Average Bench: 67.3% (674th of 1040)

Based on 59,163 user benchmarks.  Model: KINGSTON SUV400S37120G

Above average average bench

The Kingston SSDNow UV400 120GB averaged 32.6% 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 113MB/s
Avg. 4K Random Read Speed 27.1MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Kingston SSDNow UV400 120GB is 37.1%. This is a relatively wide range which indicates that the Kingston SSDNow UV400 120GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 82.2MB/s
Avg. Sequential Mixed IO Speed 196MB/s

Average Bench

(Based on 59,163 samples)
Min Avg Max
327 Read 448 499
281 Write 340 369
91.3 Mixed 196 339
68.5 SusWrite 82.2 88.1
59% 266 MB/s
Min Avg Max
17.3 4K Read 27.1 32.7
39.2 4K Write 66.8 100
9.1 4K Mixed 30.1 40.8
115% 41.3 MB/s
Min Avg Max
133 DQ Read 263 309
76.5 DQ Write 152 267
51.1 DQ Mixed 113 174
109% 176 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
73GB free (System drive)
Firmware: 0C3J96R9
SusWrite @10s intervals: 176 89 62 59 56 53 MB/s
Read 502
Write 377
Mixed 328
SusWrite 82.4
72% 322 MB/s
4K Read 30.4
4K Write 65.8
4K Mixed 30.2
120% 42.1 MB/s
DQ Read 304
DQ Write 266
DQ Mixed 99.1
125% 223 MB/s
90GB free (System drive)
Firmware: 0C3K87RA
SusWrite @10s intervals: 218 66 59 59 56 57 MB/s
Read 436
Write 367
Mixed 113
SusWrite 85.8
55% 250 MB/s
4K Read 28.8
4K Write 72.4
4K Mixed 32
123% 44.4 MB/s
DQ Read 254
DQ Write 76.8
DQ Mixed 170
124% 167 MB/s
59,163 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 37,921,399 SSDs tested.


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AmazonUS $891 month
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Typical SSDNow UV400 120GB Builds (Compare 27,758 builds) See popular component choices, score breakdowns and rankings.
Gaming 2%
Tree trunk
Desktop 65%
Workstation 2%
Tree trunk

Disqualified System: bin bin

EDIT WITH CUSTOM PC BUILDER Value: 62% - Good Total price: $356

Popular SSDNow UV400 120GB 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) January 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.


22 months ago.

Great drive for the price still a SSD over a HDD


16 months ago.


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 i5-10600K $260Nvidia RTX 3060-Ti $400Crucial MX500 250GB $47
Intel Core i5-9600K $219Nvidia RTX 3070 $500Samsung 850 Evo 120GB $78
Intel Core i5-10400F $161Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $40
Seagate Barracuda 1TB (2016) $35Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $29Corsair Vengeance LPX DDR4 3000 C15 2x8GB $71SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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