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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 Black (WD6001FZWX) to the 6 TB Western Digital Green (WD60EZRX). For more performance comparisons, please take a look at The Hard Disk Drive Performance Comparison Guide.
The 6 TB Western Digital Black did particularly well in the small read and write tests, showing that it was more capable of handling even 32 simultaneous transactions, while the 6 TB Western Digital Green plateaued or even slowed a little.
4 KB Sequential Read
Outstanding I/Os |
WD Black (6 TB) |
WD Green (6 TB) |
Difference |
1 |
23,150 IOPS |
13,319 IOPS |
+ 73.8% |
8 |
51,435 IOPS |
40,151 IOPS |
+ 28.1% |
32 |
51,861 IOPS |
38,307 IOPS |
+ 35.4% |
4 KB Sequential Write
Outstanding I/Os |
WD Black (6 TB) |
WD Green (6 TB) |
Difference |
1 |
20,639 IOPS |
12,657 IOPS |
+ 63.1% |
8 |
46,924 IOPS |
39,310 IOPS |
+ 19.4% |
32 |
55,433 IOPS |
39,485 IOPS |
+ 40.4% |
512 KB Sequential Read
Outstanding I/Os |
WD Black (6 TB) |
WD Green (6 TB) |
Difference |
1 |
430 IOPS |
315 IOPS |
+ 36.5% |
8 |
430 IOPS |
318 IOPS |
+ 35.2% |
32 |
431 IOPS |
318 IOPS |
+ 35.5% |
512 KB Sequential Write
Outstanding I/Os |
WD Black (6 TB) |
WD Green (6 TB) |
Difference |
1 |
436 IOPS |
316 IOPS |
+ 37.8% |
8 |
430 IOPS |
317 IOPS |
+ 35.6% |
32 |
435 IOPS |
316 IOPS |
+ 37.6% |
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6 TB Western Digital Black Review |
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• Testing The 6 TB Western Digital Black |
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• Transfer Rate Range, Platter Profile |
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