TEST
YOUR SSD
ADD TO PC
BUILD

Samsung

PM871 mSATA 256GB

▲ 501 ▼

Release date ≈ Q3 2015.

Average Bench: 78.4% (456th of 1016)

Based on 1,057 user benchmarks.  Model: SAMSUNG SSD PM871 mSATA 256GB
Poor: 57%Average: 78.4% Great: 96%

Popular builds with this SSD

Good average bench

The Samsung PM871 mSATA 256GB averaged 21.5% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung PM871 mSATA 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 218MB/s
Avg. 4K-64Thread Read Speed 322MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Samsung PM871 mSATA 256GB is 38.1%. This is a relatively wide range which indicates that the Samsung PM871 mSATA 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 233MB/s
Avg. Sustained Write Speed 253MB/s
ADVERTISEMENT

Average Bench

(Based on 1,057 samples)
Rank 45678.4%
Min Avg Max
343 Read 427 493
159 Write 270 299
191 Mixed 233 258
136 SusWrite 253 293
65.9% 296 MB/s
Min Avg Max
12.3 4K Read 24.3 32.9
32.7 4K Write 64.8 96.2
16.3 4K Mixed 28.8 38.6
108% 39.3 MB/s
Min Avg Max
119 DQ Read 322 382
110 DQ Write 250 298
88.9 DQ Mixed 218 248
182% 263 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
199GB free (System drive)
Firmware: EMT42D0Q
SusWrite @10s intervals: 296 297 296 295 291 281 MB/s
104% Outstanding
Read 506
Write 298
Mixed 259
SusWrite 293
75% 339 MB/s
4K Read 36
4K Write 108
4K Mixed 43.3
167% 62.5 MB/s
DQ Read 378
DQ Write 300
DQ Mixed 249
211% 309 MB/s
204GB free (System drive)
Firmware: EMT42D0Q
SusWrite @10s intervals: 285 290 290 293 293 290 MB/s
92.5% Outstanding
Read 410
Write 294
Mixed 238
SusWrite 290
69% 308 MB/s
4K Read 31.5
4K Write 91.7
4K Mixed 38.3
145% 53.8 MB/s
DQ Read 327
DQ Write 296
DQ Mixed 248
203% 290 MB/s
179GB free (System drive)
Firmware: EMT42D0Q
SusWrite @10s intervals: 294 290 294 295 295 295 MB/s
74.5% Very good
Read 416
Write 298
Mixed 253
SusWrite 294
71% 315 MB/s
4K Read 19.3
4K Write 41.2
4K Mixed 23.6
81% 28 MB/s
DQ Read 388
DQ Write 275
DQ Mixed 246
207% 303 MB/s
156GB free (System drive)
Firmware: EMT42D0Q
SusWrite @10s intervals: 235 236 239 240 240 253 MB/s
72% Very good
Read 432
Write 244
Mixed 236
SusWrite 240
64% 288 MB/s
4K Read 23.5
4K Write 40.8
4K Mixed 26.2
91% 30.2 MB/s
DQ Read 322
DQ Write 216
DQ Mixed 228
181% 255 MB/s
198GB free (System drive)
Firmware: EMT43D0Q
SusWrite @10s intervals: 262 273 291 293 293 293 MB/s
70.5% Very good
Read 421
Write 295
Mixed 241
SusWrite 284
69% 310 MB/s
4K Read 15.8
4K Write 56.4
4K Mixed 22
82% 31.4 MB/s
DQ Read 272
DQ Write 229
DQ Mixed 197
162% 233 MB/s
1,057 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,680,918 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 PM871 mSATA 256GB Builds (Compare 3,011 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 13%
Tree trunk
Desktop
Desktop 45%
Speed boat
Workstation
Workstation 22%
Surfboard

System: Dell Latitude E7450

CPU
Core i7-5600UIntelBench 45%, 10,619 samples1,491x
Core i5-5300UIntelBench 41%, 13,908 samples1,378x
Core i5-5200UIntelBench 37%, 68,976 samples129x
GPU
HD 5500 (Mobile 0.95 GHz)IntelBench 4%, 148,243 samples2,917x
GeForce 840MNvidiaBench 9%, 13,679 samples89x
GTX 1070Nvidia  $346Bench 78%, 703,911 samples3x
SSD
PM871 mSATA 256GBSamsungBench 78%, 1,057 samples362x
RAM
HMT41GS6BFR8A-PB 1x8GBHynixBench 28%, 48,428 samples496x
HMT41GS6BFR8A-PB 2x8GBHynixBench 53%, 21,592 samples297x
M471B1G73QH0-YK0 1x8GBSamsungBench 29%, 20,718 samples190x
EDIT WITH CUSTOM PC BUILDER

Popular PM871 mSATA 256GB systems:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware 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 upgrades.

UserBenchmark of the month

Gaming Desktop Workstation

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.
  • - 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.
  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) January 2020 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: 4 years

Speed Comparisons

vs Crucial MX500 250GB
vs Samsung 850 Evo 120GB
vs Samsung 850 Pro 512GB
vs Samsung 860 Evo 250GB
vs Samsung 850 Evo 250GB
vs HyperX Savage 240GB
vs Samsung 850 Evo 1TB
vs Crucial MX300 275GB
vs Crucial MX200 250GB

1016 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 i5-9600K $218Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $43
Intel Core i5-9400F $155Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $370Nvidia RTX 2060 $340Samsung 850 Pro 512GB $204
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $643SanDisk Ultra Fit 32GB $16
Today's hottest
Amazon Ebay
deals
CPU GPU SSD HDD USB RAM MBD
Test your PC Build a PC
Can You Run It?
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer Feedback