SPECIFICATIONS:

Performance Specifications Rotational Speed 7,200 RPM (nominal) Buffer Size 16 MB Average Latency 4.20 ms (nominal) Contact Start/Stop Cycles 50,000 minimum Seek Times Read Seek Time 8.9 ms Write Seek Time 10.9 ms (average) Track-To-Track Seek Time 2.0 ms (average) Full Stroke Seek 21.0 ms (average) Transfer Rates Buffer To Host (Serial ATA) 300 MB/s (Max) Buffer To Disk 748 Mbits/s (Max)   Physical Specifications Formatted Capacity 500,107 MB Capacity 500 GB Interface SATA 300 MB/s User Sectors Per Drive 976,773,168   Physical Dimensions English Height 1.028 Inches (Max) Length 5.787 Inches (Max) Width 4.00 Inches (+/- 0.010 inch) Weight 1.32 Pounds Metric Height 26.1 mm (Max) Length 147 mm (Max) Width 101.6 mm Weight 0.6 kg   Environmental Specifications Shock Operating Shock (Read) 65G, 2 ms Non-operating Shock 250G, 2 ms Acoustics Idle Mode 28 dBA (average) Seek Mode 0 33 dBA (average) Seek Mode 3 29 dBA (average) Temperature (English) Operating 41° F to 131° F Non-operating -40° F to 149° F Temperature (Metric) Operating 5° C to 55° C Non-operating -40° C to 65° C Humidity Operating 5-95% RH non-condensing Non-operating 5-95% RH non-condensing Altitude (English) Operating -1,000 feet to 10,000 feet Non-operating -1,000 feet to 40,000 feet Altitude (Metric) Operating -305M to 3,050M Non-operating -305M to 12,200M Vibration Operating Linear 20-300 Hz, .75G (0 to peak) Random 10-300 Hz, 0.004 g² / Hz Non-operating Low Frequency 5-20 Hz, 0.195 inches (double amplitude) High Frequency 20-500 Hz, 4.0G (0 to peak)   Electrical Specifications Current Requirements 12 VDC Read/Write 450 mA Idle 430 mA Standby 20 mA Sleep 20 mA 5 VDC Read/Write 800 mA Idle 730 mA Standby 270 mA Sleep 250 mA Power Dissipation Read/Write 9.50 Watts Idle 8.75 Watts Standby 1.60 Watts Sleep 1.50 Watts