Average Bench: 58.5% (531st of 860)

Based on 14,099 user benchmarks.  Models: KINGSTON SUV400S37240G, KINGSTON SUV400S3724

Average average bench

The Kingston SSDNow UV400 240GB averaged 41.5% 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 Random Read Speed 25MB/s
Avg. Sequential Read Speed 460MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Kingston SSDNow UV400 240GB is 26.2%. This is a relatively narrow range which indicates that the Kingston SSDNow UV400 240GB performs reasonably consistently under varying real world conditions.


Avg. 4K-64Thread Mixed IO Speed 19.2MB/s
Avg. 4K Random Mixed IO Speed 9.71MB/s

Average Bench

(Based on 14,099 samples)
Min Avg Max
383 Read 460 484
168 Write 234 261
126 Mixed 216 264
66.6% 303 MB/s
Min Avg Max
16.4 4K Read 25 32.8
19.4 4K Write 37.7 56.1
5.87 4K Mixed 9.71 13.1
70.3% 24.1 MB/s
Min Avg Max
20.9 DQ Read 156 302
27.6 DQ Write 97.5 155
5.44 DQ Mixed 19.2 31.5
43.2% 90.9 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
101GB free
Firmware: 0C3FD6SD Max speed: SATA 3.0 600 MB/s
Read 472
Write 265
Mixed 266
74% 334 MB/s
4K Read 31.4
4K Write 54.4
4K Mixed 12.2
92% 32.7 MB/s
DQ Read 32.1
DQ Write 57.6
DQ Mixed 10.6
18% 33.4 MB/s
125GB free
Firmware: 0C3J96R9 Max speed: SATA 3.0 600 MB/s
Read 486
Write 258
Mixed 265
74% 336 MB/s
4K Read 31.6
4K Write 56.4
4K Mixed 10.6
91% 32.9 MB/s
DQ Read 31.2
DQ Write 60.8
DQ Mixed 23.4
24% 38.5 MB/s
119GB free
Firmware: 0C3G37R5 Max speed: SATA 3.0 600 MB/s
Read 358
Write 199
Mixed 201
56% 253 MB/s
4K Read 29.3
4K Write 34.6
4K Mixed 9.59
75% 24.5 MB/s
DQ Read 30.4
DQ Write 53.4
DQ Mixed 11.5
17% 31.8 MB/s
145GB free
Firmware: 0C3J96R9 Max speed: SATA 3.0 600 MB/s
Read 457
Write 220
Mixed 253
68% 310 MB/s
4K Read 14.3
4K Write 17.4
4K Mixed 3.74
36% 11.8 MB/s
DQ Read 26.9
DQ Write 48.2
DQ Mixed 21.7
21% 32.2 MB/s
14,099 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 4,120,634 SSDs tested.


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Typical SSDNow UV400 240GB Builds (Compare 13,148 builds) See popular component choices, score breakdowns and rankings.
Gaming 93%
Nuclear submarine
Desktop 78%
Workstation 62%

Motherboard: Asus Z170 PRO GAMING - $157

EDIT WITH CUSTOM PC BUILDER Value: 81% - Excellent Total price: $1,119

Popular SSDNow UV400 240GB 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.

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How it works

  • - Download and run UserBenchMark (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - 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 highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) October 2017 SSD Rankings.

Welcome to our consumer SSD comparison. We calculate effective speed based on real world performance then adjust by cost per GB to yield a value for money rating. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top SSDs. Share your opinion by voting. [SSDrivePro]


860 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.
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Intel Core i5-7600K $230Nvidia GTX 1060-6GB $260Samsung 850 Evo 500GB $150
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Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $842SanDisk Extreme 32GB $22
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $180SanDisk Ultra Fit 32GB $13
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