Version and / or Patch Used: 3.0 Technical Preview
CrystalDiskMark is disk benchmark software that allows us to benchmark 4k and 4k queue depths with accuracy. Note: Crystal Disk Mark 3.0 Technical Preview was used for these tests since it offers the ability to measure native command queuing at QD4.
Both of our dual 950 Pro arrays are able to easily exceed 3GB/s sequential read speed. We notice a slight latency increase with an array when compared to a single drive at QD1 and QD4. We note a significant sequential read speed increase of nearly 600 MB/s for single a 256GB 950 Pro over the 256GB SM951, which is a testament to the power of 3D flash. At QD1 and QD4, the Samsung drives whether it be a single drive or an array, have a significant advantage over Intel's 750 series AIC.
Write performance is where an array has a significant advantage over a single drive. In this case, the chipset isn't getting in the way of maximum performance. Our dual 256GB 950 Pro array has better random write performance than our dual 512GB 950 Pro array due to its higher cache to gigabyte ratio. In terms of pure sequential write performance, our dual 512GB 950 Pro array runs away with this test.
Version and / or Patch Used: 1.7.4739.38088
AS SSD determines the performance of Solid-State Drives (SSD). The tool contains four synthetic as well as three practice tests. The synthetic tests are to determine the sequential and random read and write performance of the SSD.
So much of AS SSD's scoring comes from 4K-64 thread performance (which is nearly irrelevant in a consumer setting) that scoring may not reflect what can be expected in terms of real-world performance. We still bench with AS SSD because it's a very popular test that many enthusiasts use and scoring aside, it does provide important data.
With our synthetic testing out of the way, let's take a look at our moderate workload testing.
PRICING: You can find the Samsung 950 Pro M.2 256GB PCIe Gen 3x4 NVMe 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 950 Pro M.2 256GB PCIe Gen 3x4 NVMe SSD retails for $182 at Amazon.
United Kingdom: The Samsung 950 Pro M.2 256GB PCIe Gen 3x4 NVMe SSD retails for £145 at Amazon UK.
- Page 1 [Introduction and Drive Specifications]
- Page 2 [Drive Details]
- Page 3 [Test System Setup and Drive Properties]
- Page 4 [Synthetic Benchmarks – ATTO & Anvil Storage Utilities]
- Page 5 [Synthetic Benchmarks - CrystalDiskMark & AS SSD]
- Page 6 [Benchmarks (Trace-Based OS Volume) - PCMark Vantage, PCMark 7 & PCMark 8]
- Page 7 [Benchmarks (Secondary Volume) - Max IOPS, Disk Response & Transfer Rates]
- Page 8 [Benchmarks (Secondary Volume) - PCMark 8 Extended]
- Page 9 [Benchmarks (Secondary Volume) – 70/30 Mixed Workload]
- Page 10 [Maxed-Out Performance (MOP)]
- Page 11 [Final Thoughts]
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