Average Bench: 192% (24th of 869)

Based on 2,035 user benchmarks.  Models: SAMSUNG MZHPV512HDGL-00000, SAMSUNG MZHPV512HDGL-000L1

Outstanding average bench

The Samsung SM951 AHCI PCIe M.2 512GB averaged 92.1% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung SM951 AHCI PCIe M.2 512GB near the top of the comparison list.

Strengths

Avg. Sequential Read Speed 1,662MB/s
Avg. Sequential Mixed IO Speed 1,279MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SM951 AHCI PCIe M.2 512GB is 114%. This is a particularly wide range which indicates that the Samsung SM951 AHCI PCIe M.2 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 230MB/s
Avg. 4K-64Thread Write Speed 234MB/s
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Average Bench

(Based on 2,035 samples)
Min Avg Max
769 Read 1,662 2,005
614 Write 1,098 1,525
721 Mixed 1,279 1,669
298% 1,346 MB/s
Min Avg Max
22 4K Read 39.7 44.8
35.6 4K Write 99.6 143
18.9 4K Mixed 37.1 54.6
160% 58.8 MB/s
Min Avg Max
29.6 DQ Read 230 537
72.8 DQ Write 234 378
18.3 DQ Mixed 102 222
112% 188 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
385GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,998
Write 1,530
Mixed 1,656
384% 1,728 MB/s
4K Read 33
4K Write 129
4K Mixed 55.1
189% 72.5 MB/s
DQ Read 437
DQ Write 358
DQ Mixed 199
203% 331 MB/s
121GB free
Firmware: BXW25L0Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 2,015
Write 1,263
Mixed 1,395
345% 1,558 MB/s
4K Read 35.1
4K Write 129
4K Mixed 54.5
191% 72.7 MB/s
DQ Read 521
DQ Write 383
DQ Mixed 251
242% 385 MB/s
352GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,844
Write 1,331
Mixed 1,528
348% 1,567 MB/s
4K Read 36
4K Write 138
4K Mixed 45.7
186% 73.4 MB/s
DQ Read 380
DQ Write 370
DQ Mixed 21.7
113% 257 MB/s
338GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,917
Write 1,284
Mixed 1,478
346% 1,560 MB/s
4K Read 32
4K Write 94.6
4K Mixed 26.6
133% 51.1 MB/s
DQ Read 307
DQ Write 290
DQ Mixed 151
154% 250 MB/s
119GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,989
Write 1,046
Mixed 1,155
308% 1,397 MB/s
4K Read 43.7
4K Write 124
4K Mixed 30.9
171% 66.2 MB/s
DQ Read 44.6
DQ Write 265
DQ Mixed 141
113% 150 MB/s
24GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SYSTEM NCQ 4KALIGNED SSD TRIM S.M.A.R.T
Read 1,457
Write 1,246
Mixed 1,393
305% 1,365 MB/s
4K Read 31.1
4K Write 95.4
4K Mixed 40.2
149% 55.6 MB/s
DQ Read 333
DQ Write 323
DQ Mixed 165
169% 274 MB/s
2,035 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 5,263,903 SSDs tested.

 Prices

AmazonUS $2902 months
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Typical SM951 AHCI PCIe M.2 512GB Builds (Compare 275 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 15%
Tree trunk
Desktop
Desktop 73%
Battleship
Workstation
Workstation 42%
Speed boat

System: Asus N501JW

EDIT WITH CUSTOM PC BUILDER Value: 142% - Outstanding Total price: $290

Popular SM951 AHCI PCIe M.2 512GB systems:

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Solid State Drive Rankings (Price vs Performance) January 2018 SSD Rankings.

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.

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