Samsung

CM871a M.2 2280 256GB

CM871a M.2 2280 256GB
BENCHMARKS (196)
MKT (0%)
BUILDS
(0)

Effective Speed -20%Effective Speed -20%Average Score -25%Read -4%, Write -6%, 4K Read -19%, 4K Write -27%, Mixed -16%, 4K Mixed -25%, SusWrite -79%Peak Score -11%Read 1%, Write 0%, 4K Read -7%, 4K Write -17%, Mixed 17%, 4K Mixed -11%, SusWrite -63%Value & Sentiment User Rating -14%, Market Share -∞%Nice To Haves -5%DQ Read 5%, DQ Write -5%, DQ Mixed 1%, ADQ Read -12%, ADQ Write -15%, ADQ Mixed -17%, Age 4%, AS-SSD Total -1%

Average Bench: 82.3% (449^th of 1072)

Based on 196 user benchmarks. Model: SAMSUNG SSD CM871a M.2 2280 256GB

Poor: 52%Average: 82.3% Great: 106%

Popular builds with this SSD

Very good average bench

The Samsung CM871a M.2 2280 256GB averaged just 17.6% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung CM871a M.2 2280 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 223MB/s

Avg. 4K Random Mixed IO Speed 35.9MB/s

See where your SSD ranks →

Below average consistency

The range of scores (95th - 5th percentile) for the Samsung CM871a M.2 2280 256GB is 54.1%. This is a relatively wide range which indicates that the Samsung CM871a M.2 2280 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 166MB/s

Avg. Sequential Mixed IO Speed 310MB/s

Average Bench

(Based on 196 samples)

Rank 44982.3%

Min	Avg	Max
322	Read 439	511
160	Write 382	487
127	Mixed 310	495
62.7	SusWrite 166	237
72.5% 324 MB/s

Min	Avg	Max
14.6	4K Read 28.8	40.3
27.6	4K Write 69	105
16.5	4K Mixed 35.9	52.5
126% 44.5 MB/s

Min	Avg	Max
30.5	DQ Read 291	384
66.8	DQ Write 252	341
20.7	DQ Mixed 223	333
180% 255 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

AUS-User, 2 months ago.

197GB free (System drive)

Firmware: MAT22D0Q

SusWrite @10s intervals: 255 223 200 213 203 196 MB/s

106% Outstanding

Write 479

Mixed 332

SusWrite 215

86% 384 MB/s

4K Read 43.1

4K Write 107

4K Mixed 57.3

195% 69.1 MB/s

DQ Read 248

DQ Write 281

DQ Mixed 283

208% 270 MB/s

GBR-User, 12 days ago.

151GB free (System drive)

Firmware: MAT22D0Q

SusWrite @10s intervals: 284 189 185 188 187 198 MB/s

102% Outstanding

Write 459

Mixed 298

SusWrite 205

81% 360 MB/s

4K Read 39.5

4K Write 91.6

4K Mixed 51.6

174% 60.9 MB/s

DQ Read 387

DQ Write 344

DQ Mixed 318

252% 350 MB/s

USA-User, 4 months ago.

117GB free (System drive)

Firmware: MAT22D0Q

SusWrite @10s intervals: 266 79 81 82 79 83 MB/s

92.5% Outstanding

Write 484

Mixed 311

SusWrite 111

79% 353 MB/s

4K Read 36

4K Write 83.7

4K Mixed 46.9

159% 55.5 MB/s

DQ Read 379

DQ Write 339

DQ Mixed 315

248% 344 MB/s

DEU-User, 3 months ago.

58GB free (System drive)

Firmware: MAT2

SusWrite @10s intervals: 264 164 99 84 84 83 MB/s

84.2% Excellent

Write 411

Mixed 287

SusWrite 129

70% 314 MB/s

4K Read 32.5

4K Write 76.1

4K Mixed 47.3

150% 52 MB/s

DQ Read 249

DQ Write 285

DQ Mixed 286

210% 273 MB/s

GBR-User, 3 months ago.

31GB free (System drive)

Firmware: MAT22D0Q

SusWrite @10s intervals: 97 38 40 46 49 48 MB/s

77.6% Very good

Write 385

Mixed 296

SusWrite 52.8

65% 290 MB/s

4K Read 27.3

4K Write 73.2

4K Mixed 40.2

132% 46.9 MB/s

DQ Read 384

DQ Write 341

DQ Mixed 327

255% 351 MB/s

GBR-User, 3 months ago.

136GB free (System drive)

Firmware: MAT22D0Q

SusWrite @10s intervals: 231 114 117 126 115 103 MB/s

66.3% Good

Write 402

Mixed 294

SusWrite 134

70% 312 MB/s

4K Read 26.1

4K Write 45.9

4K Mixed 32.1

105% 34.7 MB/s

DQ Read 238

DQ Write 152

DQ Mixed 184

140% 191 MB/s

ROU-User, 1 month ago.

63GB free (System drive)

Firmware: MAT22D0Q

SusWrite @10s intervals: 230 90 66 55 53 52 MB/s

50.7% Above average

Write 351

Mixed 263

SusWrite 91.1

59% 265 MB/s

4K Read 21.4

4K Write 34.1

4K Mixed 25.5

83% 27 MB/s

DQ Read 122

DQ Write 100

DQ Mixed 111

83% 111 MB/s

196 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,717,310 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 CM871a M.2 2280 256GB Builds (Compare 3,085 builds) See popular component choices, score breakdowns and rankings

Gaming 6%

Tree trunk

Desktop 44%

Speed boat

Workstation 6%

Tree trunk

System: Dell Latitude E5470

CPU
Core i5-6300UIntelBench 40%, 59,619 samples	1,282x
Core i7-6820HQIntelBench 60%, 33,920 samples	486x
Core i5-6440HQIntelBench 66%, 4,172 samples	452x

GPU
HD 520 (Mobile Skylake)IntelBench 4%, 362,113 samples	2,042x
HD 530 (Mobile Skylake)IntelBench 5%, 213,495 samples	1,031x
Radeon R7 M360AMDBench 6%, 820 samples	8x

SSD
CM871a M.2 2280 256GBSamsungBench 82%, 196 samples	1x

RAM
HMA41GS6AFR8N-TF 1x8GBHynixBench 38%, 45,898 samples	562x
HMA81GS6AFR8N-UH 1x8GBHynixBench 37%, 144,145 samples	347x
16ATF1G64HZ-2G1B1 1x8GBMicronBench 39%, 4,454 samples	279x

EDIT WITH CUSTOM PC BUILDER

Popular CM871a M.2 2280 256GB 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

CPU

GPU

SSD

HDD

RAM

USB

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]

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.

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 »

CPU	GPU	SSD
Intel Core i5-13600K $273	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 $177	Nvidia RTX 4070 $539	Samsung 860 Evo 250GB $52

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37	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

CM871a M.2 2280 256GB

Average Bench: 82.3% (449^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 E5470

Popular CM871a M.2 2280 256GB systems:

UserBenchmark of the month

How it works

Group Test Results

Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Samsung

CM871a M.2 2280 256GB

Average Bench: 82.3% (449th 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 E5470

Popular CM871a M.2 2280 256GB systems:

UserBenchmark of the month

How it works

Group Test Results

Share a related link

Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Feedback

Average Bench: 82.3% (449^th of 1072)