Seagate Barracuda 2.5” 1TB Internal HDD Key Features 1TB Internal HDD 5400 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 2.5-inch form factor that is just 7mm in height and runs at 5400 rpm. The BarraCuda\'s technical highlight is it’s 6Gb/s interface, which is the latest SATA III standard. This drive has a storage capacity of 1TB and a 128MB Cache. Specifications Disk Type HDD External? No Capacity 1TB Rotation Speed 5400 rpm Cache 128MB Transfer Rate up to 6Gb/s Interface SATA 3.0 Compatibility MAC, Windows Dimensions 100 x 70 x 7 mm