Performance Specifications
Rotational Speed 5,400 RPM (nominal)
Buffer Size 8 MB
Average Latency 5.50 ms (nominal)
Seek Times
Read Seek Time 12.0 ms
Track-To-Track Seek Time 2.0 ms (average)
Transfer Rates
Buffer To Host (Serial ATA) 3.0 Gb/s (Max)
Transfer Rate (Buffer To Disk) 600 Mbits/s (Max)
Physical Specifications
Formatted Capacity 320,072MB
Capacity 320 GB
Interface SATA 3.0 Gb/s
Physical Dimensions
English
Height 0.374 Inches ±0.008 inch
Length 3.94 Inches ±0.010 inch
Width 2.75 ±0.010 inch
Weight 0.22 Pounds
Metric
Height 9.5 mm ±0.20 mm
Length 100.2 ±0.25 mm
Width 69.85 ±0.25 mm
Weight 0.117 kg
Environmental Specifications
Acoustics
Idle Mode 24 dBA (average)
Seek Mode 0 26 dBA (average)
Temperature (English)
Operating 32° F to 140° F
Non-operating -40° F to 149° F
Temperature (Metric)
Operating 0° C to 60° C
Non-operating -40° C to 65° C
Humidity
Operating 8-90% 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 10-500 Hz, 1.0G (0 to peak)
Random 10-500 Hz (0.309 g² / Hz)
Electrical Specifications
Current Requirements
5 VDC
Read/Write 500 mA
Idle 400 mA
Standby 50 mA
Sleep 20 mA
Power Dissipation
Read/Write 2.50 Watts
Idle 0.85 Watts
Standby 0.25 Watts
Sleep 0.10 Watts