Western Digital SN750 WDS100T1B0E, Black, Capacity 1 TB, Connector M.2, Sequential Read 3600MB/s, Write 2830MB/s, System RequirementsComputer with M.2 (M-key) port, capable of taking M.2 2280 form factor Windows 10, Windows 8.1. The WD Red SA500 NAS SATA SSD is an ideal choice for NAS arrays that operate in an always-on, 24/7 environment. Specifically designed and tested for the harsh conditions of a NAS array.