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Nvme

SM951 SAMSU 256GB

▲ 500 ▼

Release date ≈ Q4 2015.

Average Bench: 188% (111th of 1072)

Based on 337 user benchmarks.  Model: NVMe SM951 NVMe SAMSU
Poor: 129%Average: 188% Great: 237%

Popular builds with this SSD

Outstanding average bench

The Nvme SM951 SAMSU 256GB averaged 87.9% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme SM951 SAMSU 256GB near the top of the comparison list.

Strengths

Avg. Sequential Read Speed 1,655MB/s
Avg. 4K-64Thread Mixed IO Speed 232MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Nvme SM951 SAMSU 256GB is 108%. This is a particularly wide range which indicates that the Nvme SM951 SAMSU 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Write Speed 251MB/s
Avg. Sustained Write Speed 661MB/s
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Average Bench

(Based on 337 samples)
Rank 111188%
Min Avg Max
1,038 Read 1,655 1,994
485 Write 932 1,231
501 Mixed 951 1,398
312 SusWrite 661 1,177
233% 1,050 MB/s
Min Avg Max
23.1 4K Read 43.1 51.7
40.4 4K Write 118 193
20.6 4K Mixed 42.1 60.8
182% 67.7 MB/s
Min Avg Max
34.2 DQ Read 492 1,147
88.5 DQ Write 251 386
21.9 DQ Mixed 232 560
210% 325 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
192GB free (System drive)
Firmware: BXW75D0Q Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 1197 1242 1239 1205 1246 1243 MB/s
201% Outstanding
Read 1,335
Write 1,230
Mixed 726
SusWrite 1,229
254% 1,130 MB/s
4K Read 34.2
4K Write 82.6
4K Mixed 43.8
152% 53.5 MB/s
DQ Read 765
DQ Write 369
DQ Mixed 552
413% 562 MB/s
184GB free (System drive)
Firmware: BXW75D0Q Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 1014 1076 1242 1206 1187 1180 MB/s
193% Outstanding
Read 1,239
Write 1,220
Mixed 594
SusWrite 1,151
236% 1,051 MB/s
4K Read 36
4K Write 82.4
4K Mixed 46.4
158% 54.9 MB/s
DQ Read 738
DQ Write 361
DQ Mixed 551
409% 550 MB/s
161GB free (System drive)
Firmware: BXW74D0Q Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 685 649 763 623 580 590 MB/s
148% Outstanding
Read 1,116
Write 895
Mixed 593
SusWrite 648
182% 813 MB/s
4K Read 36.9
4K Write 75.5
4K Mixed 42.5
150% 51.6 MB/s
DQ Read 493
DQ Write 298
DQ Mixed 392
293% 394 MB/s
22GB free (System drive)
Firmware: 4D0Q Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 193 157 146 147 146 142 MB/s
141% Outstanding
Read 1,266
Write 351
Mixed 549
SusWrite 155
127% 580 MB/s
4K Read 40.8
4K Write 123
4K Mixed 46
186% 69.9 MB/s
DQ Read 898
DQ Write 202
DQ Mixed 342
305% 481 MB/s
25GB free (System drive)
Firmware: 4D0Q Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 213 177 179 174 178 159 MB/s
138% Outstanding
Read 1,202
Write 372
Mixed 526
SusWrite 180
125% 570 MB/s
4K Read 36.6
4K Write 129
4K Mixed 43.5
180% 69.8 MB/s
DQ Read 902
DQ Write 220
DQ Mixed 350
312% 491 MB/s
337 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,647,178 SSDs tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical SM951 SAMSU 256GB Builds (Compare 3,246 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 12%
Tree trunk
Desktop
Desktop 70%
Battleship
Workstation
Workstation 11%
Tree trunk

Motherboard: Dell Precision Tower 3620

CPU
Core i7-6700Intel  $180Bench 72%, 282,363 samples838x
Core i7-7700Intel  $167Bench 76%, 256,717 samples526x
Core i7-7700KIntel  $250Bench 84%, 712,312 samples265x
GPU
HD 530 (Desktop Skylake)IntelBench 5%, 188,220 samples324x
HD 630 (Desktop Kaby Lake)IntelBench 5%, 153,031 samples246x
Quadro M2000NvidiaBench 21%, 5,678 samples205x
SSD
SM951 SAMSU 256GBNvmeBench 188%, 337 samples1x
RAM
HMA41GU6AFR8N-TF 2x8GBUnknownBench 72%, 2,345 samples205x
HMA81GU6AFR8N-UH 2x8GBUnknownBench 73%, 3,256 samples175x
HMA41GU6AFR8N-TF 4x8GBUnknownBench 72%, 714 samples125x
EDIT WITH CUSTOM PC BUILDER Value: 82% - Excellent Total price: $180

Popular SM951 SAMSU 256GB compatible motherboards:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute

Welcome to our 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 value for money upgrades.

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Gaming Desktop ProGaming

How it works

  • - Download and run UserBenchmark
  • - CPU tests include: integer, floating and string
  • - GPU tests include: six 3D game simulations
  • - Drive tests include: read, write, sustained write and mixed IO
  • - RAM tests include: single/multi core bandwidth and latency
  • - SkillBench (space shooter) tests user input accuracy
  • - Reports are generated and presented on userbenchmark.com
  • - Identify the strongest components in your PC
  • - See speed test results from other users
  • - Compare your components to the current market leaders
  • - Explore your best upgrade options with a virtual PC build
  • - Compare your in-game FPS to other users with your hardware
Solid State Drive Rankings (Price vs Performance) April 2024 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.

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1072 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

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
What is queue depth?
Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
What is the effective SSD speed index?
How is the AS SSD write score calculated?
How is the AS SSD read score calculated?
How is the AS SSD total score calculated?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $275Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $134Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $184Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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