Average Bench: 115% (172nd of 1040)

Based on 6,331 user benchmarks.  Model: KINGSTON RBUSNS8154P3512GJ

Outstanding average bench

The Kingston RBUSNS8154P3512GJ 512GB averaged 15.5% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Kingston RBUSNS8154P3512GJ 512GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 615MB/s
Avg. 4K-64Thread Read Speed 796MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the Kingston RBUSNS8154P3512GJ 512GB is 63.1%. This is a particularly wide range which indicates that the Kingston RBUSNS8154P3512GJ 512GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 428MB/s
Avg. 4K Random Write Speed 64MB/s

Average Bench

(Based on 6,331 samples)
Min Avg Max
423 Read 581 745
429 Write 687 920
361 Mixed 589 784
208 SusWrite 428 556
129% 571 MB/s
Min Avg Max
12.4 4K Read 24.8 34
31.4 4K Write 64 93.8
18.2 4K Mixed 34.2 47.2
115% 41 MB/s
Min Avg Max
334 DQ Read 796 926
287 DQ Write 575 743
295 DQ Mixed 615 818
479% 662 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
300GB free (System drive)
Firmware: E8FK11.C
SusWrite @10s intervals: 662 490 503 501 515 511 MB/s
Read 541
Write 770
Mixed 630
SusWrite 530
140% 618 MB/s
4K Read 28.3
4K Write 63.7
4K Mixed 37.4
124% 43.1 MB/s
DQ Read 928
DQ Write 745
DQ Mixed 820
618% 831 MB/s
267GB free (System drive)
Firmware: E8FK11.C
SusWrite @10s intervals: 438 451 419 388 461 365 MB/s
Read 628
Write 720
Mixed 625
SusWrite 420
135% 598 MB/s
4K Read 26.7
4K Write 48
4K Mixed 33.6
109% 36.1 MB/s
DQ Read 928
DQ Write 710
DQ Mixed 816
611% 818 MB/s
33GB free (System drive)
Firmware: E8FK11.C
SusWrite @10s intervals: 457 425 458 258 266 274 MB/s
Read 369
Write 467
Mixed 341
SusWrite 356
87% 383 MB/s
4K Read 9.7
4K Write 57.9
4K Mixed 10.8
59% 26.1 MB/s
DQ Read 758
DQ Write 468
DQ Mixed 408
359% 545 MB/s
6,331 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 34,550,180 SSDs tested.

Typical RBUSNS8154P3512GJ 512GB Builds (Compare 223 builds) See popular component choices, score breakdowns and rankings.
Gaming 55%
Desktop 84%
Aircraft carrier
Workstation 48%

System: Asus Zephyrus S GX531GS_GX531GS


Popular RBUSNS8154P3512GJ 512GB 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.

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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) November 2020 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

 Best User Rated

The Best.
Intel Core i5-9600K $190Nvidia RTX 3070 $500Crucial MX500 250GB $34
Intel Core i5-9400F $145Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $78
Intel Core i5-10600K $260Nvidia GTX 1650S (Super) $190Samsung 860 Evo 250GB $50
Seagate Barracuda 1TB (2016) $35Corsair Vengeance LPX DDR4 3200 C16 2x8GB $71SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $29Corsair Vengeance LPX DDR4 3000 C15 2x8GB $69SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Extreme 16GB $28
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