Average Bench: 97.4% (251st of 1058)

Based on 6,894 user benchmarks.  Model: KINGSTON RBUSNS8154P3256GJ3

Excellent average bench

The Kingston RBUSNS8154P3256GJ3 256GB averaged just 2.6% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Kingston RBUSNS8154P3256GJ3 256GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 401MB/s
Avg. 4K-64Thread Read Speed 533MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the Kingston RBUSNS8154P3256GJ3 256GB is 73%. This is a particularly wide range which indicates that the Kingston RBUSNS8154P3256GJ3 256GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 234MB/s
Avg. 4K Random Write Speed 64.1MB/s

Average Bench

(Based on 6,894 samples)
Min Avg Max
349 Read 671 796
239 Write 571 840
220 Mixed 511 773
99.9 SusWrite 234 335
111% 497 MB/s
Min Avg Max
10.5 4K Read 30.6 34.6
21.4 4K Write 64.1 98.7
10.6 4K Mixed 30.4 47.1
119% 41.7 MB/s
Min Avg Max
304 DQ Read 533 702
174 DQ Write 391 694
183 DQ Mixed 401 587
316% 442 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
194GB free (System drive)
Firmware: E8FK1A.2
SusWrite @10s intervals: 522 215 232 230 213 225 MB/s
Read 764
Write 810
Mixed 768
SusWrite 273
147% 654 MB/s
4K Read 32.8
4K Write 81.6
4K Mixed 42.5
147% 52.3 MB/s
DQ Read 685
DQ Write 199
DQ Mixed 138
181% 341 MB/s
68GB free (System drive)
Firmware: E8FK11.T
SusWrite @10s intervals: 373 178 177 169 174 175 MB/s
Read 514
Write 501
Mixed 454
SusWrite 208
94% 419 MB/s
4K Read 21.3
4K Write 47.3
4K Mixed 32.7
99% 33.8 MB/s
DQ Read 603
DQ Write 363
DQ Mixed 413
326% 460 MB/s
53GB free (System drive)
Firmware: E8FK1A.2
SusWrite @10s intervals: 376 186 172 170 164 165 MB/s
Read 622
Write 600
Mixed 531
SusWrite 205
110% 489 MB/s
4K Read 21.2
4K Write 43.4
4K Mixed 24.8
87% 29.8 MB/s
DQ Read 666
DQ Write 129
DQ Mixed 26.2
115% 274 MB/s
6,894 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 49,497,146 SSDs tested.

Typical RBUSNS8154P3256GJ3 256GB Builds (Compare 13,123 builds) See popular component choices, score breakdowns and rankings.
Gaming 27%
Desktop 66%
Battle cruiser
Workstation 23%

System: Asus TUF Gaming FX505DT_FX505DT


Popular RBUSNS8154P3256GJ3 256GB 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.
  • - 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) December 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.


Added n/a ago.


2 months ago.

Good ssd but ı didnt find same.

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 i5-12600K $300Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11600K $220Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-11700K $315Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $67SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $74SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $71G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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