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IO Meter
We compared the Western Digital Caviar Green AFT 3 TB to the Western Digital Caviar Green AFT 2 TB. For more performance comparisons, please take a look at The Hard Disk Drive Performance Comparison Guide.
Throughput (Random Access)
Test |
Caviar Green 3 TB |
Caviar Green 2 TB |
Difference |
512 KB Read |
17.15 MB/s |
16.73 MB/s |
+ 2.5% |
512 KB Write |
17.45 MB/s |
16.42 MB/s |
+ 6.3% |
4 KB Read |
0.26 MB/s |
0.26 MB/s |
- |
4 KB Write |
0.21 MB/s |
0.19 MB/s |
+ 10.5% |
Random Access Time
Test |
Caviar Green 3 TB |
Caviar Green 2 TB |
Difference |
512 KB Read |
29.15 ms |
29.84 ms |
- 2.3% |
512 KB Write |
28.62 ms |
30.42 ms |
- 5.9% |
4 KB Read |
14.92 ms |
15.07 ms |
- 1.0% |
4 KB Write |
18.97 ms |
20.18 ms |
- 6.0% |
CPU Utilization (Random Access)
Test |
Caviar Green 3 TB |
Caviar Green 2 TB |
Difference |
512 KB Read |
0.20% |
0.18% |
+ 11.1% |
512 KB Write |
0.10% |
0.09% |
+ 11.1% |
4 KB Read |
0.42% |
0.07% |
+ 500% |
4 KB Write |
0.28% |
0.16% |
+ 75.0% |
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• The 3 TB WD Caviar Green |
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• HighPoint Rocket 620 SATA Controller |
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• Maximum Surface Temperature |
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<<< WinBench 99 Test Results, Transfer Rate Range : Previous Page | Next Page : IO Meter Sequential Access Performance >>>
