Average Bench: 179% (58th of 959)

Based on 3,918 user benchmarks.  Models: SAMSUNG MZHPV256HDGL-00000, SAMSUNG MZHPV256HDGL-000L1

Outstanding average bench

The Samsung SM951 AHCI PCIe M.2 256GB averaged 79.2% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung SM951 AHCI PCIe M.2 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 385MB/s
Avg. Sequential Read Speed 1,385MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung SM951 AHCI PCIe M.2 256GB is 101%. This is a particularly wide range which indicates that the Samsung SM951 AHCI PCIe M.2 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Write Speed 318MB/s
Avg. 4K Random Write Speed 111MB/s
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Average Bench

(Based on 3,918 samples)
Min Avg Max
725 Read 1,385 1,957
559 Write 981 1,216
489 Mixed 781 1,364
322 SusWrite 764 1,171
218% 978 MB/s
Min Avg Max
25.7 4K Read 43.6 46.8
52.6 4K Write 111 152
24.1 4K Mixed 46.4 59.5
184% 67 MB/s
Min Avg Max
39.6 DQ Read 514 700
121 DQ Write 318 393
26.6 DQ Mixed 385 531
295% 406 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
237GB free
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1190 1184 1082 1191 1192 1190 MB/s
Read 1,475
Write 1196
Mixed 922
SusWrite 1,172
267% 1,191 MB/s
4K Read 43.6
4K Write 132
4K Mixed 56.3
208% 77.2 MB/s
DQ Read 697
DQ Write 388
DQ Mixed 528
396% 538 MB/s
163GB free (System drive)
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 1166 1103 1164 960 1025 1004 MB/s
Read 1,417
Write 1,224
Mixed 799
SusWrite 1,070
253% 1,128 MB/s
4K Read 37.1
4K Write 158
4K Mixed 44.8
197% 79.9 MB/s
DQ Read 689
DQ Write 375
DQ Mixed 460
361% 508 MB/s
162GB free (System drive)
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 856 1062 1054 972 952 910 MB/s
Read 1,271
Write 1182
Mixed 687
SusWrite 968
230% 1,027 MB/s
4K Read 36.7
4K Write 118
4K Mixed 46.9
178% 67 MB/s
DQ Read 615
DQ Write 370
DQ Mixed 512
376% 499 MB/s
75GB free (System drive)
Firmware: BXW2500Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 841 812 601 461 468 450 MB/s
Read 1,544
Write 1,089
Mixed 778
SusWrite 606
223% 1,004 MB/s
4K Read 42.8
4K Write 126
4K Mixed 55.2
202% 74.5 MB/s
DQ Read 43.9
DQ Write 373
DQ Mixed 388
246% 268 MB/s
3,918 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 9,162,958 SSDs tested.

 Prices

AmazonUS $2205 days
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EDIT WITH CUSTOM PC BUILDER Value: 97% - Outstanding Total price: $220

Popular SM951 AHCI PCIe M.2 256GB 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) October 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

959 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 $370Nvidia GTX 1070 $345Samsung 850 Evo 250GB $100
AMD Ryzen 5 1600 $155Nvidia GTX 1060-6GB $249Samsung 850 Evo 500GB $98
Intel Core i7-7700K $350AMD RX 480 $280Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $869SanDisk Extreme 64GB $42
Seagate Barracuda 3TB (2016) $80Corsair Vengeance LPX DDR4 3000 C15 2x8GB $148SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $145SanDisk Ultra Fit 32GB $12
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