Samsung

PM851 M.2 2280 128GB

PM851 M.2 2280 128GB
BENCHMARKS (1,185)
MKT (0%)
BUILDS
(0)

Effective Speed -77%Effective Speed -77%Average Score -153%Read -8%, Write -323%, 4K Read -55%, 4K Write -94%, Mixed -208%, 4K Mixed -142%, SusWrite -242%Peak Score -116%Read -3%, Write -247%, 4K Read -41%, 4K Write -42%, Mixed -156%, 4K Mixed -129%, SusWrite -196%Value & Sentiment User Rating -13%, Market Share -∞%Nice To Haves -147%DQ Read -0%, DQ Write -154%, DQ Mixed -388%, ADQ Read -2%, ADQ Write -209%, ADQ Mixed -373%, Age -13%, AS-SSD Total -37%

Average Bench: 55.4% (814^th of 1040)

Based on 1,185 user benchmarks. Model: SAMSUNG SSD PM851 M.2 2280 128GB

Poor: 37%Average: 55.4% Great: 73%

Popular builds with this SSD

Average average bench

The Samsung PM851 M.2 2280 128GB averaged 44.5% 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 312MB/s

Avg. 4K Random Read Speed 21.6MB/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 35.4%. 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 87MB/s

Avg. Sequential Write Speed 96.5MB/s

Average Bench

(Based on 1,185 samples)

Rank 81455.4%

Min	Avg	Max
327	Read 426	488
30.5	Write 96.5	139
50.9	Mixed 116	162
25.9	SusWrite 87	133
39.4% 181 MB/s

Min	Avg	Max
10.9	4K Read 21.6	29
22	4K Write 45.5	84.6
11	4K Mixed 18.4	24.6
80.4% 28.5 MB/s

Min	Avg	Max
179	DQ Read 312	365
29.2	DQ Write 92.5	141
30.1	DQ Mixed 53.3	65.2
78.1% 152 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

MEX-User, 2 days ago.

30GB free

Firmware: EXT25D0Q

SusWrite @10s intervals: 76 65 57 61 63 53 MB/s

58.1% Above average

Write 86.3

Mixed 113

SusWrite 62.2

38% 174 MB/s

4K Read 28

4K Write 49.5

4K Mixed 17.5

91% 31.7 MB/s

DQ Read 360

DQ Write 94.3

DQ Mixed 52.5

84% 169 MB/s

USA-User, 3 days ago.

17GB free (System drive)

Firmware: EXT25D0Q

SusWrite @10s intervals: 88 105 117 81 91 115 MB/s

54.1% Above average

Write 52.5

Mixed 69

SusWrite 99.7

34% 158 MB/s

4K Read 22.3

4K Write 31.9

4K Mixed 19

75% 24.4 MB/s

DQ Read 357

DQ Write 40

DQ Mixed 33.9

67% 144 MB/s

CAN-User, 1 day ago.

63GB free (System drive)

Firmware: EXT25D0Q

SusWrite @10s intervals: 92 82 101 100 99 91 MB/s

47.1% Average

Write 114

Mixed 138

SusWrite 94.1

42% 192 MB/s

4K Read 16.4

4K Write 26

4K Mixed 15.6

59% 19.3 MB/s

DQ Read 186

DQ Write 109

DQ Mixed 52

64% 116 MB/s

1,185 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 38,031,343 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 580 builds) See popular component choices, score breakdowns and rankings.

Gaming 7%

Tree trunk

Desktop 61%

Destroyer

Workstation 7%

Tree trunk

System: Alienware 15

CPU
Core i7-4710HQIntelBench 66%, 61,196 samples	272x
Core i7-4720HQIntelBench 67%, 69,336 samples	199x
Core i5-4210HIntelBench 58%, 9,651 samples	99x

GPU
HD 4600 (Mobile 1.15 GHz)IntelBench 3%, 207,246 samples	301x
GTX 970MNvidiaBench 31%, 21,569 samples	135x
GTX 980MNvidiaBench 41%, 13,213 samples	58x

SSD
PM851 M.2 2280 128GBSamsungBench 55%, 1,185 samples	63x

RAM
HMT41GS6BFR8A-PB 2x8GBHynixBench 52%, 27,382 samples	115x
HMT451S6BFR8A-PB 2x4GBHynixBench 48%, 32,350 samples	69x
M471B1G73EB0-YK0 2x8GBSamsungBench 52%, 8,861 samples	48x

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.
- 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) January 2021 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.

1040 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 i5-10600K $257	Nvidia RTX 3060-Ti $400	Crucial MX500 250GB $47
Intel Core i5-9600K $219	Nvidia RTX 3070 $500	Samsung 850 Evo 120GB $78
Intel Core i5-10400F $161	Nvidia GTX 1660S (Super) $240	Samsung 860 Evo 250GB $40

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $43	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $29	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $71	SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85	G.SKILL Trident Z DDR4 3200 C14 4x16GB $649	SanDisk Ultra Fit 32GB $16

Samsung

PM851 M.2 2280 128GB

Average Bench: 55.4% (814^th of 1040)

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: 55.4% (814th of 1040)

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

Share a related link

Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Feedback

Average Bench: 55.4% (814^th of 1040)