Western Digital Blue 1TB 2.5” SATA Internal HDD Key Features 1TB Internal HDD 5400 rpm Rotation Speed Compatible with Windows and Mac SATA 3 Interface 2-Year Limited Warranty Overview The WD Blue 1TB is a high-quality HDD that delivers incredible performance thanks to its easy to use 3.5-inch form factor that is just 26.1 mm in height and runs at 5400 rpm. The WD Blue HDD’s technical highlight is it is 6Gb/s interface, which is the latest SATA III standard. With 1TB extra storage for all your music, games, and videos you will never feel like you are running low. Specifications Disk Type HDD External? No Capacity 1TB Rotation Speed 5400 rpm Cache 128MB Transfer Rate up to 150MB/s Interface SATA 3 Compatibility Windows, Mac Dimensions 100 x 70 x 7 mm