Samsung

PM871 mSATA 256GB

PM871 mSATA 256GB
BENCHMARKS (1,399)
MKT (0%)
BUILDS
(0)

Effective Speed -25%Effective Speed -25%Average Score -37%Read -7%, Write -53%, 4K Read -37%, 4K Write -37%, Mixed -56%, 4K Mixed -54%, SusWrite -18%Peak Score -35%Read -1%, Write -62%, 4K Read -22%, 4K Write -23%, Mixed -62%, 4K Mixed -44%, SusWrite -29%Value & Sentiment -1,139%User Rating -44%, Market Share -2,233%Nice To Haves -11%DQ Read 5%, DQ Write -18%, DQ Mixed -31%, ADQ Read 4%, ADQ Write -18%, ADQ Mixed -20%, Age -5%, AS-SSD Total -8%

Average Bench: 78.1% (486^th of 1040)

Based on 1,399 user benchmarks. Model: SAMSUNG SSD PM871 mSATA 256GB

Poor: 58%Average: 78.1% Great: 96%

Popular builds with this SSD

Good average bench

The Samsung PM871 mSATA 256GB averaged 21.9% 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 221MB/s

Avg. 4K-64Thread Read Speed 336MB/s

See where your SSD ranks →

Above average consistency

The range of scores (95th - 5th percentile) for the Samsung PM871 mSATA 256GB is 37.9%. 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 229MB/s

Avg. Sustained Write Speed 248MB/s

Average Bench

(Based on 1,399 samples)

Rank 48678.1%

Min	Avg	Max
345	Read 426	495
149	Write 266	299
178	Mixed 229	257
121	SusWrite 248	293
65.2% 292 MB/s

Min	Avg	Max
12.3	4K Read 24.1	33.3
32	4K Write 64.6	97.5
16.6	4K Mixed 28.7	38.4
107% 39.1 MB/s

Min	Avg	Max
166	DQ Read 336	383
110	DQ Write 248	299
119	DQ Mixed 221	248
185% 268 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

IDN-User, 1 day ago.

196GB free (System drive)

Firmware: EMT42D0Q

SusWrite @10s intervals: 285 290 289 293 293 294 MB/s

92.8% Outstanding

Write 296

Mixed 242

SusWrite 291

73% 328 MB/s

4K Read 30.4

4K Write 81.8

4K Mixed 34.2

133% 48.8 MB/s

DQ Read 382

DQ Write 297

DQ Mixed 248

210% 309 MB/s

MEX-User, 15 hrs ago.

144GB free (System drive)

Firmware: EMT43D0Q

SusWrite @10s intervals: 266 279 285 274 275 279 MB/s

88.9% Excellent

Write 292

Mixed 229

SusWrite 276

68% 307 MB/s

4K Read 28.6

4K Write 79.8

4K Mixed 34.9

130% 47.8 MB/s

DQ Read 381

DQ Write 286

DQ Mixed 249

209% 305 MB/s

CHE-User, 2 days ago.

184GB free (System drive)

Firmware: EMT42D0Q

SusWrite @10s intervals: 236 263 267 242 273 254 MB/s

88.4% Excellent

Write 287

Mixed 228

SusWrite 256

68% 304 MB/s

4K Read 30.1

4K Write 79.8

4K Mixed 34.6

132% 48.2 MB/s

DQ Read 374

DQ Write 278

DQ Mixed 224

195% 292 MB/s

USA-User, 1 day ago.

238GB free

Firmware: EMT42D0Q

SusWrite @10s intervals: 265 273 287 288 286 288 MB/s

84.4% Excellent

Write 286

Mixed 254

SusWrite 281

70% 314 MB/s

4K Read 26.8

4K Write 58.8

4K Mixed 32.3

113% 39.3 MB/s

DQ Read 380

DQ Write 290

DQ Mixed 242

206% 304 MB/s

USA-User, 1 day ago.

238GB free

Firmware: EMT42D0Q

SusWrite @10s intervals: 286 286 284 286 288 286 MB/s

83.6% Excellent

Write 288

Mixed 254

SusWrite 286

71% 317 MB/s

4K Read 25

4K Write 59

4K Mixed 30.9

109% 38.3 MB/s

DQ Read 382

DQ Write 290

DQ Mixed 242

207% 305 MB/s

USA-User, 2 days ago.

73GB free (System drive)

Firmware: EMT42D0Q

SusWrite @10s intervals: 288 292 292 292 292 290 MB/s

79.5% Very good

Write 294

Mixed 253

SusWrite 291

72% 322 MB/s

4K Read 22.8

4K Write 44.8

4K Mixed 26.4

92% 31.3 MB/s

DQ Read 389

DQ Write 294

DQ Mixed 249

211% 311 MB/s

USA-User, 17 hrs ago.

198GB free (System drive)

Firmware: EMT42D0Q

SusWrite @10s intervals: 283 289 291 291 289 291 MB/s

76.1% Very good

Write 291

Mixed 233

SusWrite 289

68% 304 MB/s

4K Read 20.7

4K Write 52.8

4K Mixed 23.6

90% 32.4 MB/s

DQ Read 378

DQ Write 293

DQ Mixed 245

208% 305 MB/s

HRV-User, 3 hrs ago.

66GB free (System drive)

Firmware: EMT42D0Q

SusWrite @10s intervals: 221 204 209 212 187 205 MB/s

72.1% Very good

Write 280

Mixed 237

SusWrite 206

65% 290 MB/s

4K Read 25.6

4K Write 55.5

4K Mixed 23.9

99% 35 MB/s

DQ Read 374

DQ Write 170

DQ Mixed 200

168% 248 MB/s

POL-User, 2 days ago.

13GB free (System drive)

Firmware: EMT43D0Q

SusWrite @10s intervals: 100 75 77 69 60 59 MB/s

69% Good

Write 112

Mixed 128

SusWrite 73.4

40% 186 MB/s

4K Read 29.9

4K Write 85.6

4K Mixed 25.7

124% 47.1 MB/s

DQ Read 355

DQ Write 113

DQ Mixed 162

138% 210 MB/s

1,399 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 33,129,171 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 1,381 builds) See popular component choices, score breakdowns and rankings.

Gaming 6%

Tree trunk

Desktop 55%

Gunboat

Workstation 5%

Tree trunk

System: Dell Latitude E7450

CPU
Core i7-5600UIntelBench 55%, 14,096 samples	686x
Core i5-5300UIntelBench 52%, 19,776 samples	634x
Core i5-5200UIntelBench 52%, 87,969 samples	58x

GPU
HD 5500 (Mobile 0.95 GHz)IntelBench 4%, 190,975 samples	1,332x
GeForce 840MNvidiaBench 9%, 15,576 samples	48x
HD Graphics 5500 manual-gen9_2015-134121IntelBench 4%, 2 samples	1x

SSD
PM871 mSATA 256GBSamsungBench 78%, 1,399 samples	192x

RAM
HMT41GS6BFR8A-PB 1x8GBHynixBench 28%, 60,433 samples	200x
HMT41GS6BFR8A-PB 2x8GBHynixBench 52%, 27,212 samples	111x
M471B1G73QH0-YK0 1x8GBSamsungBench 28%, 19,721 samples	60x

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

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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) October 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]

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.

1040 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 i5-9600K $185	Nvidia GTX 1660S (Super) $230	Crucial MX500 250GB $46
Intel Core i5-9400F $142	Nvidia RTX 3080 $700	Samsung 850 Evo 120GB $78
Intel Core i5-10600K $260	Nvidia GTX 1650S (Super) $170	Samsung 860 Evo 250GB $50

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $43	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $69	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $69	SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85	G.SKILL Trident Z DDR4 3200 C14 4x16GB $548	SanDisk Extreme 16GB $28

Samsung

PM871 mSATA 256GB

Average Bench: 78.1% (486^th of 1040)

Popular builds with this SSD

Good average bench

Strengths

Above average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Dell Latitude E7450

Popular PM871 mSATA 256GB systems:

UserBenchmark of the month

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Group Test Results

Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Samsung

PM871 mSATA 256GB

Average Bench: 78.1% (486th of 1040)

Popular builds with this SSD

Good average bench

Strengths

Above average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Dell Latitude E7450

Popular PM871 mSATA 256GB systems:

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: 78.1% (486^th of 1040)