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Samsung

PM871 mSATA 256GB

▲ 501 ▼

Release date ≈ Q3 2015.

Average Bench: 78.7% (489th of 1058)

Based on 2,184 user benchmarks.  Model: SAMSUNG SSD PM871 mSATA 256GB
Poor: 58%Average: 78.7% Great: 96%

Popular builds with this SSD

Good average bench

The Samsung PM871 mSATA 256GB averaged 21.2% 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 226MB/s
Avg. 4K-64Thread Read Speed 347MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Samsung PM871 mSATA 256GB is 38.4%. 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 230MB/s
Avg. Sustained Write Speed 246MB/s
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Average Bench

(Based on 2,184 samples)
Rank 48978.7%
Min Avg Max
348 Read 427 491
126 Write 265 301
164 Mixed 230 259
110 SusWrite 246 294
65.1% 292 MB/s
Min Avg Max
11.8 4K Read 24.3 33.3
31 4K Write 65.8 97.8
16.1 4K Mixed 29 38.7
109% 39.7 MB/s
Min Avg Max
206 DQ Read 347 383
116 DQ Write 252 301
143 DQ Mixed 226 249
189% 275 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
209GB free (System drive)
Firmware: EMT42D0Q
SusWrite @10s intervals: 295 296 295 297 295 297 MB/s
89.5% Excellent
Read 477
Write 298
Mixed 251
SusWrite 296
74% 331 MB/s
4K Read 30
4K Write 76.8
4K Mixed 34.6
130% 47.1 MB/s
DQ Read 277
DQ Write 279
DQ Mixed 242
192% 266 MB/s
123GB free (System drive)
Firmware: EMT43D0Q
SusWrite @10s intervals: 192 186 213 209 223 219 MB/s
78.8% Very good
Read 455
Write 266
Mixed 231
SusWrite 207
64% 290 MB/s
4K Read 26.8
4K Write 67.9
4K Mixed 29
114% 41.2 MB/s
DQ Read 379
DQ Write 221
DQ Mixed 240
195% 280 MB/s
72GB free (System drive)
Firmware: EMT43D0Q
SusWrite @10s intervals: 156 137 142 146 147 147 MB/s
75.4% Very good
Read 409
Write 172
Mixed 196
SusWrite 146
51% 231 MB/s
4K Read 28.4
4K Write 75.9
4K Mixed 31.5
124% 45.3 MB/s
DQ Read 375
DQ Write 183
DQ Mixed 201
170% 253 MB/s
191GB free (System drive)
Firmware: EMT42D0Q
SusWrite @10s intervals: 287 276 283 275 266 251 MB/s
71.5% Very good
Read 369
Write 271
Mixed 209
SusWrite 273
63% 280 MB/s
4K Read 20.5
4K Write 67.1
4K Mixed 26.2
100% 37.9 MB/s
DQ Read 264
DQ Write 157
DQ Mixed 197
150% 206 MB/s
190GB free (System drive)
Firmware: EMT43D0Q
SusWrite @10s intervals: 262 283 284 282 253 277 MB/s
68.5% Good
Read 369
Write 297
Mixed 237
SusWrite 273
66% 294 MB/s
4K Read 11.1
4K Write 62.9
4K Mixed 17.6
73% 30.5 MB/s
DQ Read 380
DQ Write 297
DQ Mixed 242
207% 306 MB/s
2,184 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,300,798 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 2,863 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 5%
Tree trunk
Desktop
Desktop 52%
Yacht
Workstation
Workstation 5%
Tree trunk

System: Dell Latitude E7450

CPU
Core i5-5300UIntelBench 51%, 25,869 samples1,407x
Core i7-5600UIntelBench 55%, 18,490 samples1,332x
Core i5-5200UIntelBench 52%, 111,734 samples117x
GPU
HD 5500 (Mobile 0.95 GHz)IntelBench 4%, 211,996 samples2,766x
GeForce 840MNvidiaBench 9%, 20,465 samples95x
VGA Graphics AdapterStandardBench 4%, 1 sample1x
SSD
PM871 mSATA 256GBSamsungBench 79%, 2,184 samples365x
RAM
HMT41GS6BFR8A-PB 1x8GBHynixBench 28%, 73,589 samples417x
HMT41GS6BFR8A-PB 2x8GBHynixBench 52%, 33,158 samples202x
M471B1G73QH0-YK0 1x8GBSamsungBench 28%, 38,602 samples127x
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Popular PM871 mSATA 256GB systems:

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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.

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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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Solid State Drive Rankings (Price vs Performance) September 2021 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]

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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.

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Speed Comparisons

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1058 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 i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-11700K $394Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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