Western Digital Blue SN550 250GB M.2 NVMe Internal SSD Key Features 250GB M.2 Internal SSD Up to 2400MB/s Read Speed Compatible with Windows and Mac PCIe 3.0 Interface 5-Year Limited Warranty Overview 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 even the best SATA SSDs. Whether you are working, creating, casual gaming or processing large amounts of data, take advantage of this powerful internal drive’s high speeds to do more, faster. With 250GB of storage in an affordable M.2 2280 form factor, there is no time like today to make the change to NVMe. Specifications Disk Type M.2 SSD External? No Capacity 250GB Sequential Read 2400MB/s Sequential Write 950MB/s Interface PCIe 3.0 x 4 Compatibility Windows, Mac Dimensions 80 x 22 x 2.4 mm