Average Bench: 66.1% (654th of 1011)

Based on 42,725 user benchmarks.  Model: KINGSTON SUV400S37120G

Above average average bench

The Kingston SSDNow UV400 120GB averaged 33.8% 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 111MB/s
Avg. 4K Random Read Speed 26.6MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Kingston SSDNow UV400 120GB is 35.9%. 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 80.8MB/s
Avg. Sequential Mixed IO Speed 190MB/s

Average Bench

(Based on 42,725 samples)
Min Avg Max
337 Read 443 498
278 Write 339 368
92 Mixed 190 333
68.4 SusWrite 80.8 87
58.3% 263 MB/s
Min Avg Max
16.6 4K Read 26.6 32.7
30.3 4K Write 65.5 103
8.56 4K Mixed 29.2 39.9
112% 40.4 MB/s
Min Avg Max
93.6 DQ Read 258 308
74.4 DQ Write 152 268
43.8 DQ Mixed 111 174
108% 174 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
36GB free (System drive)
Firmware: 0C3J96R9
SusWrite @10s intervals: 129 105 67 55 42 45 MB/s
Read 490
Write 348
Mixed 88.3
SusWrite 73.7
55% 250 MB/s
4K Read 31.6
4K Write 65.3
4K Mixed 32.7
124% 43.2 MB/s
DQ Read 301
DQ Write 94.5
DQ Mixed 109
104% 168 MB/s
45GB free (System drive)
Firmware: 0C3J96R9
SusWrite @10s intervals: 218 67 54 51 41 64 MB/s
Read 461
Write 292
Mixed 146
SusWrite 82.6
54% 245 MB/s
4K Read 25.8
4K Write 60.4
4K Mixed 30.9
111% 39 MB/s
DQ Read 204
DQ Write 185
DQ Mixed 100
101% 163 MB/s
55GB free (System drive)
Firmware: 0C3J96R9
SusWrite @10s intervals: 199 69 57 57 55 56 MB/s
Read 456
Write 344
Mixed 294
SusWrite 82
65% 294 MB/s
4K Read 25.2
4K Write 51.2
4K Mixed 31.5
106% 36 MB/s
DQ Read 282
DQ Write 90
DQ Mixed 107
100% 160 MB/s
42,725 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 18,505,468 SSDs tested.


AmazonUS $3310 mins
EbayUS $5114 mins
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Typical SSDNow UV400 120GB Builds (Compare 9,430 builds) See popular component choices, score breakdowns and rankings.
Gaming 32%
Sail boat
Desktop 55%
Workstation 30%

Motherboard: Asus H110M-K

EDIT WITH CUSTOM PC BUILDER Value: 52% - Above average Total price: $371

Popular SSDNow UV400 120GB 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 2019 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.


7 months ago.

Great drive for the price still a SSD over a HDD


1 month ago.


1011 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 i5-9400F $145Nvidia GTX 1660 $210Samsung 850 Evo 250GB $73
Intel Core i5-9600K $240Nvidia GTX 1660-Ti $270Samsung 850 Evo 500GB $107
Intel Core i7-9700K $350Nvidia RTX 2060 $349Samsung 850 Pro 256GB $200
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 64GB $88
Seagate Barracuda 3TB (2016) $78G.SKILL Trident Z DDR4 3200 C14 4x16GB $612SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $70SanDisk Ultra Fit 32GB $14
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