100% Genuine- Computer/Laptop Replacement or Internal Parts Serial Number: MQ02ABF050H MQ02ABF050H Capacity: 320 GB. Features: Shock sensor Bytes per sector 4096 Interface SATA 6Gb/s Buffer size 16 MB Weight 3.24 oz Interface provided Quantity. 1 ATA-600 Series Storage Interface Various Microsoft Certifications Compatible with Windows 7 Expansion and Connectivity. Interfaces 1 x SATA 6 Gb/s Compatible bays 1 x internal - 2.5" Hard Drive Form factor 2.5 in. Spindle speed 7278 rpm.Features: shock sensor Hard drive type internal hard drive Form factor (short) 2.5 in. Form Factor (Metric) 2.5 in. Form Factor (Short) (metric) 2.5 in. Storage Interface ATA-600 Series ATA-600 Series Interface Average Seek Time 12 ms Maximum Seek Time 22 ms Track-to-Track Seek Time 2 ms Data transfer rate 600 MBps Buffer size 16 MB Bytes per sector 4096 Hz. Unrecoverable errors 1 by 10^14 Charge and discharge cycles 600,000 Performance Search time 12 ms (average) / 22 ms (maximum). Drive transfer speed 600 MBps (external) Spindle speed 7278 rpm. Track-to-track search time 2 ms Environmental parameters Minimum operating temperature 41 °F Maximum operating temperature 131 °F Sound emission 24 dB. Dimensions and weight Depth 3.9 inches. Width 2.7 inches. Height: 0.3 inches. Weight 3.24 oz Bay required Internal type Form factor 2.5 inches. Form factor (metric) 2.5 in. Total quantity 1 Power consumption Mode active, idle, read, sleep, standby, write Value 0.18 W , 0.18W, 0.8W, 2.1W, 2.1W, 5.5W.