Seagate Constellation ES fifth-generation drives lead the industry with a range of high-capacity enterprise drive options, Available in both 6Gb/s SAS and SATA interfaces, these drives feature enterprise-class reliability with the power and performance efficiencies that make them ideal for capacity-optimised, 24x7 multi-drive server and storage environments, Buffer 64 MB, Rotational Speed 7200 rpm, Hard Drive Interface SATA/600, SATA Pin 7-pin, Drive Width 3, 5"", Height: 1"", Width: 4"", Depth: 5, 8"", SKU: ASI5567