Average Bench: 48.9% (781st of 970)

Based on 1,281 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 51.1% 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 22.1MB/s
Avg. Sequential Read Speed 422MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Samsung PM851 mSATA 128GB is 33.5%. 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 88.6MB/s
Avg. Sequential Write Speed 104MB/s
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Average Bench

(Based on 1,281 samples)
Min Avg Max
314 Read 422 483
29.8 Write 104 136
54.2 Mixed 142 210
23.2 SusWrite 88.6 131
41.2% 189 MB/s
Min Avg Max
11.3 4K Read 22.1 33.2
15 4K Write 39.1 72.7
5.55 4K Mixed 12.4 21.5
70.1% 24.5 MB/s
Min Avg Max
14.3 DQ Read 172 359
23.2 DQ Write 82.7 137
6.04 DQ Mixed 30.8 61.1
48.5% 95.1 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
85GB free (System drive)
Firmware: EXT41M0Q
SusWrite @10s intervals: 118 124 122 121 123 121 MB/s
Read 380
Write 120
Mixed 136
SusWrite 121
42% 189 MB/s
4K Read 25.2
4K Write 42.8
4K Mixed 19.1
85% 29 MB/s
DQ Read 254
DQ Write 121
DQ Mixed 61.4
79% 145 MB/s
99GB free (System drive)
Firmware: EXT41M0Q
SusWrite @10s intervals: 115 118 121 123 126 119 MB/s
Read 386
Write 121
Mixed 135
SusWrite 120
42% 190 MB/s
4K Read 28.5
4K Write 37.6
4K Mixed 14.4
82% 26.8 MB/s
DQ Read 288
DQ Write 116
DQ Mixed 59.7
82% 155 MB/s
82GB free (System drive)
Firmware: EXT41M0Q
SusWrite @10s intervals: 112 114 118 119 118 118 MB/s
Read 349
Write 122
Mixed 136
SusWrite 116
40% 181 MB/s
4K Read 22.3
4K Write 35.8
4K Mixed 17.5
75% 25.2 MB/s
DQ Read 231
DQ Write 125
DQ Mixed 56.6
74% 138 MB/s
95GB free (System drive)
Firmware: EXT41M0Q
SusWrite @10s intervals: 62 67 62 59 70 93 MB/s
Read 338
Write 48.9
Mixed 98.9
SusWrite 68.9
30% 139 MB/s
4K Read 25.4
4K Write 37.7
4K Mixed 17.4
81% 26.8 MB/s
DQ Read 250
DQ Write 55.6
DQ Mixed 50.3
64% 119 MB/s
94GB free (System drive)
Firmware: EXT41M0Q
SusWrite @10s intervals: 58 51 49 46 45 47 MB/s
Read 301
Write 95.8
Mixed 110
SusWrite 49.3
30% 139 MB/s
4K Read 22.3
4K Write 38.8
4K Mixed 15.8
75% 25.6 MB/s
DQ Read 221
DQ Write 70.6
DQ Mixed 52.2
63% 115 MB/s
1,281 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 10,232,805 SSDs tested.

Typical PM851 mSATA 128GB Builds (Compare 2,838 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 13%
Tree trunk
Desktop
Desktop 37%
Jet ski
Workstation
Workstation 22%
Surfboard

System: Microsoft Surface Pro 3

EDIT WITH CUSTOM PC BUILDER

Popular PM851 mSATA 128GB systems:

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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) December 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

970 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 $365Nvidia GTX 1070 $335Samsung 850 Evo 250GB $67
AMD Ryzen 5 1600 $150Nvidia GTX 1060-6GB $240Samsung 850 Evo 500GB $98
Intel Core i5-8600K $250Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $90
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $129SanDisk Extreme 64GB $43
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $830SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $140SanDisk Ultra Fit 32GB $12
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