Average Bench: 165% (26th of 850)

Based on 983 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 1,577MB/s
Avg. 4K Random Read Speed 67.7MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SM951 AHCI PCIe M.2 128GB is 83.4%. 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 188MB/s
Avg. 4K-64Thread Read Speed 267MB/s

Average Bench

(Based on 983 samples)
Min Avg Max
750 Read 1,577 1,878
177 Write 550 671
271 Mixed 760 936
210% 962 MB/s
Min Avg Max
27.6 4K Read 67.7 46.8
43 4K Write 107 150
15.9 4K Mixed 31.9 46.1
200% 68.8 MB/s
Min Avg Max
32.6 DQ Read 267 593
83.6 DQ Write 188 260
18.3 DQ Mixed 89.7 187
104% 181 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
76GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
Read 1,918
Write 598
Mixed 804
241% 1,107 MB/s
4K Read 45.8
4K Write 142
4K Mixed 45.8
203% 77.8 MB/s
DQ Read 514
DQ Write 243
DQ Mixed 185
189% 314 MB/s
8GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
Read 1,746
Write 638
Mixed 842
235% 1,076 MB/s
4K Read 44.5
4K Write 135
4K Mixed 27.3
174% 68.8 MB/s
DQ Read 47.3
DQ Write 155
DQ Mixed 26
42% 76.1 MB/s
85GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
Read 1,823
Write 657
Mixed 912
247% 1,130 MB/s
4K Read 42.2
4K Write 118
4K Mixed 25.9
160% 62 MB/s
DQ Read 44.6
DQ Write 121
DQ Mixed 25.9
36% 63.9 MB/s
64GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
Read 763
Write 676
Mixed 748
163% 729 MB/s
4K Read 38.7
4K Write 104
4K Mixed 43.8
170% 62.2 MB/s
DQ Read 355
DQ Write 165
DQ Mixed 180
154% 233 MB/s
4GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
Read 1,201
Write 175
Mixed 352
124% 576 MB/s
4K Read 34.8
4K Write 84.4
4K Mixed 18.9
122% 46 MB/s
DQ Read 30.6
DQ Write 90
DQ Mixed 56.5
44% 59 MB/s
983 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 3,046,212 SSDs tested.


AmazonUS $115.992 months ago.
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Typical SM951 AHCI PCIe M.2 128GB Builds (Compare 1,361 builds) See popular component choices, score breakdowns and rankings.
Gaming 65%
Battle cruiser
Desktop 95%
Nuclear submarine
Workstation 66%
Battle cruiser

Motherboard: Asrock Z97 Extreme6 - $162

EDIT WITH CUSTOM PC BUILDER Value: 77% - Very good Total price: $1,001

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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AMD Ryzen 7 1700 $280Nvidia GTX 1060-6GB $247Samsung 850 Evo 500GB $167
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Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $696SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $40HyperX Fury DDR4 2133 C14 2x8GB $133SanDisk Ultra Fit 32GB $13
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