Samsung SSD 970 EVO Review


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SSD Testing Methodology

Early on in our SSD coverage, Benchmark Reviews published an article which detailed Solid State Drive Benchmark Performance Testing. The research and discussion that went into producing that article changed the way we now test SSD products. Our previous perceptions of this technology were lost on one particular difference: the wear leveling algorithm that makes data a moving target. Without conclusive linear bandwidth testing or some other method of total-capacity testing, our previous performance results were rough estimates at best.

Our test results were obtained after each SSD had been prepared using DISKPART, or similar proprietary tools such as Samsung Magician. As a word of caution, applications such as these offer immediate but temporary restoration of original ‘pristine’ performance levels. SSDs attached to TRIM enabled Operating Systems will benefit from continuously refreshed performance, whereas older O/S’s will require a garbage collection (GC) tool to avoid ‘dirty NAND’ performance degradation.

It’s critically important to understand that no single software tool for the Microsoft Windows platform can accurately measure comprehensive SSD performance in a comparable fashion. Synthetic benchmark tools such as ATTO Disk Benchmark and Iometer are helpful indicators, but should not be considered the ultimate determining factor. That factor should be measured in actual user experience of real-world applications. Benchmark Reviews includes both bandwidth benchmarks and application speed tests to present a conclusive measurement of product performance.


Test System

  • Motherboard: MSI Z170A GAMING M7 (Intel Socket LGA 1151 Chipset)
  • Processor: Intel Core i7-6700K 4.0 GHz Skylake CPU
  • System Memory: 32GB (2x 16GB) Corsair Vengeance LPX DDR4 2400MHz C14
  • M.2 NVMe Storage HBA: Integrated Intel Z170 Controller
  • SATA Storage HBA: Integrated Intel Z170 Controller
    • Intel Rapid Storage Technology Driver
  • Operating System: Microsoft Windows 10 Pro, 64-bit

Test Tools

  • AS SSD Benchmark 2.0.6485: Multi-purpose speed and operational performance test
  • ATTO Disk Benchmark 3.05: Spot-tests static file size chunks for basic I/O bandwidth
  • CrystalDiskMark 5.5.0 x64 by Crystal Dew World: Sequential speed benchmark spot-tests file size chunks
  • Iometer 1.1.0 (built 08-Nov-2010) by Intel Corporation: Tests IOPS performance and I/O response time
  • Finalwire AIDA64: Disk Benchmark component tests linear read and write bandwidth speeds
  • Anvil Storage Benchmark 1.1.0: Sequential tests at multiple queue depths and file size chunks

Test Results Disclaimer

This article utilizes benchmark software tools to produce operational IOPS performance and bandwidth speed results. Each test was conducted in a specific fashion, and repeated for all products. These test results are not comparable to any other benchmark application, neither on this website or another, regardless of similar IOPS or MB/s terminology in the scores. The test results in this project are only intended to be compared to the other test results conducted in identical fashion for this article.

EDITORS NOTE: Our test results have been recollected for this project, as our test system has been rebuilt and would not replicate previously recorded results.


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