATTO Disk Benchmark Results
ATTO Disk Benchmark is a popular disk benchmark tool used to test hard drives, SSD drives, HBAs, RAID Adapters and Storage Controllers. It measures the storage systems performance with various transfer sizes and test lengths for reads and writes. Most of the time it returns the highest possible read/write speed compared to most benchmarking tools for storage.
Note: With PCIe adapter on left, M.2 directly installed on motherboard right.
For comparison, below are the ATTO disk benchmark results of the Samsung 950 Pro M.2 NVMe SSD, Zotac Sonix 480GB PCIe NVMe SSD, Plextor M6e Black Edition PCIe SSD and Samsung 850 Pro 256GB SSD.