3.5 inch format 10 TB capacity. SATA / 600 interface. Power connector via 15 pin connector. Speed of 5,400 rpm. 256 MB cache Power consumption: Operation: 5.7 watts, Calm: 2.8 watts, Sleep: 0.5 watts. MTBF: 1,000,000 hours. Feature continuous operation 24/7, allows NAS. Dimensions (LxWxD); Width: 102 mm x Height: 26 mm x Depth / length: 147 mm.