Samsung

PM871b 2.5 7mm 256GB

PM871b 2.5 7mm 256GB
BENCHMARKS (1,320)
MKT (0%)
BUILDS
(0)

Effective Speed -10%Effective Speed -10%Average Score -11%Read -5%, Write -5%, 4K Read -9%, 4K Write -25%, Mixed -1%, 4K Mixed -9%, SusWrite -24%Peak Score -6%Read -2%, Write -1%, 4K Read -1%, 4K Write -14%, Mixed -2%, 4K Mixed -1%, SusWrite -19%Value & Sentiment -868%User Rating -14%, Market Share -1,722%Nice To Haves +7% DQ Read 5%, DQ Write -1%, DQ Mixed 10%, ADQ Read 4%, ADQ Write 2%, ADQ Mixed 16%, Age 20%, AS-SSD Total 0%

Average Bench: 89.1% (344^th of 1072)

Based on 1,320 user benchmarks. Model: SAMSUNG SSD PM871b 2.5 7mm 256GB

Poor: 60%Average: 89.1% Great: 114%

Popular builds with this SSD

Very good average bench

The Samsung PM871b 2.5 7mm 256GB averaged just 10.8% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung PM871b 2.5 7mm 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 302MB/s

Avg. 4K Random Mixed IO Speed 41.4MB/s

See where your SSD ranks →

Below average consistency

The range of scores (95th - 5th percentile) for the Samsung PM871b 2.5 7mm 256GB is 54.3%. This is a relatively wide range which indicates that the Samsung PM871b 2.5 7mm 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 240MB/s

Avg. Sequential Mixed IO Speed 356MB/s

Average Bench

(Based on 1,320 samples)

Rank 34489.1%

Min	Avg	Max
333	Read 434	495
239	Write 387	478
234	Mixed 356	413
95.2	SusWrite 240	325
79.5% 354 MB/s

Min	Avg	Max
14.8	4K Read 31.4	42.7
31	4K Write 70.2	107
20.9	4K Mixed 41.4	57.6
138% 47.6 MB/s

Min	Avg	Max
179	DQ Read 341	384
107	DQ Write 295	353
116	DQ Mixed 302	365
231% 313 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

GBR-User, 18 days ago.

36GB free

Firmware: MVT03D0Q

SusWrite @10s intervals: 339 196 182 161 150 129 MB/s

109% Outstanding

Write 493

Mixed 417

SusWrite 193

90% 401 MB/s

4K Read 43.2

4K Write 104

4K Mixed 57.8

194% 68.3 MB/s

DQ Read 385

DQ Write 362

DQ Mixed 370

278% 372 MB/s

USA-User, 21 days ago.

158GB free (System drive)

Firmware: MVT02D0Q

SusWrite @10s intervals: 337 328 314 314 315 314 MB/s

93.1% Outstanding

Write 384

Mixed 357

SusWrite 320

83% 371 MB/s

4K Read 32.8

4K Write 61.6

4K Mixed 41.8

136% 45.4 MB/s

DQ Read 347

DQ Write 292

DQ Mixed 315

237% 318 MB/s

GBR-User, 16 days ago.

205GB free (System drive)

Firmware: MVT03D0Q

SusWrite @10s intervals: 341 300 305 307 300 298 MB/s

82.9% Excellent

Write 346

Mixed 336

SusWrite 308

79% 351 MB/s

4K Read 25.7

4K Write 41.9

4K Mixed 33.1

104% 33.6 MB/s

DQ Read 362

DQ Write 317

DQ Mixed 331

250% 337 MB/s

USA-User, 16 days ago.

164GB free (System drive)

Firmware: MVT03D0Q

SusWrite @10s intervals: 334 293 300 298 307 301 MB/s

65.9% Good

Write 371

Mixed 330

SusWrite 306

77% 343 MB/s

4K Read 14.7

4K Write 29

4K Mixed 23.6

68% 22.4 MB/s

DQ Read 300

DQ Write 193

DQ Mixed 248

184% 247 MB/s

GBR-User, 1 month ago.

23GB free (System drive)

Firmware: MVT02D0Q

SusWrite @10s intervals: 130 132 114 134 114 135 MB/s

58% Above average

Write 351

Mixed 310

SusWrite 126

65% 288 MB/s

4K Read 24.3

4K Write 49.8

4K Mixed 31.5

104% 35.2 MB/s

DQ Read 38.7

DQ Write 102

DQ Mixed 52.7

45% 64.6 MB/s

1,320 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,664,589 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 PM871b 2.5 7mm 256GB Builds (Compare 488 builds) See popular component choices, score breakdowns and rankings

Gaming 7%

Tree trunk

Desktop 54%

Yacht

Workstation 6%

Tree trunk

System: Dell Inspiron 5379

CPU
Core i7-8550UIntelBench 53%, 184,356 samples	255x
Core i5-8250UIntelBench 53%, 234,942 samples	233x

GPU
UHD Graphics 620 (Mobile Kaby Lake R)IntelBench 5%, 420,154 samples	488x

SSD
PM871b 2.5 7mm 256GBSamsungBench 89%, 1,320 samples	37x

RAM
HMA81GS6AFR8N-UH 1x8GBUnknownBench 37%, 41,676 samples	129x
8ATF1G64HZ-2G3E1 1x8GBUnknownBench 38%, 4,547 samples	35x
M471A1K43CB1-CRC 1x8GBSamsungBench 37%, 122,420 samples	28x

EDIT WITH CUSTOM PC BUILDER

Popular PM871b 2.5 7mm 256GB 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.

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- 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
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- See speed test results from other users
- Compare your components to the current market leaders
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- 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 $134	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

PM871b 2.5 7mm 256GB

Average Bench: 89.1% (344^th of 1072)

Popular builds with this SSD

Very good average bench

Strengths

Below average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Dell Inspiron 5379

Popular PM871b 2.5 7mm 256GB systems:

UserBenchmark of the month

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Best User Rated

Samsung

PM871b 2.5 7mm 256GB

Average Bench: 89.1% (344th of 1072)

Popular builds with this SSD

Very good average bench

Strengths

Below average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Dell Inspiron 5379

Popular PM871b 2.5 7mm 256GB systems:

UserBenchmark of the month

How it works

Group Test Results

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Average Bench: 89.1% (344^th of 1072)