Average Bench: 66.9% (717th of 1071)

Based on 80,916 user benchmarks.  Model: KINGSTON SUV400S37120G

Above average average bench

The Kingston SSDNow UV400 120GB averaged 33.1% 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 118MB/s
Avg. 4K Random Read Speed 26.8MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Kingston SSDNow UV400 120GB is 37.5%. 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 80.3MB/s
Avg. Sequential Mixed IO Speed 198MB/s

Average Bench

(Based on 80,916 samples)
Min Avg Max
353 Read 450 499
301 Write 342 372
88.8 Mixed 198 344
67.6 SusWrite 80.3 87.8
59.2% 268 MB/s
Min Avg Max
16 4K Read 26.8 32.5
30.8 4K Write 66.4 96.5
8.25 4K Mixed 29.4 40.3
113% 40.9 MB/s
Min Avg Max
129 DQ Read 268 310
74.2 DQ Write 152 269
50.5 DQ Mixed 118 177
113% 179 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
42GB free
Firmware: 0C3K87RA
SusWrite @10s intervals: 234 64 59 59 56 59 MB/s
Read 489
Write 369
Mixed 160
SusWrite 88.4
61% 276 MB/s
4K Read 28.1
4K Write 74.2
4K Mixed 38.8
132% 47 MB/s
DQ Read 312
DQ Write 98.5
DQ Mixed 112
107% 174 MB/s
46GB free
Firmware: 0C3J96R9
SusWrite @10s intervals: 227 64 56 56 57 55 MB/s
Read 484
Write 364
Mixed 127
SusWrite 85.9
58% 265 MB/s
4K Read 30.3
4K Write 65.9
4K Mixed 33.6
124% 43.3 MB/s
DQ Read 301
DQ Write 92.9
DQ Mixed 174
134% 189 MB/s
48GB free (System drive)
Firmware: 0C3J96R9
SusWrite @10s intervals: 196 72 62 56 57 54 MB/s
Read 422
Write 345
Mixed 159
SusWrite 82.7
56% 252 MB/s
4K Read 14.9
4K Write 19.8
4K Mixed 16.2
54% 17 MB/s
DQ Read 166
DQ Write 113
DQ Mixed 164
116% 148 MB/s
80,916 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,509,360 SSDs tested.


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Typical SSDNow UV400 120GB Builds (Compare 19,548 builds) See popular component choices, score breakdowns and rankings.
Gaming 2%
Tree trunk
Desktop 61%
Workstation 2%
Tree trunk

Disqualified System: bin bin

EDIT WITH CUSTOM PC BUILDER Value: 62% - Good Total price: $332

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.
  • - SkillBench (space shooter) tests user input accuracy.
  • - 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.
Solid State Drive Rankings (Price vs Performance) June 2023 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.


4 years ago.

Great drive for the price still a SSD over a HDD


3 years ago.



23 months ago.

Great SSD.

1071 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 i5-13600K $315Nvidia RTX 3060 $290Crucial MX500 250GB $30
Intel Core i5-12600K $225Nvidia RTX 3060-Ti $300Samsung 850 Evo 120GB $86
Intel Core i5-12400F $150Nvidia RTX 4070-Ti $800Samsung 860 Evo 250GB $50
Seagate Barracuda 1TB (2016) $35Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $67G.SKILL Trident Z DDR4 3200 C14 4x16GB $381SanDisk Ultra Fit 32GB $16
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