Samsung

PM851 M.2 2280 128GB

PM851 M.2 2280 128GB
BENCHMARKS (915)
MKT (0%)
BUILDS
(0)

▲ 500 ▼

Release date ≈ Q1 2015.

Effective Speed -91%Effective Speed -91%Average User Bench -167%Read -7%, Write -340%, 4K Read -65%, 4K Write -100%, Mixed -194%, 4K Mixed -200%, SusWrite -263%Peak Lab Bench -124%Read -3%, Write -253%, 4K Read -59%, 4K Write -69%, Mixed -102%, 4K Mixed -162%, SusWrite -217%Value & Sentiment -4,463%User Rating -71%, Market Share -8,856%Nice To Haves -176%DQ Read -5%, DQ Write -156%, DQ Mixed -422%, ADQ Read -23%, ADQ Write -223%, ADQ Mixed -523%, Age -11%, AS-SSD Total -44%

Average Bench: 54.2% (790^th of 1010)

Based on 915 user benchmarks. Model: SAMSUNG SSD PM851 M.2 2280 128GB

Poor: 37%Average: 54.2% Great: 69%

Popular builds with this SSD

Average average bench

The Samsung PM851 M.2 2280 128GB averaged 45.7% 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 271MB/s

Avg. 4K Random Read Speed 22MB/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 31.9%. This is a relatively narrow range which indicates that the Samsung PM851 M.2 2280 128GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 87.5MB/s

Avg. Sequential Write Speed 95.4MB/s

Average Bench

(Based on 915 samples)

Rank 79054.2%

Min	Avg	Max
318	Read 437	494
29.2	Write 95.4	138
49.4	Mixed 124	205
26.5	SusWrite 87.5	132
40.4% 186 MB/s

Min	Avg	Max
11.5	4K Read 22	28.3
21.5	4K Write 46.4	74.5
7.99	4K Mixed 16.1	23.2
78.5% 28.2 MB/s

Min	Avg	Max
23	DQ Read 271	364
28.9	DQ Write 92	140
9.11	DQ Mixed 43.6	64.2
68.3% 136 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

IND-User, 6 days ago.

57GB free (System drive)

Firmware: EXT25D0Q

SusWrite @10s intervals: 121 134 135 127 122 133 MB/s

68% Good

Write 141

Mixed 154

SusWrite 129

49% 225 MB/s

4K Read 26.5

4K Write 60.2

4K Mixed 21.5

100% 36.1 MB/s

DQ Read 366

DQ Write 142

DQ Mixed 65.8

98% 191 MB/s

IND-User, 6 days ago.

57GB free (System drive)

Firmware: EXT25D0Q

SusWrite @10s intervals: 112 132 135 137 123 118 MB/s

67.6% Good

Write 140

Mixed 158

SusWrite 126

49% 222 MB/s

4K Read 27.1

4K Write 62

4K Mixed 21.5

101% 36.9 MB/s

DQ Read 362

DQ Write 140

DQ Mixed 59.4

94% 187 MB/s

USA-User, 8 days ago.

81GB free (System drive)

Firmware: EXT25D0Q

SusWrite @10s intervals: 125 130 121 116 125 114 MB/s

59.6% Above average

Write 132

Mixed 148

SusWrite 122

46% 209 MB/s

4K Read 23.9

4K Write 38.2

4K Mixed 20.4

83% 27.5 MB/s

DQ Read 330

DQ Write 105

DQ Mixed 59.9

86% 165 MB/s

USA-User, 2 days ago.

19GB free (System drive)

Firmware: EXT25D0Q

SusWrite @10s intervals: 62 39 46 32 30 30 MB/s

58.9% Above average

Write 91.5

Mixed 126

SusWrite 40

39% 179 MB/s

4K Read 24.3

4K Write 54.2

4K Mixed 22.4

94% 33.6 MB/s

DQ Read 360

DQ Write 78.2

DQ Mixed 58.3

84% 165 MB/s

LTU-User, 5 hrs ago.

57GB free (System drive)

Firmware: EXT25D0Q

SusWrite @10s intervals: 90 102 107 109 96 95 MB/s

55.5% Above average

Write 110

Mixed 124

SusWrite 99.9

42% 192 MB/s

4K Read 17.9

4K Write 41.3

4K Mixed 19.2

74% 26.1 MB/s

DQ Read 336

DQ Write 96.5

DQ Mixed 59.3

84% 164 MB/s

CAN-User, 6 days ago.

36GB free (System drive)

Firmware: EXT25D0Q

SusWrite @10s intervals: 31 31 30 30 28 32 MB/s

40.6% Average

Write 83.3

Mixed 60.3

SusWrite 30.2

28% 131 MB/s

4K Read 16

4K Write 22.9

4K Mixed 17.2

58% 18.7 MB/s

DQ Read 261

DQ Write 39

DQ Mixed 44.1

59% 115 MB/s

915 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 18,540,655 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 1,730 builds) See popular component choices, score breakdowns and rankings.

Gaming 13%

Tree trunk

Desktop 48%

Yacht

Workstation 32%

Sail boat

System: Alienware 17 R2

CPU
Core i7-4710HQIntelBench 51%, 46,592 samples	813x
Core i7-4720HQIntelBench 53%, 51,288 samples	636x
Core i7-4980HQIntelBench 58%, 1,039 samples	280x

GPU
HD 4600 (Mobile 1.15 GHz)IntelBench 3%, 182,848 samples	749x
GTX 980MNvidiaBench 41%, 10,260 samples	378x
GTX 970MNvidiaBench 31%, 16,303 samples	332x

SSD
PM851 M.2 2280 128GBSamsungBench 54%, 915 samples	196x

RAM
HMT41GS6BFR8A-PB 2x8GBHynixBench 53%, 19,036 samples	432x
M471B1G73EB0-YK0 2x8GBSamsungBench 52%, 5,704 samples	214x
HMT451S6BFR8A-PB 2x4GBHynixBench 49%, 22,685 samples	176x

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

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CPU

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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 2019 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.

1010 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 i5-9400F $148	Nvidia GTX 1660 $210	Samsung 850 Evo 250GB $57
Intel Core i5-9600K $240	Nvidia GTX 1660-Ti $270	Samsung 850 Evo 500GB $107
Intel Core i7-9700K $350	Nvidia RTX 2060 $342	Samsung 850 Pro 256GB $160

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $40	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77	SanDisk Extreme 64GB $88
Seagate Barracuda 3TB (2016) $78	G.SKILL Trident Z DDR4 3200 C14 4x16GB $612	SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $35	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $83	SanDisk Ultra Fit 32GB $14

Samsung

PM851 M.2 2280 128GB

Average Bench: 54.2% (790^th of 1010)

Popular builds with this SSD

Average average bench

Strengths

Above average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Alienware 17 R2

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: 54.2% (790th of 1010)

Popular builds with this SSD

Average average bench

Strengths

Above average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Alienware 17 R2

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

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Average Bench: 54.2% (790^th of 1010)