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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 WD30EZRX (6 Gbps) to the Western Digital WD30EZRSDTL (3 Gbps). For more performance comparisons, please take a look at The Hard Disk Drive Performance Comparison Guide.
4 KB Sequential Read
Outstanding I/Os |
WD30EZRX (6 Gbps) |
WD30EZRSDTL (3 Gbps) |
Difference |
1 |
15,330 IOPS |
13,726 IOPS |
+ 11.7% |
8 |
20,340 IOPS |
19,533 IOPS |
+ 4.1% |
32 |
20,513 IOPS |
19,503 IOPS |
+ 5.2% |
4 KB Sequential Write
Outstanding I/Os |
WD30EZRX (6 Gbps) |
WD30EZRSDTL (3 Gbps) |
Difference |
1 |
11,248 IOPS |
10,497 IOPS |
+ 7.2% |
8 |
16,326 IOPS |
14,879 IOPS |
+ 9.7% |
32 |
16,467 IOPS |
14,976 IOPS |
+ 10.0% |
512 KB Sequential Read
Outstanding I/Os |
WD30EZRX (6 Gbps) |
WD30EZRSDTL (3 Gbps) |
Difference |
1 |
248 IOPS |
229 IOPS |
+ 8.5% |
8 |
248 IOPS |
229 IOPS |
+ 8.2% |
32 |
248 IOPS |
230 IOPS |
+ 8.1% |
512 KB Sequential Write
Outstanding I/Os |
WD30EZRX (6 Gbps) |
WD30EZRSDTL (3 Gbps) |
Difference |
1 |
245 IOPS |
228 IOPS |
+ 7.5% |
8 |
248 IOPS |
228 IOPS |
+ 8.5% |
32 |
248 IOPS |
229 IOPS |
+ 8.7% |
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• The Improved 3 TB WD Caviar Green |
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• Maximum Surface Temperature |
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