Average Bench: 75.1% (392nd of 956)

Based on 191 user benchmarks.  Models: KINGSTON SKC400S371T, KINGSTON KINGSTON SKC400S, KINGSTON SKC400S371T, KINGSTON SKC400S

Good average bench

The Kingston SSDNow KC400 1TB averaged 24.9% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Kingston SSDNow KC400 1TB near the top of the comparison list.

Strengths

Avg. 4K Random Read Speed 23.5MB/s
Avg. Sequential Read Speed 495MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Kingston SSDNow KC400 1TB is 31.5%. This is a relatively narrow range which indicates that the Kingston SSDNow KC400 1TB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Mixed IO Speed 13.8MB/s
Avg. 4K Random Mixed IO Speed 11.5MB/s
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Average Bench

(Based on 191 samples)
Min Avg Max
381 Read 495 524
297 Write 388 418
273 Mixed 388 424
279 SusWrite 373 458
92.2% 411 MB/s
Min Avg Max
15.6 4K Read 23.5 30.3
22.8 4K Write 59.2 96.3
7.63 4K Mixed 11.5 26.6
81.6% 31.4 MB/s
Min Avg Max
17.8 DQ Read 184 332
42.1 DQ Write 189 289
7.55 DQ Mixed 13.8 64.1
58% 129 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
780GB free (System drive)
Firmware: SAFM00.W
SusWrite @10s intervals: 299 354 251 440 214 453 MB/s
Read 487
Write 467
Mixed 319
SusWrite 335
90% 402 MB/s
4K Read 26.8
4K Write 79.5
4K Mixed 34.5
127% 46.9 MB/s
DQ Read 327
DQ Write 343
DQ Mixed 67.4
124% 246 MB/s
662GB free
Firmware: 00.Y
SusWrite @10s intervals: 414 433 424 419 426 424 MB/s
Read 355
Write 415
Mixed 311
SusWrite 423
85% 376 MB/s
4K Read 24.6
4K Write 77.2
4K Mixed 32.1
119% 44.6 MB/s
DQ Read 339
DQ Write 335
DQ Mixed 67.6
125% 247 MB/s
829GB free (System drive)
Firmware: SAFM00.Y
SusWrite @10s intervals: 375 377 385 380 401 391 MB/s
Read 438
Write 392
Mixed 276
SusWrite 385
84% 373 MB/s
4K Read 25
4K Write 69.5
4K Mixed 31.9
116% 42.1 MB/s
DQ Read 290
DQ Write 291
DQ Mixed 64.1
111% 215 MB/s
493GB free (System drive)
Firmware: SAFM00.W
SusWrite @10s intervals: 413 186 433 171 410 368 MB/s
Read 466
Write 143
Mixed 309
SusWrite 330
70% 312 MB/s
4K Read 23.7
4K Write 56.7
4K Mixed 28
102% 36.1 MB/s
DQ Read 298
DQ Write 268
DQ Mixed 67.5
110% 211 MB/s
779GB free (System drive)
Firmware: SAFM001A
SusWrite @10s intervals: 336 342 332 95 283 296 MB/s
Read 384
Write 420
Mixed 276
SusWrite 281
76% 340 MB/s
4K Read 16.9
4K Write 51.4
4K Mixed 26.4
87% 31.6 MB/s
DQ Read 254
DQ Write 337
DQ Mixed 66.3
114% 219 MB/s
191 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 7,956,775 SSDs tested.

 Prices

AmazonUS $4985 days
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Typical SSDNow KC400 1TB Builds (Compare 290 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 15%
Surfboard
Desktop
Desktop 64%
Destroyer
Workstation
Workstation 46%
Yacht

Motherboard: Asus Q87M-E

EDIT WITH CUSTOM PC BUILDER Value: 66% - Good Total price: $821

Popular SSDNow KC400 1TB 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) August 2018 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]

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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.

 Comments

956 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.
CPUGPUSSD
Intel Core i7-8700K $330Nvidia GTX 1070 $380Samsung 850 Evo 250GB $95
AMD Ryzen 5 1600 $150Nvidia GTX 1060-6GB $240Samsung 850 Evo 500GB $120
Intel Core i5-8600K $240AMD RX 480 $280Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $155SanDisk Extreme 64GB $80
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $901SanDisk Extreme 32GB $30
WD Blue 1TB (2012) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $175SanDisk Ultra Fit 32GB $12
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