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IOPS Scaling
In these tests, we tested the drive's ability to tackle multiple input/output operations. Again, 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.
4 KB Sequential Read
Outstanding I/Os |
Caviar Green 3 TB |
Caviar Green 2 TB |
Difference |
1 |
13,726 IOPS |
14,148 IOPS |
- 3.0% |
8 |
19,533 IOPS |
20,811 IOPS |
- 6.1% |
32 |
19,503 IOPS |
20,749 IOPS |
- 6.0% |
4 KB Sequential Write
Outstanding I/Os |
Caviar Green 3 TB |
Caviar Green 2 TB |
Difference |
1 |
10,497 IOPS |
10,796 IOPS |
- 2.8% |
8 |
14,879 IOPS |
17,260 IOPS |
- 13.8% |
32 |
14,976 IOPS |
17,232 IOPS |
- 13.1% |
512 KB Sequential Read
Outstanding I/Os |
Caviar Green 3 TB |
Caviar Green 2 TB |
Difference |
1 |
229 IOPS |
245 IOPS |
- 6.7% |
8 |
229 IOPS |
246 IOPS |
- 6.5% |
32 |
230 IOPS |
245 IOPS |
- 6.4% |
512 KB Sequential Write
Outstanding I/Os |
Caviar Green 3 TB |
Caviar Green 2 TB |
Difference |
1 |
228 IOPS |
245 IOPS |
- 6.7% |
8 |
228 IOPS |
245 IOPS |
- 6.7% |
32 |
229 IOPS |
246 IOPS |
- 7.1% |
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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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