Western Digital Blue 250GB M.2 SATA Internal SSD Key Features 250GB M.2 Internal SSD Up to 550MB/s Read Speed Compatible with Windows and Mac SATA 3 Interface 5-Year Limited Warranty Overview The 250GB WD Blue is a high-quality SDD that delivers incredible performance thanks to its easy to install M.2 form factor that is just 1.5mm in height. The WD Blue SDD’s technical highlight is its 6Gb/s interface, which is the latest SATA III standard. This drive has a storage capacity of 250GB, a read speed of up to 550MB/s and write speeds of up to 525MB/s which delivers fast system boot times and less load time. Specifications Disk Type M.2 SSD External? No Capacity 250GB Sequential Read 550MB/s Sequential Write 525MB/s Interface SATA 3 Compatibility Windows, Mac Dimensions 80 x 22 x 2.4 mm