Average Bench: 131% (162nd of 1058)

Based on 3,849 user benchmarks.  Model: KINGSTON RBUSNS8154P3512GJ1

Outstanding average bench

The Kingston RBUSNS8154P3512GJ1 512GB averaged 30.8% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Kingston RBUSNS8154P3512GJ1 512GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 629MB/s
Avg. 4K-64Thread Read Speed 796MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the Kingston RBUSNS8154P3512GJ1 512GB is 70.9%. This is a particularly wide range which indicates that the Kingston RBUSNS8154P3512GJ1 512GB performs inconsistently under varying real world conditions.


Avg. 4K Random Write Speed 63.8MB/s
Avg. Sustained Write Speed 484MB/s

Average Bench

(Based on 3,849 samples)
Min Avg Max
511 Read 768 916
496 Write 790 950
413 Mixed 720 861
259 SusWrite 484 626
155% 690 MB/s
Min Avg Max
14.5 4K Read 31.8 40.5
26.4 4K Write 63.8 95.8
17.2 4K Mixed 37.8 49.1
130% 44.5 MB/s
Min Avg Max
332 DQ Read 796 944
178 DQ Write 569 751
219 DQ Mixed 629 800
484% 665 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
402GB free (System drive)
Firmware: E8FK12.3
SusWrite @10s intervals: 620 516 693 520 517 515 MB/s
Read 890
Write 922
Mixed 860
SusWrite 563
182% 809 MB/s
4K Read 33.7
4K Write 67
4K Mixed 41.8
140% 47.5 MB/s
DQ Read 936
DQ Write 636
DQ Mixed 761
575% 778 MB/s
394GB free (System drive)
Firmware: E8FK12.3
SusWrite @10s intervals: 705 683 519 507 502 504 MB/s
Read 906
Write 916
Mixed 774
SusWrite 570
178% 792 MB/s
4K Read 21.6
4K Write 66.1
4K Mixed 41.1
120% 42.9 MB/s
DQ Read 909
DQ Write 588
DQ Mixed 711
540% 736 MB/s
3,849 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 43,100,489 SSDs tested.

Typical RBUSNS8154P3512GJ1 512GB Builds (Compare 14,822 builds) See popular component choices, score breakdowns and rankings.
Gaming 8%
Tree trunk
Desktop 69%
Battle cruiser
Workstation 8%
Tree trunk

System: Acer Nitro AN515-54


Popular RBUSNS8154P3512GJ1 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) May 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.


1058 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 i5-11400F $220Nvidia RTX 3060-Ti $400Crucial MX500 250GB $49
Intel Core i5-11600K $259Nvidia RTX 3070 $500Samsung 850 Evo 120GB $78
Intel Core i5-10600K $210Nvidia RTX 3080 $700Samsung 860 Evo 250GB $50
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $102SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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