Seagate BarraCuda 3.5” 500GB Internal HDD Key Features 500GB Internal HDD 7200 rpm Rotation Speed Compatible with Mac & Windows SATA 3.0 Interface 2-Year Limited Warranty Overview The 500GB 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 and 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 500GB with an access time of 9.5ms and a 32MB cache. Specifications Disk Type HDD External? No Capacity 500GB Rotation Speed 7200 rpm Cache 32MB Transfer Rate up to 6Gb/s Interface SATA 3.0 Compatibility MAC, Windows Dimensions 147 x 102 x 20 mm