Mfr Part Number: ST3000VX009 Capacity: 3TB Rotational Speed: N/A Cache: 256 MB Interface: SATA 6Gb/s Max Sustainable Transfer Rate OD: 180 MB/s Power Management: Startup Current, Typical (12V): 1.8 A Average Operating Power: 3.5 W Idling Average: 2.5 W Standby Mode/Sleep Mode, Typical: 0.25 W/0.25W MTBF: 1,000,000 hours Dimensions (WxDxH): 4.010 x 5.787 x 0.795 inch / 101.85 x 146.99 x 20.20 mm Weight: 1.08 lbs / 490.0 g