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Samsung 860 EVO 1TB SATA III SSD Review

By: Jon Coulter | SSDs in Storage | Posted: Feb 26, 2018 2:00 pm
TweakTown Rating: 97%Manufacturer: Samsung

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.

 

samsung-860-evo-1tb-sata-iii-ssd-review_45

 

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 860 EVO doesn't win this test, it gets beaten by several others in our test-pool, but it does deliver the tightest, most consistent pattern we've ever seen from any consumer TLC SATA SSD. The 860 EVO is also trending upward, which is what we want to see.

 

 

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.

 

samsung-860-evo-1tb-sata-iii-ssd-review_46

 

Again, we are seeing consistency that no other brand of TLC SSD can deliver. We would expect nothing less from such a finely engineered SSD as the 860 EVO.

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