Average Bench: 66.4% (630th of 1003)

Based on 293 user benchmarks.  Models: KINGSTON SKC300S37A180G, KINGSTON KINGSTON SKC300S, KINGSTON SKC300S37A180G, KINGSTON SKC300S

Above average average bench

The Kingston SSDNow KC300 180GB averaged 33.5% 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 Write Speed 71MB/s
Avg. 4K Random Read Speed 24.1MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Kingston SSDNow KC300 180GB is 32%. This is a relatively narrow range which indicates that the Kingston SSDNow KC300 180GB performs reasonably consistently under varying real world conditions.


Avg. Sustained Write Speed 140MB/s
Avg. Sequential Write Speed 210MB/s

Average Bench

(Based on 293 samples)
Min Avg Max
303 Read 441 510
153 Write 210 265
194 Mixed 247 306
82.2 SusWrite 140 173
57.5% 259 MB/s
Min Avg Max
12.7 4K Read 24.1 34.4
34.8 4K Write 71 113
9.38 4K Mixed 20.1 42.3
99.8% 38.4 MB/s
Min Avg Max
21.6 DQ Read 174 290
43.5 DQ Write 162 230
8.96 DQ Mixed 72 220
80.5% 136 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
91GB free (System drive)
Firmware: 507KC4
SusWrite @10s intervals: 177 223 151 128 173 147 MB/s
Read 410
Write 221
Mixed 252
SusWrite 166
58% 262 MB/s
4K Read 32.5
4K Write 76.1
4K Mixed 38.5
139% 49 MB/s
DQ Read 289
DQ Write 189
DQ Mixed 153
138% 210 MB/s
27GB free (System drive)
Firmware: 524ABBF0
SusWrite @10s intervals: 156 155 155 125 112 119 MB/s
Read 317
Write 212
Mixed 227
SusWrite 137
50% 223 MB/s
4K Read 30
4K Write 64.3
4K Mixed 33.4
122% 42.6 MB/s
DQ Read 219
DQ Write 176
DQ Mixed 187
143% 194 MB/s
293 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 15,834,531 SSDs tested.


AmazonUS $1072 years
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Typical SSDNow KC300 180GB Builds (Compare 1,060 builds) See popular component choices, score breakdowns and rankings.
Gaming 13%
Tree trunk
Desktop 52%
Workstation 30%
Sail boat

Motherboard: Asus H81M-R

EDIT WITH CUSTOM PC BUILDER Value: 65% - Good Total price: $297

Popular SSDNow KC300 180GB 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.

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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) July 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.


Controller: SandForce SF2281. Flash Memory: Toshiba 19nm Toggle Mode

Added n/a ago.
1003 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 i7-8700K $350Nvidia GTX 1070 $400Samsung 850 Evo 250GB $104
AMD Ryzen 5 2600 $127Nvidia GTX 1060-6GB $250Samsung 850 Evo 500GB $103
AMD Ryzen 7 2700X $248Nvidia GTX 1080-Ti $709Samsung 850 Pro 256GB $97
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $68SanDisk Extreme 64GB $128
Seagate Barracuda 3TB (2016) $70G.SKILL Trident Z DDR4 3200 C14 4x16GB $606SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78SanDisk Ultra Fit 32GB $12
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