Average Bench: 165% (29th of 853)

Based on 1,036 user benchmarks.  Model: SAMSUNG MZHPV128HDGM-00000

Outstanding average bench

The Samsung SM951 AHCI PCIe M.2 128GB averaged 64.8% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung SM951 AHCI PCIe M.2 128GB near the top of the comparison list.


Avg. Sequential Read Speed 1,614MB/s
Avg. 4K Random Read Speed 63.9MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the Samsung SM951 AHCI PCIe M.2 128GB is 77.9%. This is a particularly wide range which indicates that the Samsung SM951 AHCI PCIe M.2 128GB performs inconsistently under varying real world conditions.


Avg. 4K-64Thread Write Speed 186MB/s
Avg. 4K-64Thread Read Speed 267MB/s

Average Bench

(Based on 1,036 samples)
Min Avg Max
761 Read 1,614 1,879
193 Write 547 670
285 Mixed 760 933
212% 974 MB/s
Min Avg Max
28 4K Read 63.9 46.5
48.4 4K Write 108 148
18.6 4K Mixed 32.2 45.7
195% 67.9 MB/s
Min Avg Max
32.8 DQ Read 267 589
81 DQ Write 186 260
18.1 DQ Mixed 90 186
104% 181 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
75GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
Read 1,788
Write 620
Mixed 904
241% 1,104 MB/s
4K Read 43.4
4K Write 111
4K Mixed 42
178% 65.4 MB/s
DQ Read 366
DQ Write 251
DQ Mixed 150
155% 255 MB/s
73GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
Read 1,843
Write 595
Mixed 840
238% 1,093 MB/s
4K Read 37.5
4K Write 83.5
4K Mixed 38.8
151% 53.3 MB/s
DQ Read 173
DQ Write 150
DQ Mixed 81.4
83% 135 MB/s
81GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
Read 1,693
Write 638
Mixed 899
236% 1,077 MB/s
4K Read 24.5
4K Write 41.4
4K Mixed 29.7
97% 31.8 MB/s
DQ Read 302
DQ Write 239
DQ Mixed 16.7
82% 186 MB/s
75GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
Read 749
Write 575
Mixed 703
150% 676 MB/s
4K Read 42
4K Write 105
4K Mixed 39.5
170% 62.3 MB/s
DQ Read 340
DQ Write 251
DQ Mixed 25
92% 205 MB/s
1,036 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 3,284,678 SSDs tested.


AmazonUS $115.993 months ago.
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Typical SM951 AHCI PCIe M.2 128GB Builds (Compare 1,441 builds) See popular component choices, score breakdowns and rankings.
Gaming 65%
Desktop 94%
Nuclear submarine
Workstation 66%
Battle cruiser

Motherboard: Asrock Z97 Extreme6 - $162

EDIT WITH CUSTOM PC BUILDER Value: 71% - Very good Total price: $1,105

Popular SM951 AHCI PCIe M.2 128GB compatible motherboards:

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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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