Average Bench: 47.8% (666th of 873)

Based on 980 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 22.4MB/s
Avg. Sequential Read Speed 449MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Samsung PM851 mSATA 128GB is 28.5%. This is a relatively narrow range which indicates that the Samsung PM851 mSATA 128GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sequential Write Speed 102MB/s
Avg. 4K-64Thread Mixed IO Speed 16.8MB/s
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Average Bench

(Based on 980 samples)
Min Avg Max
360 Read 449 485
25.5 Write 102 135
47.8 Mixed 157 212
51% 236 MB/s
Min Avg Max
12.4 4K Read 22.4 33.1
17.6 4K Write 41.5 72
6.04 4K Mixed 9.48 12.8
68.1% 24.5 MB/s
Min Avg Max
14.9 DQ Read 110 284
22.3 DQ Write 75.9 134
6.31 DQ Mixed 16.8 31.2
33.1% 67.6 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
42GB free
Firmware: EXT41M0Q Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 464
Write 132
Mixed 205
58% 267 MB/s
4K Read 28.5
4K Write 51.4
4K Mixed 11.6
85% 30.5 MB/s
DQ Read 103
DQ Write 134
DQ Mixed 31.8
48% 89.7 MB/s
9GB free
Firmware: EXT4 Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 478
Write 113
Mixed 128
52% 240 MB/s
4K Read 30
4K Write 46
4K Mixed 10.7
84% 28.9 MB/s
DQ Read 161
DQ Write 83.9
DQ Mixed 31.3
48% 92.2 MB/s
13GB free
Firmware: EXT41M0Q Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 469
Write 120
Mixed 147
53% 245 MB/s
4K Read 25.7
4K Write 37.6
4K Mixed 11.3
73% 24.9 MB/s
DQ Read 166
DQ Write 70.6
DQ Mixed 29.3
45% 88.6 MB/s
20GB free
Firmware: EXT41M0Q Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 408
Write 30.5
Mixed 50.5
34% 163 MB/s
4K Read 26.8
4K Write 45.3
4K Mixed 7.69
74% 26.6 MB/s
DQ Read 22.5
DQ Write 61.3
DQ Mixed 6.94
15% 30.3 MB/s
12GB free
Firmware: EXT41M0Q Max speed: SATA 3.0 600 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 322
Write 20.9
Mixed 45.3
27% 130 MB/s
4K Read 15.7
4K Write 18.6
4K Mixed 6.2
42% 13.5 MB/s
DQ Read 22
DQ Write 23.5
DQ Mixed 18.6
15% 21.4 MB/s
980 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 5,185,366 SSDs tested.

Typical PM851 mSATA 128GB Builds (Compare 1,901 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 13%
Tree trunk
Desktop
Desktop 38%
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 consumer SSD comparison. We calculate effective speed based on real world performance then adjust by cost per GB to yield a value for money rating. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top SSDs. Share your opinion by voting. [SSDrivePro]

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

 Frequently Asked Questions

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