Average Bench: 73.5% (435th of 959)

Based on 7,484 user benchmarks.  Model: KINGSTON SUV400S37480G

Good average bench

The Kingston SSDNow UV400 480GB averaged 26.5% 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 138MB/s
Avg. 4K Random Read Speed 24.9MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Kingston SSDNow UV400 480GB is 45%. 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 182MB/s
Avg. Sequential Mixed IO Speed 241MB/s

Average Bench

(Based on 7,484 samples)
Min Avg Max
329 Read 441 502
314 Write 407 464
30.2 Mixed 241 358
153 SusWrite 182 205
71% 318 MB/s
Min Avg Max
8.62 4K Read 24.9 33.3
32.3 4K Write 69.4 105
4.32 4K Mixed 28.8 42.8
111% 41 MB/s
Min Avg Max
65.1 DQ Read 267 329
81.6 DQ Write 214 288
38.5 DQ Mixed 138 187
131% 206 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
290GB free (System drive)
Firmware: 0C3J96R9
SusWrite @10s intervals: 362 262 161 146 115 108 MB/s
Read 463
Write 432
Mixed 313
SusWrite 192
78% 350 MB/s
4K Read 28.9
4K Write 76.3
4K Mixed 38.3
133% 47.8 MB/s
DQ Read 259
DQ Write 278
DQ Mixed 131
137% 223 MB/s
58GB free (System drive)
Firmware: 0C3G37R5
SusWrite @10s intervals: 290 179 163 156 109 99 MB/s
Read 441
Write 361
Mixed 311
SusWrite 166
71% 320 MB/s
4K Read 24.7
4K Write 52.6
4K Mixed 31.4
106% 36.2 MB/s
DQ Read 95.8
DQ Write 224
DQ Mixed 82.3
85% 134 MB/s
38GB free
Firmware: 0C3FD6SD
SusWrite @10s intervals: 307 313 182 131 113 93 MB/s
Read 312
Write 383
Mixed 182
SusWrite 190
60% 267 MB/s
4K Read 26.1
4K Write 71.9
4K Mixed 0.3
78% 32.8 MB/s
DQ Read 183
DQ Write 190
DQ Mixed 130
113% 168 MB/s
7,484 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 9,161,475 SSDs tested.


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Typical SSDNow UV400 480GB Builds (Compare 18,323 builds) See popular component choices, score breakdowns and rankings.
Gaming 92%
Nuclear submarine
Desktop 79%
Workstation 62%

Motherboard: Asus Z170 PRO GAMING - $157

EDIT WITH CUSTOM PC BUILDER Value: 92% - Outstanding Total price: $1,110

Popular SSDNow UV400 480GB compatible motherboards:

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 2018 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.


11 months 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.

959 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 i7-8700K $369Nvidia GTX 1070 $345Samsung 850 Evo 250GB $100
AMD Ryzen 5 1600 $155Nvidia GTX 1060-6GB $249Samsung 850 Evo 500GB $98
Intel Core i7-7700K $350AMD RX 480 $280Samsung 850 Pro 256GB $163
Seagate Barracuda 1TB (2016) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $869SanDisk Extreme 64GB $42
Seagate Barracuda 3TB (2016) $80Corsair Vengeance LPX DDR4 3000 C15 2x8GB $148SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $145SanDisk Ultra Fit 32GB $12
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