Western Digital 320GB Scorpio Notebook Drive

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As I patiently await Solid State Drives to Take over the hard drive market, Western Digital announces a nice 320GB 2.5″ hard drive. Not bad – not bad at all. In case you are wondering, that can hold:

  • Up to 91,000 digital photos
  • Up to 80,000 songs (MP3)
  • Up to 8,000 songs (uncompressed CD quality)
  • Up to 24 hours of Digital Video (DV)
  • Up to 100 hours of DVD quality video
  • Up to 38 hours of HD video

And now for the specs:

Performance Specifications
Rotational Speed 5,400 RPM (nominal)
Buffer Size 8 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)
Transfer Rate (Buffer To Disk) 850 Mbits/s (Max)


Physical Specifications
Formatted Capacity 320,072 MB
Capacity 320 GB
Interface SATA 3 Gb/s


Physical Dimensions
English
Height 0.374 ±0.008 inch
Length 3.94 ±0.010 inch
Width 2.75 ±0.010 inch
Weight 0.26 Pounds
Metric
Height 9.5 ±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 41 F to 140 F
Non-operating -40 F to 149 F
Temperature (Metric)
Operating 5 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 0.00459 g²/Hz (10 to 500 Hz)
Non-operating 0.05102 g²/Hz (10 to 500 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 2.00 Watts
Standby 0.25 Watts
Sleep 0.10 Watts

Source: Western Digital