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Western Digital

WD VelociRaptor 450GB 2.5" Internal Notebook Hard Drive, 10,000 RPM, SATA 6 Gbps

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About the Western Digital WD4500BLHX

The WD Velociraptor 450GB 2.5" SATA 6 Gbps Notebook Internal Hard Drive is ideal for servers, workstations and low end servers. With an amalgamation of 10,000 RPM, spin speed, SATA 6 Gb/s interface and a 32 Mb cache, this high performance hard drive delivers utmost speed and reliability.

Western Digital WD4500BLHX Features

  • Rock-Solid Reliability: Designed and manufactured to mission critical enterprise-class standards to provide enterprise reliability in high duty cycle environments. With 1.4 million hours MTBF, these drives have the highest available reliability rating on a high-capacity SATA drive
  • Ultra-Cool Operation: VelociRaptor consumes no more power than the previous generation WD VelociRaptor while offering double the capacity and higher performance
  • Rotary Acceleration Feed Forward: VelociRaptor optimizes operation and performance when the drives are used in vibration prone, multi-drive chassis
  • Environmentally Conscious: In addition to being ROHS compliant, this generation of WD VelociRaptor is also a halogen free design
  • Killer Speed: With up to SATA 6 Gbps interface and 32 MB cache, next generation 10,000 RPM WD VelociRaptor are up to 15% faster than the award-winning previous generation
  • NoTouch Ramp Load Technology: The recording head never touches the disk media ensuring significantly less wear to the recording head and media as well as better drive protection in transit

Western Digital WD4500BLHX Specifications

Rotational Speed 10,000 RPM
Buffer (Cache) 32 MB
Average Latency (ms) 3.00
Seek Time Read Seek Time: 3.6 ms (average)
Write Seek Time: 4.2 ms (average)
Track-To-Track Seek Time: 0.4 ms (average)
Transfer Rate Buffer To Host (Serial ATA): 6 Gbps
Capacity 450GB
Interface SATA 6 Gbps
12 VDC Read/Write: 320 mA
Idle: 210 mA
Standby: 5 mA
Sleep: 5 mA
5 VDC Read/Write: 470 mA
Idle: 360 mA
Standby: 130 mA
Sleep: 120 mA
Power Dissipation Read/Write: 6.20 W
Idle: 4.30 W
Standby: 0.70 W
Sleep: 0.70 W
Temperature Operating: 41 to 131deg.F (5 to 55deg.C)
Non-operating: -40 to 160deg.F (-40 to 70deg.C)
Shock Operating Shock (Read):65G, 2 ms
Non-operating Shock: 300G, 2 ms
Acoustics Idle Mode: 30 dBA (average)
Seek Mode 0: 37 dBA (average)
Humidity Operating: 5-95% RH non condensing
Non-operating: 5-95% RH non condensing
Altitude Operating: -1,000 to 10,000 ft (-304.8 to 3048 m)
Non-operating: -1,000 ft to 40,000 ft (-304.8 to 12192 m)
Vibration Operating:
Linear: 20-300 Hz, 0.75G (0 to peak)
Random: 10-300 Hz, 0.008 g/Hz
Low Frequency: 0.05 g/Hz (10 to 300 Hz)
High Frequency: 20-500 Hz, 4.0G (0 to peak)
Dimensions (H x D x W) 0.59 x 3.94 x 2.75" (1.49 x 10 x 6.98cm)
Weight 0.48 lb (0.21 kg)
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