74GB 10K RPM Serial ATA150 Hard Drive With 8MB Cache

Feature	Specification
Performance
Rotational Speed	10 000 RPM (nominal)
Buffer Size	8 MB
Average Latency	2.99 ms (nominal)
Contact Start/Stop Cycles	20 000 minimum
Seek Times	Read Seek Time 4.5 ms Write Seek Time 5.9 ms (average) Track-To-Track Seek Time 0.6 ms (average) Full Stroke Seek 10.2 ms (average)
Transfer Rates	Buffer To Host (Serial ATA) 1.5 Gb/s (Max) Buffer To Disk 72 MB/s (Sustained)
Physical
Formatted Capacity	74 356 MB
Capacity	74 GB
Interface	SATA 150 MB/s
User Sectors Per Drive	145 226 112
Physical Dimensions	Height 1.028 inches (26.1 mm) max Length 5.787 inches (147 mm) max Width 4.00 inches (± 0.010 inch) (101.6 mm)
Weight	1.60 pounds (0.73 kg)
Environmental
Shock	Operating Shock (Read) 65G 2 ms Non-operating Shock 250G 2 ms
Acoustics	Idle Mode 32 dBA (average) Seek Mode 0 36 dBA (average)
Temperature	Operating 41? F to 131? F (5? C to 55? C) Non-operating -40? F to 149? F (-40? C to 65? C)
Humidity	Operating 5-95% RH non-condensing Non-operating 5-95% RH non-condensing
Altitude	Operating -1 000 feet to 10 000 feet (-305M to 3 050M) Non-operating -1 000 feet to 40 000 feet (-305M to 12 200M )
Vibration	Operating Linear 10-300 Hz 3.0G (0 to peak) Random 10-300 Hz 0.008 g? / Hz Non-operating Low Frequency 5-20 Hz 0.195 inches (double amplitude) High Frequency 10-300 Hz 5.0G (0 to peak)
Electrical
Requirements	12 VDC Read/Write 349 mA Idle 338 mA Standby 15.9 mA Sleep 16 mA
5 VDC	Read/Write 706 mA Idle 770 mA Standby 314 mA Sleep 184 mA
Power Dissipation	Read/Write 8.40 Watts Idle 7.90 Watts Standby 1.76 Watts Sleep 1.11 Watts