Average Bench: 47.8% (775th of 956)

Based on 1,266 user benchmarks.  Models: SAMSUNG MZMTE128HMGR-000, SAMSUNG MZMTE128HMGR-00000, SAMSUNG MZMTE128HMGR-000SO, SAMSUNG MZMTE128HMGR-000MV

Below average average bench

The Samsung PM851 mSATA 128GB averaged 52.1% 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 Random Read Speed 21.6MB/s
Avg. Sequential Read Speed 436MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Samsung PM851 mSATA 128GB is 30.7%. This is a relatively narrow range which indicates that the Samsung PM851 mSATA 128GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 92.3MB/s
Avg. Sequential Write Speed 104MB/s
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Average Bench

(Based on 1,266 samples)
Min Avg Max
329 Read 436 483
27.5 Write 104 136
52.4 Mixed 151 211
26.2 SusWrite 92.3 128
42.7% 196 MB/s
Min Avg Max
11.2 4K Read 21.6 32.1
14.8 4K Write 39.2 69.7
5.53 4K Mixed 10.7 19.6
67.3% 23.9 MB/s
Min Avg Max
13.7 DQ Read 136 353
22 DQ Write 78.7 134
5.81 DQ Mixed 22.8 59
39.7% 79.3 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
93GB free (System drive)
Firmware: EXT4400Q
SusWrite @10s intervals: 130 130 133 133 132 133 MB/s
Read 450
Write 136
Mixed 156
SusWrite 132
48% 219 MB/s
4K Read 31.1
4K Write 67.3
4K Mixed 19.8
108% 39.4 MB/s
DQ Read 356
DQ Write 139
DQ Mixed 65.3
96% 187 MB/s
91GB free
Firmware: EXT41M0Q
SusWrite @10s intervals: 132 131 131 131 131 131 MB/s
Read 446
Write 129
Mixed 167
SusWrite 131
48% 218 MB/s
4K Read 20.6
4K Write 42.4
4K Mixed 19.6
79% 27.5 MB/s
DQ Read 359
DQ Write 136
DQ Mixed 65.7
96% 187 MB/s
44GB free (System drive)
Firmware: EXT42M0Q
SusWrite @10s intervals: 34 32 29 29 29 28 MB/s
Read 286
Write 37.1
Mixed 61.6
SusWrite 30
22% 104 MB/s
4K Read 11.8
4K Write 25.8
4K Mixed 12.3
47% 16.6 MB/s
DQ Read 347
DQ Write 36.3
DQ Mixed 43.6
69% 142 MB/s
1,266 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 8,556,997 SSDs tested.

Typical PM851 mSATA 128GB Builds (Compare 3,103 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 13%
Tree trunk
Desktop
Desktop 36%
Jet ski
Workstation
Workstation 22%
Surfboard

System: Microsoft Surface Pro 3

EDIT WITH CUSTOM PC BUILDER

Popular PM851 mSATA 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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Solid State Drive Rankings (Price vs Performance) September 2018 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

956 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 i7-8700K $370Nvidia GTX 1070 $344Samsung 850 Evo 250GB $85
AMD Ryzen 5 1600 $150Nvidia GTX 1060-6GB $260Samsung 850 Evo 500GB $110
Intel Core i5-8600K $245AMD RX 480 $280Samsung 850 Pro 256GB $134
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $150SanDisk Extreme 64GB $80
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $899SanDisk Extreme 32GB $30
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3200 C16 2x8GB $160SanDisk Ultra Fit 32GB $11
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