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Western Digital WD2500JB Caviar SE EIDE 250 GB Hard Drive
Product Features
250 GB EIDE internal hard drive
7,200 RPM with 8 MB buffer
WhisperDrive and Soft Seek technologies for ultra-quiet performance
Data Lifeguard simplifies installation, management and repair
Technical Details
Drive type: Internal
Capacity: 250 GB
Interface: EIDE
Rotational speed: 7,200 RPM
Buffer size: 8 MB
Average latency: 4.20 ms
Contact start/stop cycles: 50,000 minimum
Average read seek time: 8.9 ms
Average write seek time: 10.9 ms
Track-to-track seek time: 2.0 ms
Full stroke seek: 21.0 ms
Transfer rate (buffer to disk): 784 Mbits/sec (maximum)
Formatted capacity: 250,059 MB
Actuator type: Rotary voice coil
Number of platters: 3
Bytes per sector: 512
User sectors per drive: 488,397,168
Servo type: Embedded
Operating shock (read): 65G, 2 ms
Non-operating shock: 250G, 2 ms
Acoustics (idle mode): 28 dBA (average)
Acoustics (seek mode 0): 33 dBA (average)
Acoustics (seek mode 3): 29 dBA (average)
Operating temperature: 41 degrees to 131 degrees F
Non-operating temperature: -40 degrees to 149 degrees F
Humidity (operating and non-operating): 5-95 percent RH non-condensing
Operating altitude: -1,000 feet to 10,000 feet
Non-operating altitude: -1,000 feet to 40,000 feet
Product dimensions: 4.00 x 5.787 x 1.028 inches (W x D x H)
Product weight: 1.32 pounds (0.6 kg)
In the box: Hard drive, EIDE cable, installation and management software, step-by-step illustrated instructions
Price :
US$48.99