This product is either discontinued or we cannot get that from suppliers.
Western Digital SB550 WDS100T2B0C, Internal Solid State Drive (SSD), FF M.2 2280, 1TB, 3D NAND, PCI-Express 3.0 x4, Sequential Read Up to 2400 MBps/Write Up to 1950 MBps, 4KB Random Read Up to 410,000 IOPS/Write Up to 405,000 IOPS, MTTF 1.7M hours.
Put NVMe power at the heart of your PC for lightning-fast, ultra-responsive performance. The WD Blue SN550 NVMe SSD can deliver over 4 times the speed of our best SATA SSDs.