Average Bench: 55% (838th of 1058)

Based on 1,264 user benchmarks.  Model: SAMSUNG SSD PM851 M.2 2280 128GB

Average average bench

The Samsung PM851 M.2 2280 128GB averaged 44.9% 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.

Strengths

Avg. 4K-64Thread Read Speed 310MB/s
Avg. 4K Random Read Speed 21.6MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Samsung PM851 M.2 2280 128GB is 36.5%. This is a relatively wide range which indicates that the Samsung PM851 M.2 2280 128GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 84.4MB/s
Avg. Sequential Write Speed 94.7MB/s
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Average Bench

(Based on 1,264 samples)
Min Avg Max
318 Read 424 493
29 Write 94.7 139
50.3 Mixed 114 162
25.7 SusWrite 84.4 133
39% 179 MB/s
Min Avg Max
10.4 4K Read 21.6 30.2
22 4K Write 45.4 86.5
10.9 4K Mixed 18.2 24.9
80.1% 28.4 MB/s
Min Avg Max
160 DQ Read 310 365
28.6 DQ Write 90.2 141
29.1 DQ Mixed 52.9 65.2
77.3% 151 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
79GB free
Firmware: EXT25D0Q
SusWrite @10s intervals: 118 118 118 117 118 118 MB/s
Read 419
Write 122
Mixed 142
SusWrite 118
44% 200 MB/s
4K Read 30.5
4K Write 61.9
4K Mixed 23.7
109% 38.7 MB/s
DQ Read 346
DQ Write 124
DQ Mixed 55.8
88% 175 MB/s
12GB free (System drive)
Firmware: EXT25D0Q
SusWrite @10s intervals: 81 60 52 40 32 31 MB/s
Read 463
Write 102
Mixed 124
SusWrite 49.3
40% 184 MB/s
4K Read 26.9
4K Write 61.2
4K Mixed 20.3
99% 36.1 MB/s
DQ Read 280
DQ Write 86.5
DQ Mixed 58
75% 141 MB/s
25GB free (System drive)
Firmware: EXT25D0Q
SusWrite @10s intervals: 87 64 70 78 63 66 MB/s
Read 456
Write 90.5
Mixed 113
SusWrite 71.3
40% 183 MB/s
4K Read 23.3
4K Write 40.5
4K Mixed 19.3
82% 27.7 MB/s
DQ Read 354
DQ Write 67
DQ Mixed 56.7
81% 159 MB/s
95GB free (System drive)
Firmware: EXT25D0Q
SusWrite @10s intervals: 115 116 116 115 117 117 MB/s
Read 414
Write 122
Mixed 138
SusWrite 116
43% 197 MB/s
4K Read 14.9
4K Write 52.1
4K Mixed 15.1
70% 27.4 MB/s
DQ Read 354
DQ Write 125
DQ Mixed 53.6
88% 177 MB/s
43GB free (System drive)
Firmware: EXT25D0Q
SusWrite @10s intervals: 106 107 101 90 100 99 MB/s
Read 393
Write 114
Mixed 136
SusWrite 100
41% 186 MB/s
4K Read 15.9
4K Write 36.3
4K Mixed 17.3
66% 23.2 MB/s
DQ Read 338
DQ Write 128
DQ Mixed 61.3
91% 176 MB/s
51GB free (System drive)
Firmware: EXT25D0Q
SusWrite @10s intervals: 36 41 39 27 27 32 MB/s
Read 404
Write 41.2
Mixed 64.1
SusWrite 33.7
29% 136 MB/s
4K Read 22.4
4K Write 29.4
4K Mixed 20.4
76% 24.1 MB/s
DQ Read 266
DQ Write 27.2
DQ Mixed 42.3
57% 112 MB/s
75GB free (System drive)
Firmware: EXT25D0Q
SusWrite @10s intervals: 129 127 104 121 129 128 MB/s
Read 356
Write 132
Mixed 138
SusWrite 123
41% 187 MB/s
4K Read 10
4K Write 17.4
4K Mixed 11.3
39% 12.9 MB/s
DQ Read 129
DQ Write 95.1
DQ Mixed 53.1
56% 92.4 MB/s
1,264 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,300,380 SSDs tested.

Typical PM851 M.2 2280 128GB Builds (Compare 824 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 7%
Tree trunk
Desktop
Desktop 60%
Destroyer
Workstation
Workstation 7%
Tree trunk

System: Alienware 15

EDIT WITH CUSTOM PC BUILDER

Popular PM851 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.

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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]

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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.

 Comments

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.
CPUGPUSSD
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 $394Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
HDDRAMUSB
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) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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