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Nvme

SAMSUNG KUS04020 512GB

▲ 500 ▼

Release date ≈ Q1 2018.

Average Bench: 141% (169th of 1074)

Based on 10 user benchmarks.  Model: NVMe SAMSUNG KUS04020
Poor: 79%Average: 141% Great: 168%

Popular builds with this SSD

Outstanding average bench

The Nvme SAMSUNG KUS04020 512GB averaged 41.1% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Nvme SAMSUNG KUS04020 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 386MB/s
Avg. 4K-64Thread Read Speed 528MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Nvme SAMSUNG KUS04020 512GB is 89.2%. This is a particularly wide range which indicates that the Nvme SAMSUNG KUS04020 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 516MB/s
Avg. Sustained Write Speed 518MB/s
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Average Bench

(Based on 10 samples)
Rank 169141%
Min Avg Max
348 Read 787 1,314
219 Write 633 870
172 Mixed 516 1,089
259 SusWrite 518 607
137% 613 MB/s
Min Avg Max
28.3 4K Read 41.8 54.3
37.2 4K Write 89.9 138
27.8 4K Mixed 43.7 68
167% 58.5 MB/s
Min Avg Max
25.8 DQ Read 528 981
97 DQ Write 434 808
38.6 DQ Mixed 386 712
315% 449 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
364GB free (System drive)
Firmware: DXY8AM1Q Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 680 558 562 563 569 565 MB/s
170% Outstanding
Read 601
Write 641
Mixed 308
SusWrite 583
120% 533 MB/s
4K Read 54.1
4K Write 119
4K Mixed 68
232% 80.2 MB/s
DQ Read 979
DQ Write 742
DQ Mixed 712
573% 811 MB/s
361GB free (System drive)
Firmware: DXY86M1Q Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 652 583 579 580 570 580 MB/s
168% Outstanding
Read 554
Write 636
Mixed 302
SusWrite 591
117% 521 MB/s
4K Read 53.6
4K Write 130
4K Mixed 63.3
231% 82.3 MB/s
DQ Read 954
DQ Write 778
DQ Mixed 663
552% 798 MB/s
426GB free (System drive)
Firmware: DXY86M1Q Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 676 601 598 596 597 599 MB/s
161% Outstanding
Read 755
Write 658
Mixed 372
SusWrite 611
134% 599 MB/s
4K Read 42.5
4K Write 108
4K Mixed 60.2
199% 70.2 MB/s
DQ Read 755
DQ Write 668
DQ Mixed 679
518% 701 MB/s
432GB free (System drive)
Firmware: DXY86M1Q Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 705 577 595 584 591 591 MB/s
155% Outstanding
Read 596
Write 634
Mixed 323
SusWrite 607
122% 540 MB/s
4K Read 54.3
4K Write 138
4K Mixed 27.8
191% 73.4 MB/s
DQ Read 981
DQ Write 808
DQ Mixed 706
580% 831 MB/s
341GB free (System drive)
Firmware: DXY86M1Q Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 316 410 468 443 447 463 MB/s
84.9% Excellent
Read 541
Write 421
Mixed 319
SusWrite 424
96% 426 MB/s
4K Read 30.9
4K Write 37.2
4K Mixed 30.9
106% 33 MB/s
DQ Read 25.8
DQ Write 174
DQ Mixed 38.6
48% 79.4 MB/s
327GB free (System drive)
Firmware: DXY86M1Q Max speed: PCIe 16,000 MB/s
SusWrite @10s intervals: 311 274 294 209 249 218 MB/s
78.6% Very good
Read 348
Write 219
Mixed 172
SusWrite 259
56% 249 MB/s
4K Read 36.8
4K Write 52.4
4K Mixed 32.5
125% 40.6 MB/s
DQ Read 382
DQ Write 97
DQ Mixed 206
160% 229 MB/s

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,995,128 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 SAMSUNG KUS04020 512GB Builds (Compare 692 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 9%
Tree trunk
Desktop
Desktop 51%
Yacht
Workstation
Workstation 8%
Tree trunk

System: Microsoft Surface Laptop

CPU
Core i5-7200UIntelBench 45%, 205,332 samples297x
Core i7-7660UIntelBench 54%, 4,146 samples245x
Core i5-7300UIntelBench 45%, 24,421 samples128x
GPU
HD 620 (Mobile Kaby Lake)IntelBench 5%, 387,149 samples425x
Iris Plus 640 (Mobile Kaby Lake)IntelBench 7%, 7,552 samples245x
HD 615 (Mobile Kaby Lake)IntelBench 3%, 11,115 samples22x
SSD
SAMSUNG KUS04020 512GBNvmeBench 141%, 10 samples1x
RAM
2x4GBSamsungBench 59%, 26,293 samples232x
H9CCNNNBLTBLAR-NUD 2x4GBHynixBench 62%, 1,005 samples147x
H9CCNNNBJTALAR-NUD 2x4GBHynixBench 61%, 14,211 samples88x
EDIT WITH CUSTOM PC BUILDER

Popular SAMSUNG KUS04020 512GB 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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Gaming Desktop ProGaming

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) May 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]

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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.

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Speed Comparisons

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1074 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 »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-12600K $176Nvidia RTX 4060 $293Crucial MX500 250GB $39
Intel Core i5-12400F $124Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-13600K $260Nvidia RTX 4070 $550Samsung 870 Evo 250GB $45
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $39Corsair Vengeance LPX DDR4 3000 C15 2x8GB $48SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $62G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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