Samsung

PM951 NVMe PCIe M.2 512GB

PM951 NVMe PCIe M.2 512GB
BENCHMARKS (1,440)
MKT (0%)
BUILDS
(0)

Effective Speed +49% Effective Speed 49%Average Score +32% Read 115%, Write 22%, 4K Read 15%, 4K Write 32%, Mixed 10%, 4K Mixed -18%, SusWrite 44%Peak Score +30% Read 122%, Write 21%, 4K Read -3%, 4K Write 30%, Mixed 12%, 4K Mixed -23%, SusWrite 49%Value & Sentiment User Rating -14%, Market Share -∞%Nice To Haves +99% DQ Read 183%, DQ Write 64%, DQ Mixed 84%, ADQ Read 177%, ADQ Write 66%, ADQ Mixed 105%, Age 2%, AS-SSD Total 109%

Average Bench: 147% (160^th of 1072)

Based on 1,440 user benchmarks. Model: SAMSUNG MZVLV512HCJH-00000

Poor: 99%Average: 147% Great: 175%

Popular builds with this SSD

Outstanding average bench

The Samsung PM951 NVMe PCIe M.2 512GB averaged 46.8% 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 534MB/s

Avg. 4K-64Thread Read Speed 904MB/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 76.1%. 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 396MB/s

Avg. Sustained Write Speed 428MB/s

Average Bench

(Based on 1,440 samples)

Rank 160147%

Min	Avg	Max
676	Read 984	1,124
193	Write 494	585
278	Mixed 396	476
129	SusWrite 428	575
127% 575 MB/s

Min	Avg	Max
20.5	4K Read 39.5	41.9
44.1	4K Write 116	159
17.5	4K Mixed 38	47.2
170% 64.6 MB/s

Min	Avg	Max
533	DQ Read 904	1,039
166	DQ Write 480	587
259	DQ Mixed 534	608
439% 639 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

NOR-User, 1 month ago.

141GB free (System drive)

Firmware: BXV7000Q Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 339 325 330 346 315 306 MB/s

152% Outstanding

Write 474

Mixed 425

SusWrite 327

124% 562 MB/s

4K Read 39.3

4K Write 138

4K Mixed 45

190% 74.1 MB/s

DQ Read 1,038

DQ Write 457

DQ Mixed 571

470% 689 MB/s

SWE-User, 14 days ago.

127GB free (System drive)

Firmware: BXV7 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 230 217 209 191 222 210 MB/s

151% Outstanding

Write 234

Mixed 353

SusWrite 213

105% 482 MB/s

4K Read 39.7

4K Write 163

4K Mixed 45.5

205% 82.6 MB/s

DQ Read 998

DQ Write 400

DQ Mixed 521

433% 640 MB/s

GBR-User, 15 days ago.

435GB free (System drive)

Firmware: BXV7000Q Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 571 572 572 571 570 570 MB/s

145% Outstanding

Write 576

Mixed 438

SusWrite 571

138% 621 MB/s

4K Read 29.3

4K Write 80.9

4K Mixed 38.1

136% 49.4 MB/s

DQ Read 865

DQ Write 579

DQ Mixed 591

476% 678 MB/s

USA-User, 1 month ago.

339GB free (System drive)

Firmware: BXV7000Q Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 563 574 571 575 575 575 MB/s

138% Outstanding

Write 586

Mixed 422

SusWrite 572

143% 644 MB/s

4K Read 29.6

4K Write 77.9

4K Mixed 32.8

128% 46.8 MB/s

DQ Read 702

DQ Write 388

DQ Mixed 488

378% 526 MB/s

GBR-User, 1 month ago.

46GB free (System drive)

Firmware: BXV7000Q Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 394 168 173 174 173 172 MB/s

136% Outstanding

Write 548

Mixed 422

SusWrite 209

118% 532 MB/s

4K Read 37.6

4K Write 114

4K Mixed 43.5

173% 65 MB/s

DQ Read 916

DQ Write 561

DQ Mixed 608

488% 695 MB/s

SWE-User, 2 months ago.

54GB free (System drive)

Firmware: BXV7000Q Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 330 267 214 197 193 178 MB/s

133% Outstanding

Write 472

Mixed 377

SusWrite 230

114% 518 MB/s

4K Read 34

4K Write 106

4K Mixed 38.9

158% 59.7 MB/s

DQ Read 991

DQ Write 433

DQ Mixed 557

454% 660 MB/s

USA-User, 6 days ago.

71GB free (System drive)

Firmware: BXV7000Q Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 572 557 508 456 364 296 MB/s

127% Outstanding

Write 570

Mixed 394

SusWrite 459

131% 589 MB/s

4K Read 30.4

4K Write 73.5

4K Mixed 33.6

128% 45.8 MB/s

DQ Read 635

DQ Write 365

DQ Mixed 476

361% 492 MB/s

GBR-User, 2 months ago.

70GB free (System drive)

Firmware: BXV7000Q Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 258 226 217 212 204 193 MB/s

124% Outstanding

Write 352

Mixed 366

SusWrite 218

102% 465 MB/s

4K Read 33

4K Write 85.8

4K Mixed 38.4

145% 52.4 MB/s

DQ Read 914

DQ Write 420

DQ Mixed 553

440% 629 MB/s

1,440 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,665,264 SSDs tested

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

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CPU

GPU

SSD

HDD

RAM

MBD

Typical PM951 NVMe PCIe M.2 512GB Builds (Compare 4,020 builds) See popular component choices, score breakdowns and rankings

Gaming 12%

Tree trunk

Desktop 69%

Battle cruiser

Workstation 12%

Tree trunk

System: Razer Blade

CPU
Core i7-8750HIntelBench 70%, 442,631 samples	2,059x
Core i7-9750HIntelBench 73%, 328,182 samples	1,066x
Core i7-7700HQIntelBench 62%, 473,208 samples	469x

GPU
UHD Graphics 630IntelBench 5%, 506,702 samples	1,444x
RTX 2070 (Mobile Max-Q)NvidiaBench 79%, 10,818 samples	595x
GTX 1060 (Mobile Max-Q)NvidiaBench 43%, 36,643 samples	397x

SSD
PM951 NVMe PCIe M.2 512GBSamsungBench 147%, 1,440 samples	1x

RAM
M471A1K43CB1-CTD 2x8GBSamsungBench 76%, 108,106 samples	1,752x
M471A1K43DB1-CTD 2x8GBSamsungBench 76%, 43,895 samples	371x
M471A5244BB0-CRC 2x8GBSamsungBench 72%, 2,214 samples	290x

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

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CPU

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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 $279	Nvidia RTX 4060 $300	Crucial MX500 250GB $40
Intel Core i5-12400F $133	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $182	Nvidia RTX 4070 $409	Samsung 860 Evo 250GB $52

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30	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: 147% (160^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: Razer Blade

Popular PM951 NVMe PCIe M.2 512GB systems:

UserBenchmark of the month

How it works

Group Test Results

Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Samsung

PM951 NVMe PCIe M.2 512GB

Average Bench: 147% (160th 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: Razer Blade

Popular PM951 NVMe PCIe M.2 512GB systems:

UserBenchmark of the month

How it works

Group Test Results

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Speed Comparisons

Frequently Asked Questions

Best User Rated

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Average Bench: 147% (160^th of 1072)