TEST
YOUR SSD
ADD TO PC
BUILD

Samsung

PM871b 2.5 7mm 512GB

▲ 500 ▼

Release date ≈ Q4 2017.

Average Bench: 96.9% (267th of 1072)

Based on 796 user benchmarks.  Model: SAMSUNG SSD PM871b 2.5 7mm 512GB
Poor: 66%Average: 96.9% Great: 124%

Popular builds with this SSD

Excellent average bench

The Samsung PM871b 2.5 7mm 512GB averaged just 3.0% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung PM871b 2.5 7mm 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 305MB/s
Avg. 4K Random Mixed IO Speed 42.4MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Samsung PM871b 2.5 7mm 512GB is 58.7%. This is a relatively wide range which indicates that the Samsung PM871b 2.5 7mm 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 338MB/s
Avg. Sequential Mixed IO Speed 360MB/s
ADVERTISEMENT

Average Bench

(Based on 796 samples)
Rank 26796.9%
Min Avg Max
362 Read 445 502
231 Write 397 479
256 Mixed 360 411
131 SusWrite 338 471
86.5% 385 MB/s
Min Avg Max
15.6 4K Read 32.1 43.6
31.5 4K Write 74 116
19.2 4K Mixed 42.4 59.6
142% 49.5 MB/s
Min Avg Max
130 DQ Read 342 383
111 DQ Write 299 350
68.3 DQ Mixed 305 361
233% 316 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
476GB free
Firmware: MVT03D0Q
SusWrite @10s intervals: 466 488 488 483 477 476 MB/s
125% Outstanding
Read 502
Write 480
Mixed 421
SusWrite 480
106% 471 MB/s
4K Read 42.1
4K Write 99.4
4K Mixed 57.3
190% 66.3 MB/s
DQ Read 386
DQ Write 362
DQ Mixed 371
279% 373 MB/s
387GB free (System drive)
Firmware: MVT02D0Q
SusWrite @10s intervals: 467 465 464 463 462 463 MB/s
111% Outstanding
Read 480
Write 458
Mixed 366
SusWrite 464
100% 442 MB/s
4K Read 35.4
4K Write 75.5
4K Mixed 46.7
153% 52.5 MB/s
DQ Read 373
DQ Write 333
DQ Mixed 350
264% 352 MB/s
419GB free (System drive)
Firmware: MVT03D0Q
SusWrite @10s intervals: 432 411 399 391 406 397 MB/s
101% Outstanding
Read 432
Write 391
Mixed 361
SusWrite 406
90% 398 MB/s
4K Read 34.8
4K Write 63.6
4K Mixed 44.4
143% 47.6 MB/s
DQ Read 344
DQ Write 283
DQ Mixed 306
231% 311 MB/s
170GB free (System drive)
Firmware: MVT03D0Q
SusWrite @10s intervals: 294 316 242 202 207 196 MB/s
94.5% Outstanding
Read 475
Write 444
Mixed 390
SusWrite 243
87% 388 MB/s
4K Read 28.2
4K Write 79.7
4K Mixed 46.9
145% 51.6 MB/s
DQ Read 358
DQ Write 311
DQ Mixed 330
249% 333 MB/s
189GB free (System drive)
Firmware: MVT03D0Q
SusWrite @10s intervals: 275 291 284 283 278 274 MB/s
90.3% Outstanding
Read 471
Write 332
Mixed 285
SusWrite 281
76% 342 MB/s
4K Read 29.1
4K Write 72
4K Mixed 35.7
128% 45.6 MB/s
DQ Read 372
DQ Write 296
DQ Mixed 256
213% 308 MB/s
31GB free
Firmware: MVT03D0Q
SusWrite @10s intervals: 319 179 106 106 124 106 MB/s
90.1% Outstanding
Read 480
Write 451
Mixed 407
SusWrite 157
84% 373 MB/s
4K Read 37.5
4K Write 75.5
4K Mixed 48.3
159% 53.8 MB/s
DQ Read 274
DQ Write 253
DQ Mixed 262
197% 263 MB/s
399GB free (System drive)
Firmware: MVT03D0Q
SusWrite @10s intervals: 307 374 391 385 406 421 MB/s
84.4% Excellent
Read 442
Write 409
Mixed 365
SusWrite 381
90% 399 MB/s
4K Read 25.9
4K Write 35
4K Mixed 29.4
96% 30.1 MB/s
DQ Read 343
DQ Write 275
DQ Mixed 290
222% 302 MB/s
796 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,714,810 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 512GB Builds (Compare 2,576 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 50%
Yacht
Desktop
Desktop 77%
Battleship
Workstation
Workstation 43%
Speed boat

System: Dell Precision 5820 Tower

CPU
Xeon W-2123IntelBench 70%, 2,702 samples332x
Xeon W-2133IntelBench 77%, 1,612 samples310x
Xeon W-2125IntelBench 78%, 1,514 samples304x
GPU
Quadro P4000NvidiaBench 67%, 12,628 samples322x
Quadro P2000NvidiaBench 41%, 13,958 samples244x
Quadro RTX 4000NvidiaBench 98%, 9,173 samples216x
SSD
PM871b 2.5 7mm 512GBSamsungBench 97%, 796 samples1x
RAM
HMA81GR7AFR8N-VK 2x8GBHynixBench 56%, 828 samples149x
HMA81GR7AFR8N-VK 4x8GBHynixBench 84%, 1,278 samples138x
HMA82GR7AFR8N-VK 2x16GBHynixBench 60%, 538 samples124x
EDIT WITH CUSTOM PC BUILDER

Popular PM871b 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

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]

ADVERTISEMENT

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.

 Comments

Added n/a ago.
Your
opinion?
▲Like ▼Dislike
Ready to retire
Age: 6 years

Speed Comparisons

vs Crucial MX500 250GB
vs Samsung 850 Evo 120GB
vs Samsung 860 Evo 250GB
vs Samsung 870 Evo 250GB
vs Samsung 850 Pro 512GB
vs Samsung 850 Evo 250GB
vs HyperX Savage 240GB
vs Crucial MX300 275GB
vs Samsung 850 Evo 1TB

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 »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $273Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
If you make a purchase via one of these links, our site may earn a commission
Today's hottest
Amazon Ebay
deals
CPU GPU SSD HDD USB RAM MBD
Build Test EFps
Can You Run It?
►
YouTube
*NEW*
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback