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The Hard Drive
The 500 GB Western Digital Caviar GP hard drive looks just like most 3.5" desktop hard drive, with a label on the top plate and an uncovered PCB on the underside.
The label has a lot of important information, like the hard drive model and capacity, and jumper settings. There are also interesting details like its date and place of manufacture. This particular drive was manufactured in Thailand in November 2007.
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Also, the label is where you look for the drive's serial number in case you need to RMA it. Of course, we hope that never happens! 
Let's take a look at its specifications.
Specifications
Model |
• WD10EACS |
Formatted Capacity |
• 1,000,204 MB |
Guaranteed Sectors |
• 1,953,525,168 |
Bytes Per Sector |
• 512 bytes |
Sectors Per Track |
• NA |
Cylinders |
• NA |
Platters |
• 4 Platters |
Read/Write Heads |
• 8 Read/Write Heads |
Recording Method |
• NA |
Interleave |
• 1 : 1 |
Spindle Speed |
• Unknown (Between 5,400 RPM and 7,200 RPM) |
Cache Buffer |
• 16 MB SDRAM |
Maximum Internal Data Transfer Rate |
• 1,156 Mbits/s (maximum) |
Maximum I/O Transfer Rate |
• 3 Gbits/s |
Average Seek |
• NA |
Average Latency |
• NA |
Drive Ready Time |
• 13.0 seconds (average) |
Interface |
• Serial ATA 3Gb/s |
Supported SATA Data Transfer Mode |
• 3 Gbits/s |
SATA II Hotplug Capability |
• Yes |
Maximum Height |
• 26.1 mm |
Maximum Width |
• 101.6 mm |
Maximum Length |
• 147.0 mm |
Maximum Weight |
• 730 g |
Power Requirements |
• +12V DC ± 10 % |
Power Consumption |
• 7.4 W (Read / Write) |
Ambient Temperature |
• 0 °C to 60 °C
(Operating) |
Maximum Shock |
• 65 G @ 2 ms (Read) |
Drive Acoustics |
• 24 dBA average (Idle Mode) |
Maximum Operating Vibration |
• Random : 0.004 g2/Hz (10 to 300 Hz) |
Maximum Non-Operating Vibration |
• Random : 0.05 g2/Hz (10 to 300 Hz) |
Non-Recoverable Read Errors |
• 1 error per 1015 bits read |
Load/Unload Cycles |
• 300,000 |
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