512GB SSD 512GB

512GB SSD 512GB
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Effective Speed -572%Effective Speed -572%Average Score -665%Read -1,007%, Write -1,302%, 4K Read -175%, 4K Write -127%, Mixed -891%, 4K Mixed -283%, SusWrite -872%Peak Score -1,025%Read -1,439%, Write -1,786%, 4K Read -540%, 4K Write -303%, Mixed -1,234%, 4K Mixed -578%, SusWrite -1,298%Value & Sentiment User Rating -36%, Market Share -∞%Nice To Haves -1,754%DQ Read -1,795%, DQ Write -903%, DQ Mixed -4,875%, ADQ Read -1,302%, ADQ Write -562%, ADQ Mixed -3,428%, Age -15%, AS-SSD Total -1,151%

Black SN850X M.2 2TB

Average Bench: 79.8% (497^th of 1080)

Based on 1 user benchmark. Model: KSM 512GB SSD

Poor: 80%Average: 79.8% Great: 80%

Popular builds with this SSD

Good average bench

The KSM 512GB SSD 512GB averaged 20.2% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the KSM 512GB SSD 512GB near the top of the comparison list.

Strengths

Avg. 4K Random Write Speed 89.2MB/s

Avg. 4K Random Read Speed 29.9MB/s

See where your SSD ranks →

Unknown consistency

There are too few samples to reasonably determine how consistently this SSD perfroms. This result should be interpreted with caution.

Weaknesses

Avg. 4K-64Thread Read Speed 122MB/s

Avg. 4K-64Thread Mixed IO Speed 42.1MB/s

Average Bench

(Based on 1 sample)

Rank 49779.8%

Min	Avg	Max
370	Read 370	370
326	Write 326	326
316	Mixed 316	316
327	SusWrite 327	327
75.3% 334 MB/s

Min	Avg	Max
29.9	4K Read 29.9	29.9
89.2	4K Write 89.2	89.2
27.2	4K Mixed 27.2	27.2
127% 48.8 MB/s

Min	Avg	Max
122	DQ Read 122	122
190	DQ Write 190	190
42.1	DQ Mixed 42.1	42.1
63.8% 118 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

BGD-User, 17 months ago.

269GB free (System drive)

Firmware: S1102A1

SusWrite @10s intervals: 313 323 332 333 329 331 MB/s

79.8% Very good

Write 326

Mixed 316

SusWrite 327

75% 334 MB/s

4K Read 29.9

4K Write 89.2

4K Mixed 27.2

127% 48.8 MB/s

DQ Read 122

DQ Write 190

DQ Mixed 42.1

64% 118 MB/s

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 76,289,863 SSDs tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

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CPU

GPU

SSD

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Typical 512GB SSD 512GB Builds (Compare 6,615 builds) See popular component choices, score breakdowns and rankings

Gaming 9%

Tree trunk

Desktop 62%

Destroyer

Workstation 8%

Tree trunk

Motherboard: Dell OptiPlex 3020

CPU
Core i5-4590Intel $188Bench 63%, 151,366 samples	2,381x
Core i5-4570Intel $99Bench 62%, 129,272 samples	1,505x
Core i3-4130Intel $42Bench 52%, 49,509 samples	500x

GPU
HD 4600 (Desktop 1.25 GHz)Intel $15Bench 3%, 230,189 samples	1,761x
HD 4400 (Desktop 1.15 GHz)IntelBench 3%, 64,721 samples	657x
GT 1030NvidiaBench 14%, 185,384 samples	504x

SSD
512GB SSD 512GBKSMBench 80%, 1 sample	1x

RAM
2x8GBUnknownBench 64%, 236,291 samples	353x
8JTF51264AZ-1G6E1 2x4GBMicronBench 52%, 17,707 samples	219x
HMT451U6AFR8C-PB 2x4GBHynixBench 52%, 14,558 samples	178x

EDIT WITH CUSTOM PC BUILDER

Value: 69% - Good

Total price: $203

Popular 512GB SSD 512GB compatible motherboards:

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

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ProGaming

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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) June 2024 SSD Rankings

Welcome to our 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.

1080 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 $171	Nvidia RTX 4060 $293	WD Black SN850X M.2 2TB $150
Intel Core i5-13600K $270	Nvidia RTX 4060-Ti $388	WD Black SN850X M.2 1TB $89
Intel Core i5-12400F $110	Nvidia RTX 4070 $520	Crucial T700 M.2 4TB $353

KSM

512GB SSD 512GB

Average Bench: 79.8% (497^th of 1080)

Popular builds with this SSD

Good average bench

Strengths

Unknown consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

Motherboard: Dell OptiPlex 3020

Popular 512GB SSD 512GB compatible motherboards:

UserBenchmark of the month

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KSM

512GB SSD 512GB

Average Bench: 79.8% (497th of 1080)

Popular builds with this SSD

Good average bench

Strengths

Unknown consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

Motherboard: Dell OptiPlex 3020

Popular 512GB SSD 512GB compatible motherboards:

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: 79.8% (497^th of 1080)