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Nvme

PM951 SAMSUNG 512GB

▲ 500 ▼

Release date ≈ Q2 2021.

Average Bench: 142% (166th of 1072)

Based on 25 user benchmarks.  Model: NVMe PM951 NVMe SAMSUNG 512GB
Poor: 111%Average: 142% Great: 183%

Popular builds with this SSD

Outstanding average bench

The Nvme PM951 SAMSUNG 512GB averaged 41.5% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme PM951 SAMSUNG 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 513MB/s
Avg. 4K-64Thread Read Speed 837MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the Nvme PM951 SAMSUNG 512GB is 71.5%. This is a particularly wide range which indicates that the Nvme PM951 SAMSUNG 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 391MB/s
Avg. Sustained Write Speed 488MB/s
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Average Bench

(Based on 25 samples)
Rank 166142%
Min Avg Max
477 Read 889 1,097
145 Write 528 586
107 Mixed 391 465
128 SusWrite 488 580
128% 574 MB/s
Min Avg Max
7.4 4K Read 34.4 43.9
5.6 4K Write 115 186
16.2 4K Mixed 38.1 49.7
162% 62.5 MB/s
Min Avg Max
413 DQ Read 837 1,047
135 DQ Write 445 598
257 DQ Mixed 513 617
416% 599 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
158GB free
Firmware: BXV77D0Q Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 478 354 303 270 234 192 MB/s
134% Outstanding
Read 793
Write 562
Mixed 389
SusWrite 305
114% 512 MB/s
4K Read 29.1
4K Write 136
4K Mixed 36.3
163% 67.1 MB/s
DQ Read 1,012
DQ Write 571
DQ Mixed 617
506% 733 MB/s
390GB free (System drive)
Firmware: BXV77D0Q Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 517 517 550 563 561 560 MB/s
118% Outstanding
Read 700
Write 521
Mixed 294
SusWrite 545
115% 515 MB/s
4K Read 24.2
4K Write 78.6
4K Mixed 27.5
114% 43.4 MB/s
DQ Read 602
DQ Write 414
DQ Mixed 470
361% 495 MB/s
145GB free
Firmware: BXV77D0Q Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 331 308 300 310 309 292 MB/s
115% Outstanding
Read 734
Write 359
Mixed 342
SusWrite 308
96% 436 MB/s
4K Read 34.7
4K Write 98.7
4K Mixed 38.9
155% 57.4 MB/s
DQ Read 597
DQ Write 289
DQ Mixed 504
358% 463 MB/s
51GB free
Firmware: BXV77D0Q Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 190 174 173 168 165 143 MB/s
112% Outstanding
Read 836
Write 246
Mixed 300
SusWrite 169
85% 388 MB/s
4K Read 30.2
4K Write 141
4K Mixed 13.5
138% 61.5 MB/s
DQ Read 1,028
DQ Write 298
DQ Mixed 470
397% 599 MB/s
268GB free
Firmware: BXV76D0Q Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 585 581 583 571 581 568 MB/s
111% Outstanding
Read 686
Write 574
Mixed 391
SusWrite 578
125% 557 MB/s
4K Read 13.2
4K Write 62.1
4K Mixed 28.9
90% 34.7 MB/s
DQ Read 500
DQ Write 409
DQ Mixed 434
331% 448 MB/s
25 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,800,357 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 PM951 SAMSUNG 512GB Builds (Compare 782 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 9%
Tree trunk
Desktop
Desktop 46%
Yacht
Workstation
Workstation 8%
Tree trunk

System: Dell XPS 13 9350

CPU
Core i5-6200UIntelBench 41%, 135,462 samples319x
Core i7-6560UIntelBench 52%, 3,670 samples271x
Core i7-6500UIntelBench 46%, 102,213 samples145x
GPU
HD 520 (Mobile Skylake)IntelBench 4%, 362,113 samples510x
Iris Graphics 540IntelBench 7%, 6,448 samples266x
Iris 540 (Mobile Skylake)IntelBench 8%, 4,591 samples5x
SSD
PM951 SAMSUNG 512GBNvmeBench 142%, 25 samples1x
RAM
EDFA232A2MA-JD-F-R 2x4GBElpidaBench 62%, 2,139 samples268x
H9CCNNNBJTMLAR-NUD 2x4GBHynixBench 58%, 6,118 samples239x
H9CCNNNCLTMLAR-NUD 2x8GBHynixBench 62%, 2,527 samples116x
EDIT WITH CUSTOM PC BUILDER

Popular PM951 SAMSUNG 512GB systems:

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.

UserBenchmark of the month

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) May 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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Speed Comparisons

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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 $254Nvidia RTX 4060 $300Crucial MX500 250GB $39
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $163Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $31Corsair Vengeance LPX DDR4 3000 C15 2x8GB $37SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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