Samsung

PM951 NVMe PCIe M.2 512GB

PM951 NVMe PCIe M.2 512GB
BENCHMARKS (7,011)
MKT (0%)
BUILDS
(1)

Effective Speed +42% Effective Speed 42%Average Score +27% Read 105%, Write 23%, 4K Read 5%, 4K Write 24%, Mixed 9%, 4K Mixed -29%, SusWrite 48%Peak Score +29% Read 119%, Write 20%, 4K Read -1%, 4K Write 31%, Mixed 12%, 4K Mixed -26%, SusWrite 48%Value & Sentiment -868%User Rating -14%, Market Share -1,722%Nice To Haves +93% DQ Read 185%, DQ Write 65%, DQ Mixed 84%, ADQ Read 156%, ADQ Write 59%, ADQ Mixed 97%, Age -8%, AS-SSD Total 110%

Average Bench: 140% (168^th of 1072)

Based on 7,011 user benchmarks. Models: NVMe PM951 NVMe SAMSU, PM951 NVMe SAMSUNG 512GB

Poor: 94%Average: 140% Great: 172%

Popular builds with this SSD

Outstanding average bench

The Samsung PM951 NVMe PCIe M.2 512GB averaged 39.9% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung PM951 NVMe PCIe M.2 512GB near the top of the comparison list.

Strengths

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

Avg. 4K-64Thread Read Speed 834MB/s

See where your SSD ranks →

Very poor consistency

The range of scores (95th - 5th percentile) for the Samsung PM951 NVMe PCIe M.2 512GB is 77.7%. This is a particularly wide range which indicates that the Samsung PM951 NVMe PCIe M.2 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 392MB/s

Avg. Sustained Write Speed 440MB/s

Average Bench

(Based on 7,011 samples)

Rank 168140%

Min	Avg	Max
626	Read 938	1,109
195	Write 498	582
266	Mixed 392	473
139	SusWrite 440	572
126% 567 MB/s

Min	Avg	Max
18.4	4K Read 36	42.4
46.2	4K Write 109	160
15.7	4K Mixed 35	46.3
157% 60 MB/s

Min	Avg	Max
374	DQ Read 834	1,045
152	DQ Write 460	592
205	DQ Mixed 513	608
417% 602 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

The fastest SSD (mainstream) averages a speed of 100%

USA-User, 10 days ago.

346GB free (System drive)

Firmware: BXV77D0Q Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 575 558 543 550 553 521 MB/s

173% Outstanding

Write 581

Mixed 427

SusWrite 550

143% 643 MB/s

4K Read 41.7

4K Write 160

4K Mixed 47.6

209% 83.2 MB/s

DQ Read 1,043

DQ Write 593

DQ Mixed 614

512% 750 MB/s

USA-User, 3 days ago.

221GB free (System drive)

Firmware: BXV77D0Q Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 516 472 448 428 410 386 MB/s

153% Outstanding

Write 572

Mixed 391

SusWrite 443

135% 608 MB/s

4K Read 35.1

4K Write 108

4K Mixed 41.7

164% 61.7 MB/s

DQ Read 1,006

DQ Write 578

DQ Mixed 606

501% 730 MB/s

MEX-User, 15 days ago.

293GB free (System drive)

Firmware: BXV77D0Q Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 515 562 534 566 524 548 MB/s

151% Outstanding

Write 572

Mixed 438

SusWrite 541

146% 658 MB/s

4K Read 32.9

4K Write 70.3

4K Mixed 36.3

134% 46.5 MB/s

DQ Read 946

DQ Write 578

DQ Mixed 603

492% 709 MB/s

USA-User, 16 days ago.

385GB free

Firmware: BXV77D0Q Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 569 555 575 577 583 578 MB/s

150% Outstanding

Write 582

Mixed 460

SusWrite 573

139% 624 MB/s

4K Read 35.8

4K Write 93.2

4K Mixed 41.9

157% 57 MB/s

DQ Read 856

DQ Write 590

DQ Mixed 564

464% 670 MB/s

USA-User, 17 hrs ago.

31GB free (System drive)

Firmware: BXV77D0Q Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 366 327 281 221 185 183 MB/s

134% Outstanding

Write 505

Mixed 393

SusWrite 260

119% 539 MB/s

4K Read 30.9

4K Write 111

4K Mixed 36.3

152% 59.3 MB/s

DQ Read 1,012

DQ Write 442

DQ Mixed 550

454% 668 MB/s

FIN-User, 6 days ago.

432GB free (System drive)

Firmware: 7D0Q Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 509 448 560 563 557 533 MB/s

132% Outstanding

Write 576

Mixed 413

SusWrite 528

140% 628 MB/s

4K Read 28.1

4K Write 68

4K Mixed 35.7

124% 43.9 MB/s

DQ Read 544

DQ Write 431

DQ Mixed 479

361% 485 MB/s

DEU-User, 15 days ago.

204GB free (System drive)

Firmware: BXV77D0Q Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 439 425 433 428 435 417 MB/s

131% Outstanding

Write 461

Mixed 388

SusWrite 430

124% 559 MB/s

4K Read 31

4K Write 76.4

4K Mixed 35.2

132% 47.5 MB/s

DQ Read 734

DQ Write 451

DQ Mixed 557

424% 581 MB/s

IND-User, 16 days ago.

437GB free (System drive)

Firmware: BXV77D0Q Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 554 563 559 562 563 558 MB/s

105% Outstanding

Write 561

Mixed 374

SusWrite 560

118% 524 MB/s

4K Read 13.1

4K Write 71.1

4K Mixed 20.1

83% 34.8 MB/s

DQ Read 630

DQ Write 369

DQ Mixed 503

373% 501 MB/s

7,011 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,634,508 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 NVMe PCIe M.2 512GB Builds (Compare 1,707 builds) See popular component choices, score breakdowns and rankings

Gaming 10%

Tree trunk

Desktop 58%

Gunboat

Workstation 10%

Tree trunk

System: Dell XPS 15 9550

CPU
Core i7-6700HQIntelBench 59%, 320,434 samples	1,509x
Core i5-6300HQIntelBench 54%, 41,531 samples	193x
Core i3-6100HIntelBench 56%, 313 samples	5x

GPU
HD 530 (Mobile Skylake)IntelBench 5%, 213,495 samples	1,179x
GTX 960MNvidiaBench 16%, 73,363 samples	504x
GTX 1080-TiNvidia $499Bench 124%, 840,268 samples	4x

SSD
PM951 NVMe PCIe M.2 512GBSamsungBench 140%, 7,011 samples	272x

RAM
HMA41GS6AFR8N-TF 2x8GBHynixBench 70%, 55,289 samples	430x
16ATF1G64HZ-2G1A2 2x8GBMicronBench 69%, 6,021 samples	142x
HMA451S6AFR8N-TF 2x4GBHynixBench 66%, 17,761 samples	108x

EDIT WITH CUSTOM PC BUILDER

Popular PM951 NVMe PCIe M.2 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

CPU

GPU

SSD

HDD

RAM

USB

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]

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.

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 »

CPU	GPU	SSD
Intel Core i5-13600K $273	Nvidia RTX 4060 $300	Crucial MX500 250GB $40
Intel Core i5-12400F $132	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $186	Nvidia RTX 4070 $409	Samsung 860 Evo 250GB $52

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $34	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43	SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51	G.SKILL Trident Z DDR4 3200 C14 4x16GB $351	SanDisk Ultra Fit 32GB $16

Samsung

PM951 NVMe PCIe M.2 512GB

Average Bench: 140% (168^th of 1072)

Popular builds with this SSD

Outstanding average bench

Strengths

Very poor consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Dell XPS 15 9550

Popular PM951 NVMe PCIe M.2 512GB systems:

UserBenchmark of the month

How it works

Group Test Results

Comments

Disliked (edit your comment) Add link

Speed Comparisons

Frequently Asked Questions

Best User Rated

Samsung

PM951 NVMe PCIe M.2 512GB

Average Bench: 140% (168th of 1072)

Popular builds with this SSD

Outstanding average bench

Strengths

Very poor consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Dell XPS 15 9550

Popular PM951 NVMe PCIe M.2 512GB systems:

UserBenchmark of the month

How it works

Group Test Results

Share a related link

Comments

Disliked (edit your comment) Add link

Speed Comparisons

Frequently Asked Questions

Best User Rated

Feedback

Average Bench: 140% (168^th of 1072)