Samsung

PM871a 2.5 7mm 512GB

PM871a 2.5 7mm 512GB
BENCHMARKS (205)
MKT (0%)
BUILDS
(0)

Effective Speed -0%Effective Speed -0%Average Score -1%Read -1%, Write 2%, 4K Read -5%, 4K Write -18%, Mixed 4%, 4K Mixed -5%, SusWrite 14%Peak Score +8% Read 1%, Write 2%, 4K Read 7%, 4K Write -0%, Mixed 19%, 4K Mixed 10%, SusWrite 21%Value & Sentiment User Rating -14%, Market Share -∞%Nice To Haves +2% DQ Read 5%, DQ Write -4%, DQ Mixed 9%, ADQ Read -1%, ADQ Write -2%, ADQ Mixed 3%, Age 5%, AS-SSD Total 2%

Average Bench: 98.4% (262^nd of 1072)

Based on 205 user benchmarks. Model: SAMSUNG SSD PM871a 2.5 7mm 512GB

Poor: 65%Average: 98.4% Great: 126%

Popular builds with this SSD

Excellent average bench

The Samsung PM871a 2.5 7mm 512GB averaged just 1.6% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung PM871a 2.5 7mm 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 268MB/s

Avg. 4K Random Mixed IO Speed 43MB/s

See where your SSD ranks →

Poor consistency

The range of scores (95th - 5th percentile) for the Samsung PM871a 2.5 7mm 512GB is 61.5%. This is a particularly wide range which indicates that the Samsung PM871a 2.5 7mm 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 337MB/s

Avg. Sequential Mixed IO Speed 374MB/s

Average Bench

(Based on 205 samples)

Rank 26298.4%

Min	Avg	Max
339	Read 451	511
247	Write 414	494
249	Mixed 374	505
129	SusWrite 337	467
88.6% 394 MB/s

Min	Avg	Max
16.4	4K Read 32.8	46
29.6	4K Write 74.2	122
21.4	4K Mixed 43	64.1
144% 50 MB/s

Min	Avg	Max
39.5	DQ Read 322	385
98	DQ Write 284	346
31.9	DQ Mixed 268	362
210% 291 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

EGY-User, 18 days ago.

420GB free

Firmware: 2D0Q

SusWrite @10s intervals: 169 439 465 451 444 451 MB/s

116% Outstanding

Write 448

Mixed 376

SusWrite 403

95% 420 MB/s

4K Read 41.2

4K Write 94.7

4K Mixed 55.4

184% 63.8 MB/s

DQ Read 377

DQ Write 339

DQ Mixed 355

267% 357 MB/s

CAN-User, 28 days ago.

476GB free

Firmware: MAV02D0Q

SusWrite @10s intervals: 467 470 467 464 464 464 MB/s

113% Outstanding

Write 433

Mixed 372

SusWrite 466

99% 438 MB/s

4K Read 37.9

4K Write 75.6

4K Mixed 48

159% 53.8 MB/s

DQ Read 374

DQ Write 332

DQ Mixed 350

264% 352 MB/s

USA-User, 3 days ago.

351GB free

Firmware: MAV02D0Q

SusWrite @10s intervals: 452 450 450 451 451 451 MB/s

112% Outstanding

Write 424

Mixed 362

SusWrite 451

95% 421 MB/s

4K Read 39.3

4K Write 76.7

4K Mixed 50

164% 55.3 MB/s

DQ Read 368

DQ Write 319

DQ Mixed 342

257% 343 MB/s

USA-User, 2 months ago.

35GB free (System drive)

Firmware: MAV02D0Q

SusWrite @10s intervals: 299 103 96 90 104 81 MB/s

102% Outstanding

Write 456

Mixed 379

SusWrite 129

80% 358 MB/s

4K Read 42.1

4K Write 100

4K Mixed 56.8

190% 66.5 MB/s

DQ Read 379

DQ Write 329

DQ Mixed 354

265% 354 MB/s

GBR-User, 3 months ago.

146GB free

Firmware: MAV02D0Q

SusWrite @10s intervals: 274 397 401 392 400 415 MB/s

98.8% Outstanding

Write 431

Mixed 395

SusWrite 380

93% 413 MB/s

4K Read 34.5

4K Write 57.4

4K Mixed 43.4

138% 45.1 MB/s

DQ Read 347

DQ Write 299

DQ Mixed 326

243% 324 MB/s

USA-User, 1 month ago.

438GB free (System drive)

Firmware: MAV02D0Q

SusWrite @10s intervals: 343 337 379 318 304 285 MB/s

93.5% Outstanding

Write 373

Mixed 318

SusWrite 328

82% 364 MB/s

4K Read 31

4K Write 58.3

4K Mixed 41.4

131% 43.6 MB/s

DQ Read 359

DQ Write 312

DQ Mixed 336

252% 336 MB/s

DEU-User, 8 days ago.

148GB free

Firmware: MAV02D0Q

SusWrite @10s intervals: 414 334 319 302 298 278 MB/s

92.5% Outstanding

Write 396

Mixed 360

SusWrite 324

84% 376 MB/s

4K Read 32.7

4K Write 54.8

4K Mixed 38.7

128% 42.1 MB/s

DQ Read 377

DQ Write 337

DQ Mixed 357

268% 357 MB/s

HUN-User, 1 month ago.

185GB free (System drive)

Firmware: MAV02D0Q

SusWrite @10s intervals: 360 356 365 368 354 339 MB/s

88.2% Excellent

Write 390

Mixed 329

SusWrite 357

85% 378 MB/s

4K Read 24.6

4K Write 52.6

4K Mixed 34.6

110% 37.3 MB/s

DQ Read 363

DQ Write 292

DQ Mixed 318

241% 324 MB/s

CHE-User, 3 months ago.

139GB free

Firmware: MAV02D0Q

SusWrite @10s intervals: 388 216 204 203 201 201 MB/s

82.5% Excellent

Write 410

Mixed 354

SusWrite 235

80% 357 MB/s

4K Read 26.7

4K Write 54.3

4K Mixed 35.7

115% 38.9 MB/s

DQ Read 371

DQ Write 303

DQ Mixed 331

250% 335 MB/s

205 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,732,898 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 PM871a 2.5 7mm 512GB Builds (Compare 1,257 builds) See popular component choices, score breakdowns and rankings

Gaming 10%

Tree trunk

Desktop 58%

Gunboat

Workstation 10%

Tree trunk

System: Dell Precision 7710

CPU
Core i7-6820HQIntelBench 60%, 33,920 samples	744x
Core i7-6920HQIntelBench 70%, 3,282 samples	253x
Xeon E3-1535M v5IntelBench 69%, 1,588 samples	105x

GPU
HD 530 (Mobile Skylake)IntelBench 5%, 213,495 samples	600x
Quadro M3000MNvidiaBench 27%, 1,726 samples	239x
Quadro M4000MNvidiaBench 34%, 731 samples	128x

SSD
PM871a 2.5 7mm 512GBSamsungBench 98%, 205 samples	1x

RAM
HMA82GS6MFR8N-TF 2x16GBHynixBench 69%, 5,073 samples	147x
HMA41GS6AFR8N-TF 2x8GBHynixBench 70%, 55,289 samples	106x
16ATF2G64HZ-2G1B1 2x16GBMicronBench 69%, 1,506 samples	71x

EDIT WITH CUSTOM PC BUILDER

Popular PM871a 2.5 7mm 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

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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 $269	Nvidia RTX 4060 $295	Crucial MX500 250GB $40
Intel Core i5-12400F $133	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $178	Nvidia RTX 4070 $539	Samsung 860 Evo 250GB $52

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37	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

PM871a 2.5 7mm 512GB

Average Bench: 98.4% (262^nd of 1072)

Popular builds with this SSD

Excellent average bench

Strengths

Poor consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Dell Precision 7710

Popular PM871a 2.5 7mm 512GB systems:

UserBenchmark of the month

How it works

Group Test Results

Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Samsung

PM871a 2.5 7mm 512GB

Average Bench: 98.4% (262nd of 1072)

Popular builds with this SSD

Excellent average bench

Strengths

Poor consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Dell Precision 7710

Popular PM871a 2.5 7mm 512GB systems:

UserBenchmark of the month

How it works

Group Test Results

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Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

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Average Bench: 98.4% (262^nd of 1072)