Samsung SM951 NVMe M.2 PCIe 256GB SSD Review (Page 5)

| Jun 10, 2015 at 9:09 am CDT
Rating: 96%Manufacturer: Samsung

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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Samsung SM951 NVMe M.2 PCIe 256GB SSD Review 19 | TweakTown.com

Let's focus on 4K QD1 and 4K QD4 because they are the two most important categories. The SM951 NVMe is again breaking lab records. Nothing that has come across our bench is even close to the SM951 NVMe. The SM951 AHCI drive is able to deliver the second best performance.

Samsung SM951 NVMe M.2 PCIe 256GB SSD Review 20 | TweakTown.com

Our Seagate 600 Pro array massively outperforms the PCIe drives at 4K QD1. Normally we consider this an important indicator of a drive/arrays performance, but we have come to find that this only applies to SATA-based SSD's.

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.

Samsung SM951 NVMe M.2 PCIe 256GB SSD Review 21 | TweakTown.com
Samsung SM951 NVMe M.2 PCIe 256GB SSD Review 22 | TweakTown.com

What the chart does not show, the screenshot does. 54 MB/s at QD1 read is another lab record. With our synthetic testing out of the way, let's get to some real-world testing and see how Samsung's SM951 drives really perform.

Last updated: Apr 7, 2020 at 12:33 pm CDT

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ABOUT THE AUTHOR -

Jon became a computer enthusiast when Windows XP launched. He was into water cooling and benching ATI video cards with modded drivers. Jon has been building computers for others for more than 10 years. Jon became a storage enthusiast the day he first booted an Intel X25-M G1 80GB SSD. Look for Jon to bring consumer SSD reviews into the spotlight.

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