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Samsung 950 Pro M.2 PCIe Gen 3x4 NVMe SSD RAID 0 Report

By: Jon Coulter | RAID in Storage | Posted: Feb 17, 2016 2:15 pm

CrystalDiskMark

 

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.

 

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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.

 

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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.

 

 

AS SSD

 

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.

 

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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.

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