Average Bench: 73.6% (563rd of 1040)

Based on 16,611 user benchmarks.  Model: KINGSTON SUV400S37480G

Good average bench

The Kingston SSDNow UV400 480GB averaged 26.3% 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 141MB/s
Avg. 4K Random Read Speed 24.6MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Kingston SSDNow UV400 480GB is 39.5%. This is a relatively wide range which indicates that the Kingston SSDNow UV400 480GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 183MB/s
Avg. Sequential Mixed IO Speed 239MB/s

Average Bench

(Based on 16,611 samples)
Min Avg Max
327 Read 448 502
318 Write 410 466
28.5 Mixed 239 356
148 SusWrite 183 206
71.4% 320 MB/s
Min Avg Max
7.69 4K Read 24.6 33.2
35.3 4K Write 70.1 99.9
3.45 4K Mixed 28.9 42.1
111% 41.2 MB/s
Min Avg Max
136 DQ Read 275 327
86.1 DQ Write 198 288
73.8 DQ Mixed 141 188
131% 205 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
49GB free (System drive)
Firmware: 0C3FD6SD
SusWrite @10s intervals: 415 295 210 106 10 7.8 MB/s
Read 460
Write 420
Mixed 318
SusWrite 174
77% 343 MB/s
4K Read 27.9
4K Write 76.2
4K Mixed 35.2
128% 46.4 MB/s
DQ Read 321
DQ Write 271
DQ Mixed 184
168% 259 MB/s
397GB free (System drive)
Firmware: 0C3FD6SD
SusWrite @10s intervals: 224 328 180 130 108 104 MB/s
Read 444
Write 411
Mixed 313
SusWrite 179
75% 337 MB/s
4K Read 26
4K Write 92
4K Mixed 13.1
105% 43.7 MB/s
DQ Read 294
DQ Write 137
DQ Mixed 151
129% 194 MB/s
16,611 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 33,128,534 SSDs tested.


EbayUS $12621 mins
AmazonUS $12911 mins
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Typical SSDNow UV400 480GB Builds (Compare 21,601 builds) See popular component choices, score breakdowns and rankings.
Gaming 2%
Tree trunk
Desktop 65%
Battle cruiser
Workstation 2%
Tree trunk

Disqualified System: bin bin

EDIT WITH CUSTOM PC BUILDER Value: 55% - Above average Total price: $423

Popular SSDNow UV400 480GB 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) October 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.


Added n/a ago.


2 years ago.

It has a higher reading power in overall, that is far better than writing, the main goal is to read things, not overwrite all day long.

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 $185Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $46
Intel Core i5-9400F $142Nvidia RTX 3080 $700Samsung 850 Evo 120GB $78
Intel Core i5-10600K $260Nvidia GTX 1650S (Super) $170Samsung 860 Evo 250GB $49
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $69SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $69SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $548SanDisk Extreme 16GB $28
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