Western Digital 320GB 16MB 7200rpm SATA2 (WD3200AAKS)

HDD 320GB SATAII Caviar Blue 7200rpm 16MB cache (Factory Recertified, 3 months warranty)

Performance Specifications  
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
User Sectors Per Drive         625,142, 448

Physical Dimensions  
English
Height                 1.028 Inches (Max)
Length                 5.787 Inches (Max)
Width                 4.00 Inches (+/- 0.010 inch)
Weight                 1.33 Pounds
Metric
Height                 25.4 mm (Max)
Length                 147 mm (Max)
Width                 101.6 mm
Weight                 0.60 kg

Environmental Specifications  
Shock
Operating Shock (Read)         65G, 2 ms
Non-operating Shock         350G, 2 ms
Acoustics
Idle Mode             25 dBA (average)
Seek Mode 0             29 dBA (average)
Seek Mode 3             26 dBA (average)
emperature (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             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, 0.75 G (0 to peak)
Random                 7-500 Hz (0.00221 g2 / Hz)
Non-operating
Low Frequency             10-300 Hz, 0.195 inches (double amplitude)
High Frequency             300-500 Hz, 5.0G (0 to peak)

Electrical Specifications  
Current Requirements
12 VDC
Read/Write             395 mA
Idle                 380 mA
Standby                 6 mA
Sleep                 6 mA
5 VDC
Read/Write             660 mA
Idle                 532 mA
Standby                 180 mA
Sleep                 180 mA
Power Dissipation
Read/Write             7.80 Watts
Idle                 7.20 Watts
Standby                 0.97 Watts
Sleep                 0.97 Watts