Performance Specifications
Rotational Speed 7,200 RPM (nominal)
Buffer Size 16 MB
Average Latency 4.20 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 Gb/s (Max)
Physical Specifications
Formatted Capacity 320,072 MB
Capacity 320 GB
Interface SATA 3 Gb/s
Physical Dimensions
English
Height 0.374 Inches
Depth 3.94 Inches
Width 2.75 Inches
Weight 0.22 Pounds
Metric
Height 9.5 mm
Depth 100 mm
Width 69.85 mm
Weight 99 g
Environmental Specifications
Shock
Operating Shock (Read) 350G, 2ms
Non-operating Shock 1000G, 2 ms
Acoustics
Idle Mode 28 dBA (average)
Seek Mode 0 25 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 8% to 95% 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 0.00459 g^(2)/Hz (10 to 500 Hz)
Non-operating 0.05102 g^(2)/Hz (10 to 500 Hz)
Electrical Specifications
Current Requirements
5 VDC
Read/Write 500 mA
Idle 400 mA
Standby 50 mA
Sleep 30 mA
Power Dissipation
Read/Write 2.50 Watts
Idle 0.85 Watts
Standby 0.25 Watts
Sleep 0.15 Watts