Hard Disk Model HUA722010CLA331 Disk Family Ultrastar A7K2000 BDE Form Factor 3.5" Capacity 1 TB (1 x 1 000 000 000 000 bytes) Rotational Speed 7200 RPM Rotation Time 8.33 ms Average Rotational Latency 4.17 ms Disk Interface Serial-ATA/300 Buffer-Host Max. Rate 300 MB/seconds Buffer Size 32768 KB Average Seek Time 8.5 ms Width 101.6 mm (4.00 inch) Depth 147 mm (5.79 inch) Height 26.1 mm (1.03 inch) Weight 680 grams (1.50 pounds) Required Power For Spinup 3300 mA Power Required (Seek) 7 W Power Required (Idle) 5 W Power Required (Standby) 2 W