Samsung

PM871a 2.5 7mm 512GB SED

PM871a 2.5 7mm 512GB SED
BENCHMARKS (37)
MKT (0%)
BUILDS
(0)

Effective Speed +1% Effective Speed 1%Average Score -0%Read 1%, Write 8%, 4K Read -7%, 4K Write -27%, Mixed 11%, 4K Mixed -6%, SusWrite 18%Peak Score +6% Read 2%, Write 4%, 4K Read 2%, 4K Write -15%, Mixed 21%, 4K Mixed 2%, SusWrite 24%Value & Sentiment User Rating -14%, Market Share -∞%Nice To Haves +3% DQ Read 4%, DQ Write -1%, DQ Mixed 9%, ADQ Read -6%, ADQ Write 2%, ADQ Mixed 5%, Age 8%, AS-SSD Total 0%

Average Bench: 99% (259^th of 1072)

Based on 37 user benchmarks. Model: SAMSUNG SSD PM871a 2.5 7mm 512GB SED

Poor: 70%Average: 99% Great: 118%

Popular builds with this SSD

Excellent average bench

The Samsung PM871a 2.5 7mm 512GB SED averaged just 1.0% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung PM871a 2.5 7mm 512GB SED near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 272MB/s

Avg. 4K Random Mixed IO Speed 42.4MB/s

See where your SSD ranks →

Average consistency

The range of scores (95th - 5th percentile) for the Samsung PM871a 2.5 7mm 512GB SED is 48%. This is a relatively wide range which indicates that the Samsung PM871a 2.5 7mm 512GB SED performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 351MB/s

Avg. Sequential Mixed IO Speed 400MB/s

Average Bench

(Based on 37 samples)

Rank 25999%

Min	Avg	Max
364	Read 461	516
323	Write 438	505
296	Mixed 400	510
107	SusWrite 351	479
92.8% 412 MB/s

Min	Avg	Max
15.9	4K Read 32.2	43.8
22.3	4K Write 68.8	106
17.6	4K Mixed 42.4	59.7
140% 47.8 MB/s

Min	Avg	Max
24.4	DQ Read 309	380
112	DQ Write 294	355
20.6	DQ Mixed 272	361
212% 292 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

USA-User, 8 months ago.

435GB free (System drive)

Firmware: MAV02D6Q

SusWrite @10s intervals: 354 424 452 474 477 468 MB/s

112% Outstanding

Write 474

Mixed 399

SusWrite 442

101% 449 MB/s

4K Read 39.3

4K Write 72

4K Mixed 48.8

160% 53.4 MB/s

DQ Read 373

DQ Write 330

DQ Mixed 348

262% 351 MB/s

FRA-User, 10 months ago.

304GB free (System drive)

Firmware: 2D6Q

SusWrite @10s intervals: 416 367 402 434 426 375 MB/s

102% Outstanding

Write 448

Mixed 385

SusWrite 403

96% 424 MB/s

4K Read 33.9

4K Write 61

4K Mixed 42.7

138% 45.9 MB/s

DQ Read 379

DQ Write 336

DQ Mixed 355

267% 357 MB/s

CZE-User, 14 months ago.

100GB free (System drive)

Firmware: MAV02D6Q

SusWrite @10s intervals: 421 411 433 416 371 292 MB/s

99.2% Outstanding

Write 452

Mixed 386

SusWrite 391

96% 425 MB/s

4K Read 30.3

4K Write 62.3

4K Mixed 40.2

130% 44.3 MB/s

DQ Read 377

DQ Write 332

DQ Mixed 352

265% 354 MB/s

USA-User, 11 months ago.

321GB free (System drive)

Firmware: MAV02D6Q

SusWrite @10s intervals: 380 312 301 311 299 307 MB/s

95.9% Outstanding

Write 462

Mixed 387

SusWrite 318

92% 412 MB/s

4K Read 32.2

4K Write 58.4

4K Mixed 41

132% 43.9 MB/s

DQ Read 376

DQ Write 340

DQ Mixed 358

269% 358 MB/s

BRA-User, 16 months ago.

437GB free (System drive)

Firmware: MAV02D6Q

SusWrite @10s intervals: 437 424 424 427 426 429 MB/s

91.5% Outstanding

Write 426

Mixed 382

SusWrite 428

95% 420 MB/s

4K Read 25.7

4K Write 42.3

4K Mixed 31.5

102% 33.2 MB/s

DQ Read 379

DQ Write 335

DQ Mixed 353

266% 356 MB/s

CAN-User, 7 months ago.

121GB free (System drive)

Firmware: 2D6Q

SusWrite @10s intervals: 323 104 108 110 96 106 MB/s

62.8% Good

Write 420

Mixed 353

SusWrite 141

74% 331 MB/s

4K Read 23.7

4K Write 35.9

4K Mixed 28

91% 29.2 MB/s

DQ Read 210

DQ Write 210

DQ Mixed 138

124% 186 MB/s

37 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,755,604 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 SED Builds (Compare 5,235 builds) See popular component choices, score breakdowns and rankings

Gaming 31%

Sail boat

Desktop 79%

Battleship

Workstation 27%

Raft

Motherboard: Dell Precision Tower 5810

CPU
Xeon E5-1620 v3IntelBench 72%, 10,197 samples	1,243x
Xeon E5-1650 v3IntelBench 77%, 7,962 samples	958x
Xeon E5-1650 v4IntelBench 83%, 3,842 samples	410x

GPU
Quadro M4000NvidiaBench 32%, 9,043 samples	416x
Quadro K2200Nvidia $440Bench 16%, 13,860 samples	386x
Quadro M2000NvidiaBench 21%, 5,678 samples	287x

SSD
PM871a 2.5 7mm 512GB SEDSamsungBench 99%, 37 samples	1x

RAM
HMA451R7MFR8N-TF 4x4GBHynixBench 90%, 1,961 samples	349x
HMA41GR7MFR8N-TF 4x8GBHynixBench 96%, 1,319 samples	209x
9ASF1G72PZ-2G3B1 4x8GBMicronBench 93%, 857 samples	193x

EDIT WITH CUSTOM PC BUILDER

Popular PM871a 2.5 7mm 512GB SED 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.

UserBenchmark of the month

Gaming

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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 $177	Nvidia RTX 4070 $539	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) $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 SED

Average Bench: 99% (259^th of 1072)

Popular builds with this SSD

Excellent average bench

Strengths

Average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

Motherboard: Dell Precision Tower 5810

Popular PM871a 2.5 7mm 512GB SED compatible motherboards:

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 SED

Average Bench: 99% (259th of 1072)

Popular builds with this SSD

Excellent average bench

Strengths

Average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

Motherboard: Dell Precision Tower 5810

Popular PM871a 2.5 7mm 512GB SED compatible motherboards:

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: 99% (259^th of 1072)