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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 Random Read
Outstanding I/Os |
WD30EZRX (6 Gbps) |
WD30EZRSDTL (3 Gbps) |
Difference |
1 |
67 IOPS |
67 IOPS |
- 0.6% |
8 |
95 IOPS |
96 IOPS |
- 1.8% |
32 |
115 IOPS |
130 IOPS |
- 11.7% |
4 KB Random Write
Outstanding I/Os |
WD30EZRX (6 Gbps) |
WD30EZRSDTL (3 Gbps) |
Difference |
1 |
53 IOPS |
53 IOPS |
+ 0.3% |
8 |
53 IOPS |
52 IOPS |
+ 1.8% |
32 |
51 IOPS |
51 IOPS |
- 1.0% |
512 KB Random Read
Outstanding I/Os |
WD30EZRX (6 Gbps) |
WD30EZRSDTL (3 Gbps) |
Difference |
1 |
35 IOPS |
34 IOPS |
+ 1.2% |
8 |
35 IOPS |
36 IOPS |
- 1.1% |
32 |
41 IOPS |
42 IOPS |
- 1.1% |
512 KB Random Write
Outstanding I/Os |
WD30EZRX (6 Gbps) |
WD30EZRSDTL (3 Gbps) |
Difference |
1 |
36 IOPS |
35 IOPS |
+ 3.0% |
8 |
36 IOPS |
35 IOPS |
+ 2.4% |
32 |
36 IOPS |
35 IOPS |
+ 3.2% |
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• The Improved 3 TB WD Caviar Green |
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• Maximum Surface Temperature |
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