Seagate Barracuda 3.5” 1TB Internal HDD Key Features 1TB Internal HDD 7200 rpm Rotation Speed Compatible with Mac & Windows SATA 3.0 Interface 2-Year Limited Warranty Overview The 1TB Seagate BarraCuda is a high-quality HDD that delivers incredible performance thanks to its easy to use 3.5-inch form factor that is just 20.2mm in height, the drive runs at 7200 rpm, the BarraCuda\'s technical highlight is its 6Gb/s interface, which is the latest SATA III standard. This drive has a storage capacity of 1TB with an access time of 8.5ms and a 64MB Cache. Specifications Disk Type HDD External? No Capacity 1TB Rotation Speed 7200 rpm Cache 64MB Transfer Rate up to 6Gb/s Interface SATA 3.0 Compatibility MAC, Windows Dimensions 147 x 102 x 20 mm