Samsung HM321HI, 5400RPM, 3.0Gp/s, 320GB SATA 2.5 HDD

Hard Disk Model SAMSUNG HM321HI Disk Family SpinPoint M7E Form Factor 2.5" Capacity 320 GB (320 x 1 000 000 000 bytes) Number Of Disks 1 Number Of Heads 2 Rotational Speed 5400 RPM Rotation Time 11.11 ms Average Rotational Latency 5.56 ms Disk Interface Serial-ATA/300 Buffer-Host Max. Rate 300 MB/seconds Buffer Size 8192 KB Drive Ready Time (typical) 4 seconds Average Seek Time 12 ms Width 69.85 mm (2.75 inch) Depth 100 mm (3.94 inch) Height 9.5 mm (0.37 inch) Weight 105 grams (0.23 pounds) Acoustic (Idle) 2.4 Bel Acoustic (Min performance and volume) 2.6 Bel Acoustic (Max performance and volume) 2.6 Bel Required Power For Spinup 1000 mA Power Required (Seek) 2.4 W Power Required (Idle) 0.85 W Power Required (Standby) 0.25 W Manufacturer Samsung