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Western Digital Black 4TB 3.5" Consumer HDD (WD4003FZEX) Review - Benchmarks - Drive Acoustics and Power Consumption

Western Digital Black 4TB 3.5
The new WD Black in the 4TB capacity offers intensive 200 MB/s performance in the standard 3.5" form factor. Let's take a look. (NASDAQ:WDC)
| HDDs in Storage | Posted: Nov 18, 2013 8:31 pm
TweakTown Rating: 93%Manufacturer: Western Digital

Drive Acoustics and Power Consumption

 

Drive Acoustics

 

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Drive acoustics is something that can be a very important metric when purchasing a drive. As such, we purchased and built a 12 x 12 x 12 box out of 2" thick insulating foam. In the center of the box, we place the drive on 3" acoustic foam. Sound level measurements are taken from a distance of 6 inches.

 

Looking at the chart above, we find all drives maintaining a steady and consistent noise level throughout testing. At its peak, the WD Black tops the charts just over 40dBa.

 

 

Power Consumption

 

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Our custom power testing samples each drive for a period of three minutes across each workload. In order to offer more granularity we sample the power in one-second intervals. 4K random read/write carries the least amount of power consumption for the WD Black, here we see the drive move from a touch over 9 watts down to 8.5 watts at the end of the workload. Peak power consumption comes during sequential read operations as the drive jumps to 10watts.

 

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Idle power consumption for the WD Black hangs around at 8.1 to 8.3 watts, and after entering standby down to just 1 watt.

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