Average Bench: 44.5% (906th of 1058)

Based on 2,913 user benchmarks.  Model: SAMSUNG SSD CM871 M.2 2280 128GB

Below average average bench

The Samsung CM871 M.2 2280 128GB averaged 55.5% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.


Avg. 4K Random Read Speed 20.7MB/s
Avg. Sequential Read Speed 412MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Samsung CM871 M.2 2280 128GB is 25.5%. This is a relatively narrow range which indicates that the Samsung CM871 M.2 2280 128GB performs reasonably consistently under varying real world conditions.


Avg. 4K-64Thread Write Speed 26.1MB/s
Avg. Sustained Write Speed 61.6MB/s

Average Bench

(Based on 2,913 samples)
Min Avg Max
324 Read 412 475
21 Write 77.2 133
47.1 Mixed 109 167
19.1 SusWrite 61.6 131
35.7% 165 MB/s
Min Avg Max
10 4K Read 20.7 28.3
11 4K Write 25.8 42.5
10.2 4K Mixed 16.3 22.7
65.9% 20.9 MB/s
Min Avg Max
133 DQ Read 165 181
11.4 DQ Write 26.1 41.4
19.2 DQ Mixed 40.3 58
43.7% 77.2 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
30GB free (System drive)
Firmware: FXT21D1Q
SusWrite @10s intervals: 129 95 72 71 67 58 MB/s
Read 446
Write 131
Mixed 164
SusWrite 82
45% 206 MB/s
4K Read 23
4K Write 42.3
4K Mixed 18.2
80% 27.8 MB/s
DQ Read 171
DQ Write 39.4
DQ Mixed 56.8
54% 89.2 MB/s
2,913 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,207,092 SSDs tested.

Typical CM871 M.2 2280 128GB Builds (Compare 5,424 builds) See popular component choices, score breakdowns and rankings.
Gaming 6%
Tree trunk
Desktop 60%
Workstation 6%
Tree trunk

System: Dell Inspiron 7559


Popular CM871 M.2 2280 128GB systems:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

UserBenchmark of the month

How it works

  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - SkillBench (space shooter) tests user input accuracy.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
Solid State Drive Rankings (Price vs Performance) September 2021 SSD Rankings.

Welcome to our 2.5" and M.2 SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top SSDs. [SSDrivePro]


Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.


1058 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different SSDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

 Best User Rated

The Best.
Intel Core i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-11700K $380Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $72G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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