Average Bench: 54.2% (603rd of 873)

Based on 12,064 user benchmarks.  Model: KINGSTON SUV400S37120G

Average average bench

The Kingston SSDNow UV400 120GB averaged 45.7% 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 24.1MB/s
Avg. Sequential Read Speed 457MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Kingston SSDNow UV400 120GB is 21.3%. This is a relatively narrow range which indicates that the Kingston SSDNow UV400 120GB performs reasonably consistently under varying real world conditions.


Avg. 4K-64Thread Mixed IO Speed 16.4MB/s
Avg. 4K Random Mixed IO Speed 8.69MB/s

Average Bench

(Based on 12,064 samples)
Min Avg Max
373 Read 457 481
168 Write 185 199
128 Mixed 201 226
61.3% 281 MB/s
Min Avg Max
15.6 4K Read 24.1 30.6
18.8 4K Write 38.9 56.1
4.91 4K Mixed 8.69 11.5
68.2% 23.9 MB/s
Min Avg Max
20.5 DQ Read 146 284
30.5 DQ Write 89.7 148
5.32 DQ Mixed 16.4 27.8
39.5% 84 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
58GB free
Firmware: 0C3FD6SD Max speed: SATA 3.0 600 MB/s
Read 469
Write 194
Mixed 191
62% 285 MB/s
4K Read 26.2
4K Write 39.8
4K Mixed 10.1
74% 25.4 MB/s
DQ Read 224
DQ Write 119
DQ Mixed 20.9
56% 121 MB/s
18GB free
Firmware: 0C3K87RA Max speed: SATA 3.0 600 MB/s
Read 468
Write 190
Mixed 218
64% 292 MB/s
4K Read 30.1
4K Write 54.5
4K Mixed 10.2
88% 31.6 MB/s
DQ Read 31.7
DQ Write 57.7
DQ Mixed 9.78
17% 33.1 MB/s
4GB free
Firmware: 0C3J96R9 Max speed: SATA 3.0 600 MB/s
Read 479
Write 188
Mixed 220
65% 296 MB/s
4K Read 19
4K Write 29.2
4K Mixed 6.35
52% 18.2 MB/s
DQ Read 212
DQ Write 104
DQ Mixed 27.8
55% 115 MB/s
62GB free
Firmware: 0C3J96R9 Max speed: SATA 3.0 600 MB/s
Read 427
Write 172
Mixed 220
60% 273 MB/s
4K Read 20.8
4K Write 20.3
4K Mixed 7.24
52% 16.1 MB/s
DQ Read 68.7
DQ Write 31.9
DQ Mixed 13.9
20% 38.2 MB/s
12,064 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 4,776,024 SSDs tested.


EbayUS $5210 mins
AmazonUS $645 mins
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Typical SSDNow UV400 120GB Builds (Compare 2,970 builds) See popular component choices, score breakdowns and rankings.
Gaming 39%
Jet ski
Desktop 56%
Workstation 31%
Sail boat

Motherboard: Asus H110M-K

EDIT WITH CUSTOM PC BUILDER Value: 73% - Very good Total price: $320

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 (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) December 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]


873 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 i7-7700K $280Nvidia GTX 1070 $410Samsung 850 Evo 250GB $85
AMD Ryzen 7 1700 $245AMD RX 480 $265Samsung 850 Pro 256GB $110
Intel Core i5-7600K $210Nvidia GTX 1060-6GB $260Samsung 850 Evo 500GB $140
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $205SanDisk Extreme 64GB $43
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $1,050SanDisk Extreme 32GB $22
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $215SanDisk Ultra Fit 32GB $10
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