Average Bench: 70.2% (629th of 1040)

Based on 720 user benchmarks.  Model: KINGSTON RBU-SC400S37128G

Good average bench

The Kingston RBU-SC400S37128G 128GB averaged 29.8% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.


Avg. 4K-64Thread Mixed IO Speed 112MB/s
Avg. 4K Random Write Speed 86.5MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Kingston RBU-SC400S37128G 128GB is 25.5%. This is a relatively narrow range which indicates that the Kingston RBU-SC400S37128G 128GB performs reasonably consistently under varying real world conditions.


Avg. Sustained Write Speed 120MB/s
Avg. Sequential Write Speed 156MB/s

Average Bench

(Based on 720 samples)
Min Avg Max
297 Read 362 431
138 Write 156 170
166 Mixed 199 220
85.5 SusWrite 120 143
46.3% 209 MB/s
Min Avg Max
20.8 4K Read 29.6 36.2
41.8 4K Write 86.5 112
23.4 4K Mixed 34.1 42.2
134% 50.1 MB/s
Min Avg Max
125 DQ Read 178 213
121 DQ Write 155 166
66.6 DQ Mixed 112 132
99% 148 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
20GB free (System drive)
Firmware: 505ABBF0
SusWrite @10s intervals: 115 138 139 141 124 123 MB/s
Read 417
Write 162
Mixed 203
SusWrite 130
50% 228 MB/s
4K Read 28.1
4K Write 76.2
4K Mixed 34.3
127% 46.2 MB/s
DQ Read 193
DQ Write 154
DQ Mixed 106
98% 151 MB/s
44GB free (System drive)
Firmware: 505ABBF0
SusWrite @10s intervals: 138 125 123 121 117 114 MB/s
Read 363
Write 160
Mixed 194
SusWrite 123
46% 210 MB/s
4K Read 32
4K Write 83.9
4K Mixed 35.9
139% 50.6 MB/s
DQ Read 149
DQ Write 157
DQ Mixed 98.6
89% 135 MB/s
720 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 34,684,486 SSDs tested.

Typical RBU-SC400S37128G 128GB Builds (Compare 232 builds) See popular component choices, score breakdowns and rankings.
Gaming 31%
Sail boat
Desktop 83%
Aircraft carrier
Workstation 26%

System: Asus G30AB

EDIT WITH CUSTOM PC BUILDER Value: 54% - Above average Total price: $522

Popular RBU-SC400S37128G 128GB 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.

UserBenchmark of the month

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 GTX 1660S (Super) $240Crucial MX500 250GB $34
Intel Core i5-9400F $148Nvidia RTX 3070 $500Samsung 850 Evo 120GB $78
Intel Core i5-10600K $260Nvidia GTX 1650S (Super) $190Samsung 860 Evo 250GB $44
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $64SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $69SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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