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IOPS Scaling (Sequential)
In these tests, we tested the drive's ability to tackle multiple input/output operations. Again, we compared the 6 TB Western Digital Green (WD60EZRX) to the 6 TB Western Digital Red (WD60EFRX). For more performance comparisons, please take a look at The Hard Disk Drive Performance Comparison Guide.
Although both drives used the same Marvell 88i1047 processor, the 6 TB Green drive was faster at small sequential reads and writes, while the 6 TB Red drive was faster at large sequential reads and writes. This appears to be due to the way the firmware was tuned.
4 KB Sequential Read
Outstanding I/Os |
WD Green (6 TB) |
WD Red (6 TB) |
Difference |
1 |
13,319 IOPS |
12,608 IOPS |
+ 5.6% |
8 |
40,151 IOPS |
37,207 IOPS |
+ 7.9% |
32 |
38,307 IOPS |
36,793 IOPS |
+ 4.1% |
4 KB Sequential Write
Outstanding I/Os |
WD Green (6 TB) |
WD Red (6 TB) |
Difference |
1 |
12,657 IOPS |
12,228 IOPS |
+ 3.5% |
8 |
39,310 IOPS |
38,668 IOPS |
+ 1.7% |
32 |
39,485 IOPS |
38,560 IOPS |
+ 2.4% |
512 KB Sequential Read
Outstanding I/Os |
WD Green (6 TB) |
WD Red (6 TB) |
Difference |
1 |
315 IOPS |
329 IOPS |
- 4.3% |
8 |
318 IOPS |
329 IOPS |
- 3.4% |
32 |
318 IOPS |
329 IOPS |
- 3.5% |
512 KB Sequential Write
Outstanding I/Os |
WD Green (6 TB) |
WD Red (6 TB) |
Difference |
1 |
316 IOPS |
330 IOPS |
- 4.2% |
8 |
317 IOPS |
331 IOPS |
- 4.1% |
32 |
316 IOPS |
330 IOPS |
- 4.2% |
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6 TB Western Digital Green Review |
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• Testing The 6 TB Western Digital Green |
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• Transfer Rate Range, Platter Profile |
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