Appearance: Used
Functionality: Working

Description:
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As Pictured, a WD IDE Hard Drive – tested good. Drive has been freshly formatted with no bad blocks. Support is available at: http://www.wdc.com/en/products/legacy/Legacy.asp?Model=AC313000

Warranty and Returns:
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We understand that there may be compatibility issues, space constraints, or it just doesn’t look perfect. This item can be returned within 14-days for ANY reason. However, shipping to and from is not refundable.

Shipping:
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- Other shipping methods are available – contact us for details.
- Combined shipping is available for most items – contact us for details.
- Local pickup is also available at no cost.

About Us:
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The Computer Preservation Group is dedicated to the preservation of historical computers. To help fund ongoing operations, select items are made available. To learn more, please visit our website: www.computerpreservation.com. Thank you for your support!

Stock#:C17216.GG#1.66


Details from http://www.wdc.com/en/products/legacy/Legacy.asp?Model=AC313000:

Formatted Capacity* 13,020 MB
Interface 40-pin EIDE
Actuator Type Rotary Voice Coil
Number of Platters 3
Data Surfaces 6
Number of Heads 6
Bytes Per Sector 512
User Sectors Per Drive 25,429,824
Servo Type Embedded
Recording Method Rate 16/17 PRML
ECC Reed Solomon
Head Park** Automatic
* Western Digital defines a megabyte (MB) as 1,000,000 bytes and a gigabyte (GB) as 1,000,000,000 bytes.

** Turning the system power off causes the WD Caviar® to perform an automatic head park operation.

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Performance Specifications
Average Seek (Read) 9.5 ms (typical) 15 ms (maximum)
Average Seek (Write) 11.5 ms (typical) 17 ms (maximum)
Track to Track Seek 2.0 ms (typical) 5 ms (maximum)
Full Stroke Seek 19 ms (typical) 23 ms (maximum)
Index Pulse Period 11.11 (nominal)
Average Latency 5.5 ms (nominal)
Rotational Speed 5400 RPM (nominal)
Controller Overhead 0.3 ms average
Transfer Rate (Buffer to Host) 66.6 MB/s (Mode 4 Ultra ATA)
33.3 MB/s (Mode 2 Ultra ATA)
16.6 MB/s (Mode 4 PIO)
16.6 MB/s (Mode 2 multi-word DMA)
Transfer Rate (Buffer to Disk) 87.9 Mbits/s minimum
171.4 Mbits/s maximum
Interleave 1:1
Buffer Size 512 KB
Error Rate (Non-Recoverable)