Hard Disk 1 Tb(capacity Of Drive (Gb) Itb, Type Of Drive Ssd (External),Media Diameter(cm) 6.35 Rotational Speed (Rpm) 0 Interface Type Sata, Synchronous Transfer Rate (Maximum) (Mb/S) 540,Rated For 24/7/365 Operation Yes,Physical Size (Height) (Mm) 101, Physical Size (Width) (Mm) 70, Operating Temperature Range (Degree C) 0 Percent B0c To 7 0 Percent B0c,Performance (Sequential Read) (Mb/S 540 Performance (Sequential Write) (Mb/P) 500, Warranty(years) 3