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Western Digital WD Se Enterprise HDD Review - 8K Random Read/Write

By: Paul Alcorn | HDDs in IT/Datacenter | Posted: Jul 11, 2013 5:03 am
TweakTown Rating: 92%Manufacturer: WD

8K Random Read/Write




8K random read and write speed is a metric that is not tested for consumer use, but for enterprise environments this is an important aspect of performance. With several different workloads relying heavily upon 8K performance, we include this as a standard with each evaluation. Many of our Server Emulations below will also test 8K performance with various mixed read/write workloads.


The WD Se delivers an average of 155 IOPS at QD256.




The average 8K random write speed of the WD Se is 196 IOPS at QD256. The Se performs well with random write activity, again resulting in a tighter performance range.




The WD Se exhibits a traditional curve with slightly slower random read speed than random write speed.




The WD Se delivers a consistent 95.72% of I/O's (56,003) at 100-200ms, and 2,499 I/O's (4.27%) at 200-400ms.




Power consumption for the WD Se averages 9.41 Watts during the measurement window.






The WD Se delivers solid performance with an average of 20 IOPS per Watt in 8K random write, and 16 IOPS for 8K random read.

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