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Intel SSD 5 545s 512GB SATA III SSD Review (Page 8)

By: Jon Coulter from Jun 27, 2017 @ 2:30 CDT
TweakTown Rating: 94%Manufacturer: Intel

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 at QD32. Phase two of the test runs a 70% read/30% write at QD32, 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.

intel-ssd-5-545s-512gb-sata-iii-review_43

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.

OP and capacity have a lot to do with the results of this test. The SSD 545s doesn't light it up like it does with our other testing, but it does beat half of the drives in our test pool including Samsung's 750 EVO.

Sustained Sequential Write

Version and / or Patch Used: Iometer 2014

Heavy Workload Model

We write to the drive for 1 hour with 128K sequential writes at QD32. We log and chart megabytes per second data at 5-second intervals for 1 hour (720 data points). 60 data points = 5 minutes.

intel-ssd-5-545s-512gb-sata-iii-review_98

An hour is more than enough time to fill the drive twice, and we averaged 444 MB/s for the entire hour.

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