This product is either discontinued or we cannot get that from suppliers.
Western Digital SA500 WDS200T1R0B, Capacity 2TB, Memory 3D NAND, Interface SATA III, Sequential Read Up to 560 MBps/Write Up to 530 MBps, 4KB Read Up to 95,000 IOPS/Write Up to 85,000 IOPS, MTTF Up to 2M hours.
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.