Samsung

PM871 mSATA 512GB

PM871 mSATA 512GB
BENCHMARKS (531)
MKT (0%)
BUILDS
(0)

Effective Speed -17%Effective Speed -17%Average Score -22%Read -3%, Write -9%, 4K Read -41%, 4K Write -41%, Mixed -21%, 4K Mixed -56%, SusWrite 15%Peak Score -7%Read 0%, Write -1%, 4K Read -27%, 4K Write -15%, Mixed 13%, 4K Mixed -33%, SusWrite 18%Value & Sentiment User Rating -14%, Market Share -∞%Nice To Haves -9%DQ Read 4%, DQ Write -2%, DQ Mixed -16%, ADQ Read -12%, ADQ Write -14%, ADQ Mixed -27%, Age -9%, AS-SSD Total -1%

Average Bench: 84.3% (419^th of 1072)

Based on 531 user benchmarks. Model: SAMSUNG SSD PM871 mSATA 512GB

Poor: 57%Average: 84.3% Great: 108%

Popular builds with this SSD

Very good average bench

The Samsung PM871 mSATA 512GB averaged just 15.7% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung PM871 mSATA 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 205MB/s

Avg. 4K-64Thread Write Speed 254MB/s

See where your SSD ranks →

Below average consistency

The range of scores (95th - 5th percentile) for the Samsung PM871 mSATA 512GB is 51.6%. This is a relatively wide range which indicates that the Samsung PM871 mSATA 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 297MB/s

Avg. Sustained Write Speed 341MB/s

Average Bench

(Based on 531 samples)

Rank 41984.3%

Min	Avg	Max
340	Read 444	507
210	Write 372	478
207	Mixed 297	479
147	SusWrite 341	455
81.6% 364 MB/s

Min	Avg	Max
12.1	4K Read 24.3	33.9
25.6	4K Write 62.2	106
13.6	4K Mixed 28.9	43.8
107% 38.5 MB/s

Min	Avg	Max
25.5	DQ Read 292	383
63.8	DQ Write 254	352
15.2	DQ Mixed 205	286
172% 251 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

DNK-User, 5 days ago.

51GB free

Firmware: EMT43D0Q

SusWrite @10s intervals: 409 424 427 429 429 385 MB/s

100% Outstanding

Write 438

Mixed 285

SusWrite 417

91% 404 MB/s

4K Read 29.7

4K Write 72.7

4K Mixed 35.8

129% 46.1 MB/s

DQ Read 378

DQ Write 343

DQ Mixed 283

234% 335 MB/s

USA-User, 1 month ago.

320GB free (System drive)

Firmware: EMT42D0Q

SusWrite @10s intervals: 333 328 296 323 354 334 MB/s

88.1% Excellent

Write 366

Mixed 272

SusWrite 328

80% 356 MB/s

4K Read 26.4

4K Write 57.2

4K Mixed 32.1

111% 38.6 MB/s

DQ Read 371

DQ Write 320

DQ Mixed 262

219% 318 MB/s

POL-User, 16 days ago.

420GB free (System drive)

Firmware: EMT42D0Q

SusWrite @10s intervals: 376 409 405 364 371 372 MB/s

85.9% Excellent

Write 400

Mixed 272

SusWrite 383

84% 371 MB/s

4K Read 22.7

4K Write 53.6

4K Mixed 27.8

98% 34.7 MB/s

DQ Read 377

DQ Write 295

DQ Mixed 278

224% 316 MB/s

SAU-User, 2 months ago.

73GB free (System drive)

Firmware: EMT43D0Q

SusWrite @10s intervals: 224 186 173 168 162 156 MB/s

78.4% Very good

Write 314

Mixed 246

SusWrite 178

68% 305 MB/s

4K Read 21.3

4K Write 60.9

4K Mixed 34.5

109% 38.9 MB/s

DQ Read 376

DQ Write 258

DQ Mixed 263

211% 299 MB/s

GBR-User, 1 month ago.

327GB free (System drive)

Firmware: EMT42D0Q

SusWrite @10s intervals: 331 322 326 323 312 319 MB/s

69.4% Good

Write 325

Mixed 252

SusWrite 322

72% 319 MB/s

4K Read 16.8

4K Write 46.8

4K Mixed 19.1

75% 27.6 MB/s

DQ Read 362

DQ Write 174

DQ Mixed 265

198% 267 MB/s

531 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,669,270 SSDs tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

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CPU

GPU

SSD

HDD

RAM

MBD

Typical PM871 mSATA 512GB Builds (Compare 2,441 builds) See popular component choices, score breakdowns and rankings

Gaming 5%

Tree trunk

Desktop 44%

Speed boat

Workstation 5%

Tree trunk

System: Dell Latitude E7450

CPU
Core i5-5300UIntelBench 42%, 29,898 samples	1,193x
Core i7-5600UIntelBench 50%, 20,423 samples	1,144x
Core i5-5200UIntelBench 42%, 107,407 samples	100x

GPU
HD 5500 (Mobile 0.95 GHz)IntelBench 4%, 231,498 samples	2,358x
GeForce 840MNvidiaBench 9%, 20,978 samples	81x
HD Graphics 5500 (PHDGD Skylake v2.9)IntelBench 4%, 39 samples	1x

SSD
PM871 mSATA 512GBSamsungBench 84%, 531 samples	1x

RAM
HMT41GS6BFR8A-PB 1x8GBHynixBench 28%, 77,702 samples	343x
HMT41GS6BFR8A-PB 2x8GBHynixBench 52%, 34,976 samples	176x
M471B1G73QH0-YK0 1x8GBSamsungBench 28%, 40,451 samples	121x

EDIT WITH CUSTOM PC BUILDER

Popular PM871 mSATA 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.

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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]

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1072 Drives (Compared) Thousands of user benchmarks compiled into one comparison list

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Frequently Asked Questions

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What is sequential read speed?

What is incompressible data?

What is queue depth?

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CPU	GPU	SSD
Intel Core i5-13600K $279	Nvidia RTX 4060 $300	Crucial MX500 250GB $40
Intel Core i5-12400F $133	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

PM871 mSATA 512GB

Average Bench: 84.3% (419^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 Latitude E7450

Popular PM871 mSATA 512GB systems:

UserBenchmark of the month

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Best User Rated

Samsung

PM871 mSATA 512GB

Average Bench: 84.3% (419th 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 Latitude E7450

Popular PM871 mSATA 512GB 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: 84.3% (419^th of 1072)