Samsung

PM851 M.2 2280 128GB

PM851 M.2 2280 128GB
BENCHMARKS (1,349)
MKT (0%)
BUILDS
(0)

Effective Speed -82%Effective Speed -82%Average Score -160%Read -9%, Write -329%, 4K Read -62%, 4K Write -98%, Mixed -216%, 4K Mixed -152%, SusWrite -253%Peak Score -118%Read -3%, Write -249%, 4K Read -44%, 4K Write -41%, Mixed -162%, 4K Mixed -137%, SusWrite -191%Value & Sentiment User Rating -13%, Market Share -∞%Nice To Haves -156%DQ Read -1%, DQ Write -154%, DQ Mixed -407%, ADQ Read -5%, ADQ Write -224%, ADQ Mixed -393%, Age -24%, AS-SSD Total -37%

Average Bench: 54.8% (843^rd of 1058)

Based on 1,349 user benchmarks. Model: SAMSUNG SSD PM851 M.2 2280 128GB

Poor: 36%Average: 54.8% Great: 72%

Popular builds with this SSD

Average average bench

The Samsung PM851 M.2 2280 128GB averaged 45.2% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. 4K-64Thread Read Speed 310MB/s

Avg. 4K Random Read Speed 21.5MB/s

See where your SSD ranks →

Above average consistency

The range of scores (95th - 5th percentile) for the Samsung PM851 M.2 2280 128GB is 36.1%. This is a relatively wide range which indicates that the Samsung PM851 M.2 2280 128GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 84.5MB/s

Avg. Sequential Write Speed 94.6MB/s

Average Bench

(Based on 1,349 samples)

Rank 84354.8%

Min	Avg	Max
322	Read 423	492
28.8	Write 94.6	139
50.6	Mixed 114	162
25.9	SusWrite 84.5	133
38.9% 179 MB/s

Min	Avg	Max
10.4	4K Read 21.5	30.2
21.3	4K Write 44.8	86.2
11.1	4K Mixed 18.1	24.7
79.5% 28.1 MB/s

Min	Avg	Max
159	DQ Read 310	364
28.5	DQ Write 89.5	141
30.1	DQ Mixed 52.9	65.3
77.2% 151 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

CAN-User, 3 days ago.

36GB free

Firmware: EXT25D0Q

SusWrite @10s intervals: 137 136 136 136 129 102 MB/s

72.5% Very good

Write 141

Mixed 164

SusWrite 129

51% 232 MB/s

4K Read 32.8

4K Write 72.4

4K Mixed 26.4

122% 43.9 MB/s

DQ Read 235

DQ Write 143

DQ Mixed 69.5

84% 149 MB/s

CAN-User, 3 days ago.

36GB free

Firmware: EXT25D0Q

SusWrite @10s intervals: 136 136 136 123 136 105 MB/s

69.2% Good

Write 141

Mixed 170

SusWrite 129

51% 233 MB/s

4K Read 27.9

4K Write 72.6

4K Mixed 23.9

111% 41.5 MB/s

DQ Read 232

DQ Write 144

DQ Mixed 67.6

83% 148 MB/s

USA-User, 5 days ago.

66GB free (System drive)

Firmware: EXT25D0Q

SusWrite @10s intervals: 127 130 131 131 131 130 MB/s

69.1% Good

Write 134

Mixed 147

SusWrite 130

49% 224 MB/s

4K Read 27.9

4K Write 81.7

4K Mixed 17.1

107% 42.2 MB/s

DQ Read 346

DQ Write 135

DQ Mixed 58.5

91% 180 MB/s

USA-User, 6 days ago.

84GB free (System drive)

Firmware: EXT25D0Q

SusWrite @10s intervals: 110 125 122 109 82 72 MB/s

64.4% Good

Write 113

Mixed 137

SusWrite 103

45% 206 MB/s

4K Read 26.2

4K Write 54.6

4K Mixed 21.8

96% 34.2 MB/s

DQ Read 363

DQ Write 105

DQ Mixed 59.1

89% 176 MB/s

CAN-User, 1 day ago.

80GB free (System drive)

Firmware: EXT25D0Q

SusWrite @10s intervals: 65 63 78 91 100 104 MB/s

58.2% Above average

Write 74.7

Mixed 96.3

SusWrite 83.4

39% 179 MB/s

4K Read 24.9

4K Write 37.2

4K Mixed 20.1

83% 27.4 MB/s

DQ Read 350

DQ Write 81.5

DQ Mixed 59.7

84% 164 MB/s

1,349 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 51,464,904 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 PM851 M.2 2280 128GB Builds (Compare 884 builds) See popular component choices, score breakdowns and rankings.

Gaming 7%

Tree trunk

Desktop 60%

Gunboat

Workstation 7%

Tree trunk

System: Alienware 15

CPU
Core i7-4710HQIntelBench 65%, 70,329 samples	405x
Core i7-4720HQIntelBench 68%, 64,884 samples	326x
Core i5-4210HIntelBench 57%, 11,673 samples	143x

GPU
HD 4600 (Mobile 1.15 GHz)IntelBench 3%, 245,289 samples	473x
GTX 970MNvidiaBench 32%, 23,994 samples	209x
GTX 980MNvidiaBench 41%, 15,491 samples	93x

SSD
PM851 M.2 2280 128GBSamsungBench 55%, 1,349 samples	97x

RAM
HMT41GS6BFR8A-PB 2x8GBHynixBench 52%, 36,066 samples	181x
HMT451S6BFR8A-PB 2x4GBHynixBench 48%, 40,964 samples	112x
M471B1G73EB0-YK0 2x8GBSamsungBench 52%, 11,199 samples	77x

EDIT WITH CUSTOM PC BUILDER

Popular PM851 M.2 2280 128GB 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

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) January 2022 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.

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 »

CPU	GPU	SSD
Intel Core i5-12600K $289	Nvidia RTX 3060-Ti $400	Crucial MX500 250GB $48
Intel Core i5-12400F $184	Nvidia RTX 3070 $500	Samsung 860 Evo 250GB $52
Intel Core i5-11600K $250	Nvidia RTX 3080 $700	Samsung 850 Evo 120GB $200

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $43	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $67	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $39	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75	SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $71	G.SKILL Trident Z DDR4 3200 C14 4x16GB $470	SanDisk Ultra Fit 32GB $16

Samsung

PM851 M.2 2280 128GB

Average Bench: 54.8% (843^rd of 1058)

Popular builds with this SSD

Average average bench

Strengths

Above average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Alienware 15

Popular PM851 M.2 2280 128GB systems:

UserBenchmark of the month

How it works

Group Test Results

Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Samsung

PM851 M.2 2280 128GB

Average Bench: 54.8% (843rd of 1058)

Popular builds with this SSD

Average average bench

Strengths

Above average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Alienware 15

Popular PM851 M.2 2280 128GB systems:

UserBenchmark of the month

How it works

Group Test Results

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Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Feedback

Average Bench: 54.8% (843^rd of 1058)