Performance Specifications Transfer Rates Buffer To Host (Serial ATA) 3 Gb/s (Max) Transfer Rate (Buffer To Disk) 120 MB/s (Sustained) Physical Specifications Formatted Capacity 300,069 MB Capacity 300 GB Interface SATA 3 Gb/s User Sectors Per Drive 586,072,368 Physical Dimensions English Height 1.028 Inches (Max) Length 5.787 Inches (Max) Width 4.00 Inches (+/- 0.010 inch) Weight 1.08 Pounds Metric Height 26.1 mm (Max) Length 147 mm (Max) Width 101.6 mm Weight 0.489 kg Environmental Specifications Shock Operating Shock (Read) 65G, 2 ms Non-operating Shock 300G, 2 ms Acoustics Idle Mode 29 dBA (average) Seek Mode 0 36 dBA (average) Temperature (English) Operating 32° F to 140° F Non-operating -40° F to 158° F Temperature (Metric) Operating -0° C to 60° C Non-operating -40° C to 70° 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, 0.75G (0 to peak) Random 10-300 Hz, 0.008 g² / Hz Non-operating Low Frequency 0.05 g²/Hz (10 to 300 Hz) High Frequency 20-500 Hz, 4.0G (0 to peak) Electrical Specifications Current Requirements 12 VDC Read/Write 225 mA Idle 200 mA Standby 6 mA Sleep 6 mA 5 VDC Read/Write 675 mA Idle 425 mA Standby 70 mA Sleep 70 mA Power Dissipation Read/Write 6.08 Watts Idle 4.53 Watts Standby 0.42 Watts Sleep 0.42 Watts