Хард диск за лаптоп WD 320GB 16MB 2.5" 7200rpm SATA II Black

Performance Specifications
Rotational Speed 7,200 RPM (nominal)
Buffer Size 16 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 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
Length 3.94 Inches
Width 2.75 Inches
Weight 0.22 Pounds

Metric
Height 9.5 mm
Length 100 mm
Width 69.85 mm
Weight 99 gm

Environmental Specifications
Acoustics
Idle Mode 22 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?/Hz (10 to 500 Hz)
Non-operating 0.05102 g?/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