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Western Digital Black 4TB 3.5" Consumer HDD (WD4003FZEX) Review

By: Tyler Bernath | HDDs in Storage | Posted: Nov 18, 2013 8:31 pm
TweakTown Rating: 93%Manufacturer: Western Digital

IOMeter - 4K Random Performance with QD

 

western_digital_black_4tb_3_5_consumer_hdd_wd4003fzex_review_20

 

4K random read has the WD Black starting with 175 IOPS at QD1 and finishing just shy of 400 IOPS at QD32.

 

western_digital_black_4tb_3_5_consumer_hdd_wd4003fzex_review_21

 

Rather surprisingly, the WD Black does not lead the charts when it comes to 4K random write. In fact, another WD drive leads in the area, the WD Red.

 

However, performance is consistent across the entire QD range.

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