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Crucial MX300 750GB SATA III SSD Review

By: Jon Coulter | SSDs in Storage | Posted: Jun 14, 2016 6:00 am
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TweakTown Rating: 87%Manufacturer: Crucial

70/30 Mixed Workload Test (Sledgehammer)

 

Version and / or Patch Used: Iometer 2014

 

Heavy Workload Model

 

This test hammers a drive so hard we've dubbed it "Sledgehammer". Our 70/30 Mixed Workload test is designed to simulate a heavy-duty enthusiast/workstation steady-state environment. We feel that a mix of 70% read/30% write, full random 4K transfers best represents this type of user environment. Our test allows us to see the drive enter into and reach a steady state as the test progresses.

 

Phase one of the test preconditions the drive for 1 hour with 128K sequential writes. Phase two of the test runs a 70% read/30% write, full random 4K transfer workload on the drive for 1 hour. We log and chart (phase two) IOPS data at 5-second intervals for 1 hour (720 data points). 60 data points = 5 minutes.

 

crucial-mx300-750gb-sata-iii-ssd-review_49

 

 

What we like about this test is that it reflects reality. Everything lines up, as it should. Consumer drives don't outperform Enterprise-Class SSDs that were designed for enterprise workloads. Consumer drives based on old technology are not outperforming modern Performance-Class SSDs, etc.

 

The MX300 takes more time to drop into a steady-state due to its larger capacity. We see the drop into steady state occur at 420 seconds into the run. Overall the MX300 outperforms the rest of the field.

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