This product is either discontinued or we cannot get that from suppliers.
Western Digital SN550 WDS500G2B0C, Internal Solid State Drive (SSD), FF M.2 2280, 500GB, 3D NAND, PCI-Express 3.0 x4, Sequential Read Up to 2400 MBps, Write Up to 1750 MBps, 4KB Random Read Up to 300,000 IOPS/Write Up to 240,000 IOPS, 300TB, 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.