Samsung

CM871a 2.5 7mm 128GB

CM871a 2.5 7mm 128GB
BENCHMARKS (106)
MKT (0%)
BUILDS
(0)

Effective Speed -16%Effective Speed -16%Average Score -27%Read 1%, Write 1%, 4K Read -5%, 4K Write -15%, Mixed -9%, 4K Mixed -23%, SusWrite -141%Peak Score -20%Read 2%, Write 2%, 4K Read 2%, 4K Write 1%, Mixed 18%, 4K Mixed -6%, SusWrite -162%Value & Sentiment User Rating -14%, Market Share -∞%Nice To Haves -10%DQ Read 5%, DQ Write -2%, DQ Mixed -7%, ADQ Read -9%, ADQ Write -31%, ADQ Mixed -44%, Age 7%, AS-SSD Total 2%

Average Bench: 84.9% (403^rd of 1072)

Based on 106 user benchmarks. Model: SAMSUNG SSD CM871a 2.5 7mm 128GB

Poor: 56%Average: 84.9% Great: 114%

Popular builds with this SSD

Very good average bench

The Samsung CM871a 2.5 7mm 128GB averaged just 15.0% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung CM871a 2.5 7mm 128GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 181MB/s

Avg. 4K Random Read Speed 32.7MB/s

See where your SSD ranks →

Below average consistency

The range of scores (95th - 5th percentile) for the Samsung CM871a 2.5 7mm 128GB is 57.5%. This is a relatively wide range which indicates that the Samsung CM871a 2.5 7mm 128GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 123MB/s

Avg. Sequential Mixed IO Speed 328MB/s

Average Bench

(Based on 106 samples)

Rank 40384.9%

Min	Avg	Max
359	Read 461	516
131	Write 410	497
159	Mixed 328	499
49.6	SusWrite 123	148
73.8% 330 MB/s

Min	Avg	Max
19.5	4K Read 32.7	43.8
32.8	4K Write 76.2	123
14.9	4K Mixed 36.6	55.1
137% 48.5 MB/s

Min	Avg	Max
39.4	DQ Read 299	387
67.4	DQ Write 221	351
23.3	DQ Mixed 181	310
156% 233 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

USA-User, 25 days ago.

117GB free

Firmware: MAT02D0Q

SusWrite @10s intervals: 164 182 132 133 133 134 MB/s

101% Outstanding

Write 476

Mixed 331

SusWrite 146

81% 364 MB/s

4K Read 40.2

4K Write 103

4K Mixed 51.7

182% 65 MB/s

DQ Read 365

DQ Write 321

DQ Mixed 308

240% 331 MB/s

BEL-User, 6 months ago.

119GB free

Firmware: MAT02D0Q

SusWrite @10s intervals: 220 133 133 135 134 133 MB/s

93.6% Outstanding

Write 452

Mixed 353

SusWrite 148

80% 358 MB/s

4K Read 36.5

4K Write 86.3

4K Mixed 48.1

163% 57 MB/s

DQ Read 385

DQ Write 280

DQ Mixed 312

239% 326 MB/s

MEX-User, 3 months ago.

37GB free (System drive)

Firmware: MAT02D0Q

SusWrite @10s intervals: 137 107 80 79 76 76 MB/s

77.1% Very good

Write 455

Mixed 291

SusWrite 92.3

72% 323 MB/s

4K Read 31.2

4K Write 55.2

4K Mixed 35

121% 40.5 MB/s

DQ Read 380

DQ Write 329

DQ Mixed 266

223% 325 MB/s

USA-User, 5 months ago.

29GB free (System drive)

Firmware: MAT02D0Q

SusWrite @10s intervals: 139 101 95 86 81 77 MB/s

69.7% Good

Write 402

Mixed 301

SusWrite 96.4

68% 306 MB/s

4K Read 24.2

4K Write 46

4K Mixed 30.6

100% 33.6 MB/s

DQ Read 377

DQ Write 324

DQ Mixed 296

237% 332 MB/s

USA-User, 3 months ago.

110GB free

Firmware: MAT02D0Q

SusWrite @10s intervals: 163 184 136 135 135 137 MB/s

65.9% Good

Write 422

Mixed 302

SusWrite 148

74% 330 MB/s

4K Read 18.7

4K Write 40

4K Mixed 22.4

78% 27 MB/s

DQ Read 358

DQ Write 303

DQ Mixed 290

228% 317 MB/s

106 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,701,110 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 2.5 7mm 128GB Builds (Compare 1,134 builds) See popular component choices, score breakdowns and rankings

Gaming 6%

Tree trunk

Desktop 59%

Gunboat

Workstation 6%

Tree trunk

System: Dell Inspiron 3650

CPU
Core i5-6400Intel $79Bench 61%, 171,457 samples	589x
Core i3-6100Intel $76Bench 55%, 110,166 samples	294x
Core i7-6700Intel $180Bench 72%, 282,363 samples	180x

GPU
HD 530 (Desktop Skylake)IntelBench 5%, 188,220 samples	476x
GeForce GT 730NvidiaBench 5%, 164,888 samples	171x
GTX 1050-TiNvidia $59Bench 29%, 946,701 samples	113x

SSD
CM871a 2.5 7mm 128GBSamsungBench 85%, 106 samples	1x

RAM
HMT41GU6BFR8A-PB 1x8GBHynixBench 29%, 9,029 samples	166x
HMT41GU6DFR8A-PB 1x8GBHynixBench 30%, 1,889 samples	95x
16KTF1G64AZ-1G6P1 1x8GBMicronBench 30%, 1,490 samples	79x

EDIT WITH CUSTOM PC BUILDER

Value: 86% - Excellent

Total price: $79

Popular CM871a 2.5 7mm 128GB 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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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
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- See speed test results from other users
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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]

Group Test Results

Best user rated - User sentiment trumps benchmarks for this comparison.
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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 $295	Crucial MX500 250GB $40
Intel Core i5-12400F $133	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $179	Nvidia RTX 4070 $539	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) $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 2.5 7mm 128GB

Average Bench: 84.9% (403^rd 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 Inspiron 3650

Popular CM871a 2.5 7mm 128GB systems:

UserBenchmark of the month

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Samsung

CM871a 2.5 7mm 128GB

Average Bench: 84.9% (403rd 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 Inspiron 3650

Popular CM871a 2.5 7mm 128GB systems:

UserBenchmark of the month

How it works

Group Test Results

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Speed Comparisons

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Best User Rated

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Average Bench: 84.9% (403^rd of 1072)