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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 WD30EURS to the Western Digital WD20EVDS. For more performance comparisons, please take a look at The Hard Disk Drive Performance Comparison Guide.
4 KB Random Read
Outstanding I/Os |
WD30EURS (3 TB) |
WD20EVDS (2 TB) |
Difference |
1 |
50 IOPS |
56 IOPS |
- 9.8% |
8 |
73 IOPS |
81 IOPS |
- 9.7% |
32 |
94 IOPS |
103 IOPS |
- 8.6% |
4 KB Random Write
Outstanding I/Os |
WD30EURS (3 TB) |
WD20EVDS (2 TB) |
Difference |
1 |
51 IOPS |
120 IOPS |
- 57.4% |
8 |
50 IOPS |
123 IOPS |
- 59.4% |
32 |
49 IOPS |
122 IOPS |
- 59.7% |
512 KB Random Read
Outstanding I/Os |
WD30EURS (3 TB) |
WD20EVDS (2 TB) |
Difference |
1 |
29 IOPS |
30 IOPS |
- 3.8% |
8 |
30 IOPS |
31 IOPS |
- 2.5% |
32 |
39 IOPS |
39 IOPS |
- 1.1% |
512 KB Random Write
Outstanding I/Os |
WD30EURS (3 TB) |
WD20EVDS (2 TB) |
Difference |
1 |
35 IOPS |
63 IOPS |
- 44.9% |
8 |
34 IOPS |
63 IOPS |
- 45.6% |
32 |
35 IOPS |
64 IOPS |
- 46.1% |
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• The 3 TB Western Digital AV-GP |
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• Testing The 3 TB Western Digital AV-GP |
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