Western Digital 250GB WD Blue SN500 NVMe Internal SSD - Gen3 PCIe, M.2 2280, 3D NAND, Up to 1700 MB/s - WDS250G1B0CWD Blue SN500 250GB NVMe Internal SSD Gen3 PCIe, M. 2 2280, 3D NAND, Up to 1700 MB s WDS250G1B0C Sequential read speeds up to 1,700MB s and sequential write speeds up to 1,450MB s Capacity: 250GB WD Blue SN500 NVMe SSD steps up performance 3 times over high end SATA SSDs with a superior NVMe solution for high performance and mainstream PCs. The WD Blue SN500 NVMe SSD allows resellers, system builders and consumers to take advantage of a reliable NVMe