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Seagate Desktop SSHD 4TB ST4000DX001 Consumer HDD Review

By: Tyler Bernath | SSHDs in Storage | Posted: Apr 29, 2015 8:10 pm
TweakTown Rating: 87%Manufacturer: Seagate

IOMeter - Sequential Performance with QD




Moving on, we tested the sequential performance of the 4TB SSHD. As you can see here, both of the SSHD solutions seemed to lose performance with initial sequential testing. The standard hard drive continued through testing unaffected.




Sequential write showed higher performance for the 4TB variant. The 2TB variant stays above the standard solution.




Read latency for sequential testing showed up nearly three times higher than the standard mechanical solution. This is most likely due to overhead in the caching algorithm.




Write latency had each drive on par with one another through QD8, where the 4TB SSHD starts to distance itself.

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