Average Bench: 66.9% (719th of 1072)

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 BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
78GB free
Firmware: 0C3J96R9
SusWrite @10s intervals: 134 107 59 53 60 63 MB/s
Read 490
Write 363
Mixed 114
SusWrite 79.2
58% 262 MB/s
4K Read 30.7
4K Write 70.7
4K Mixed 35.7
130% 45.7 MB/s
DQ Read 313
DQ Write 95.9
DQ Mixed 110
106% 173 MB/s
52GB free (System drive)
Firmware: 0C3J96R9
SusWrite @10s intervals: 219 39 71 56 63 56 MB/s
Read 484
Write 360
Mixed 106
SusWrite 83.8
57% 258 MB/s
4K Read 29.4
4K Write 59.8
4K Mixed 20.7
103% 36.6 MB/s
DQ Read 293
DQ Write 225
DQ Mixed 113
124% 210 MB/s
66GB free
Firmware: 0C3J96R9
SusWrite @10s intervals: 222 62 57 55 53 57 MB/s
Read 449
Write 348
Mixed 109
SusWrite 84.2
55% 247 MB/s
4K Read 26.3
4K Write 63
4K Mixed 29.4
111% 39.6 MB/s
DQ Read 309
DQ Write 92.5
DQ Mixed 175
136% 192 MB/s
80,916 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,696,646 SSDs tested


If you buy via one of these links, our site may earn a commission

AmazonUS $351 month
EbayUS $647 mins
Send price feedback
Typical SSDNow UV400 120GB Builds (Compare 24,240 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 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 value for money 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) April 2024 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.


5 years ago.

Great drive for the price still a SSD over a HDD


4 years ago.



2 years ago.

Great SSD.

1072 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 $273Nvidia RTX 4060 $295Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $15Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
If you make a purchase via one of these links, our site may earn a commission
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback