70/30 Mixed Workload Test (Sledgehammer)
Version and / or Patch Used: Iometer 2014
Heavy Usage 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.
What we like about this test is that it reflects reality. Everything lines up, as it should. Consumer drives don't outperform Enterprise-Class SSD's that were designed for enterprise workloads. Consumer drives based on old technology are not outperforming modern Performance-Class SSD's, etc.
The 850 EVO performs a lot better than we expected to see, finishing the test at 20,000 IOPS in a steady state.
PRICING: You can find the Samsung 850 EVO 500GB SATA III M.2 SSD for sale below. The prices listed are valid at the time of writing, but can change at any time. Click the link below to see real-time pricing for the best deal:
United States: The Samsung 850 EVO 500GB SATA III M.2 SSD retails for $194.99 at Amazon.
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- Page 1 [Introduction, Drive Specifications, Pricing and Availability]
- Page 2 [Drive Details]
- Page 3 [Test System Setup and Properties]
- Page 4 [Samsung Magician 4.6 and Samsung Data Migration Software]
- Page 5 [Synthetic Benchmarks - ATTO & Anvil Storage Utilities]
- Page 6 [Synthetic Benchmarks - CrystalDiskMark & AS SSD]
- Page 7 [Benchmarks (Trace Based OS Volume) - PCMark Vantage, PCMark 7 & PCMark 8]
- Page 8 [Benchmarks (Secondary Volume) - Max IOPS, Disk Response & Transfer Rates]
- Page 9 [Benchmarks (Secondary Volume) - PCMark 8 Extended]
- Page 10 [Benchmarks (Secondary Volume) - 70/30 Mixed Workload]
- Page 11 [Maxed-Out Performance (MOP) and RAPID]
- Page 12 [Final Thoughts]
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