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Kingston SKC400S37/1T

SSDNow KC400 1TB

▲ 503 ▼

Release date ≈ Q2 2016.

Average Bench: 88.6% (351st of 1072)

Based on 709 user benchmarks.  Models: KINGSTON SKC400S371T, KINGSTON KINGSTON SKC400S, KINGSTON SKC400S371T, KINGSTON SKC400S
Poor: 60%Average: 88.6% Great: 110%

Popular builds with this SSD

Very good average bench

The Kingston SSDNow KC400 1TB averaged just 11.3% 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-64Thread Write Speed 287MB/s
Avg. 4K Random Mixed IO Speed 32.6MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Kingston SSDNow KC400 1TB is 50.7%. This is a relatively wide range which indicates that the Kingston SSDNow KC400 1TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 294MB/s
Avg. Sustained Write Speed 346MB/s
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Average Bench

(Based on 709 samples)
Rank 35188.6%
Min Avg Max
313 Read 445 511
90.9 Write 401 488
181 Mixed 294 327
149 SusWrite 346 478
83.4% 371 MB/s
Min Avg Max
14.9 4K Read 25.2 30.8
33.8 4K Write 75.7 111
18.4 4K Mixed 32.6 40.9
120% 44.5 MB/s
Min Avg Max
183 DQ Read 299 345
72.9 DQ Write 287 367
37.8 DQ Mixed 63.3 67.9
111% 217 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
375GB free
Firmware: SAFM001B
SusWrite @10s intervals: 466 456 152 427 239 341 MB/s
102% Outstanding
Read 473
Write 433
Mixed 307
SusWrite 347
88% 390 MB/s
4K Read 30.1
4K Write 107
4K Mixed 41
155% 59.3 MB/s
DQ Read 286
DQ Write 347
DQ Mixed 67.7
120% 234 MB/s
954GB free
Firmware: SAFM001B
SusWrite @10s intervals: 453 448 453 443 467 421 MB/s
101% Outstanding
Read 467
Write 479
Mixed 320
SusWrite 448
96% 428 MB/s
4K Read 27.4
4K Write 81
4K Mixed 37.1
132% 48.5 MB/s
DQ Read 288
DQ Write 350
DQ Mixed 66.1
120% 235 MB/s
142GB free
Firmware: SAFM00.W
SusWrite @10s intervals: 448 455 454 452 466 455 MB/s
94.3% Outstanding
Read 505
Write 470
Mixed 320
SusWrite 455
98% 437 MB/s
4K Read 28.7
4K Write 53.9
4K Mixed 33.2
115% 38.6 MB/s
DQ Read 340
DQ Write 147
DQ Mixed 65.4
96% 184 MB/s
101GB free
Firmware: SAFM
SusWrite @10s intervals: 465 473 449 472 1.6 383 MB/s
93.9% Outstanding
Read 385
Write 446
Mixed 337
SusWrite 374
87% 386 MB/s
4K Read 28.4
4K Write 78.5
4K Mixed 36.4
131% 47.8 MB/s
DQ Read 314
DQ Write 369
DQ Mixed 67.3
127% 250 MB/s
830GB free
Firmware: SAFM001B
SusWrite @10s intervals: 357 428 429 378 374 344 MB/s
88.2% Excellent
Read 456
Write 433
Mixed 308
SusWrite 385
89% 395 MB/s
4K Read 22.1
4K Write 64.7
4K Mixed 28.2
104% 38.3 MB/s
DQ Read 320
DQ Write 334
DQ Mixed 67.3
122% 240 MB/s
374GB free
Firmware: SAFM001A
SusWrite @10s intervals: 205 216 228 240 242 246 MB/s
81.4% Excellent
Read 476
Write 465
Mixed 314
SusWrite 230
83% 371 MB/s
4K Read 23.9
4K Write 60.2
4K Mixed 29.2
106% 37.8 MB/s
DQ Read 343
DQ Write 372
DQ Mixed 67.9
131% 261 MB/s
37GB free (System drive)
Firmware: SAFM001B
SusWrite @10s intervals: 189 96 113 80 95 95 MB/s
46.2% Average
Read 74.2
Write 429
Mixed 314
SusWrite 111
53% 232 MB/s
4K Read 23.4
4K Write 57.1
4K Mixed 29.6
104% 36.7 MB/s
DQ Read 74.1
DQ Write 116
DQ Mixed 53
52% 81.1 MB/s
709 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,702,653 SSDs tested

 Prices

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AmazonUS $3805 years
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Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical SSDNow KC400 1TB Builds (Compare 403 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 60%
Gunboat
Desktop
Desktop 75%
Battleship
Workstation
Workstation 58%
Gunboat

Motherboard: Asrock X370 Killer SLI

CPU
Ryzen 7 1700AMD  $195Bench 69%, 144,475 samples63x
Ryzen 7 1800XAMD  $60Bench 72%, 30,050 samples55x
Ryzen 5 1600XAMD  $125Bench 74%, 140,440 samples38x
GPU
GTX 1070Nvidia  $132Bench 80%, 1,459,281 samples36x
GTX 1080Nvidia  $400Bench 102%, 1,082,454 samples35x
GTX 1080-TiNvidia  $485Bench 124%, 840,268 samples34x
SSD
SSDNow KC400 1TBKingston  $380Bench 89%, 709 samples1x
RAM
Vengeance LPX DDR4 3000 C15 2x8GBCorsair  $43Bench 82%, 606,405 samples11x
HyperX DDR4 3200 C16 2x8GBKingstonBench 86%, 239,203 samples9x
PSD416G24002 2x16GBPatriotBench 79%, 353 samples9x
EDIT WITH CUSTOM PC BUILDER Value: 60% - Good Total price: $750

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 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

Gaming Desktop ProGaming

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]

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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.

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Speed Comparisons

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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

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
What is queue depth?
Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
What is the effective SSD speed index?
How is the AS SSD write score calculated?
How is the AS SSD read score calculated?
How is the AS SSD total score calculated?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
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 $178Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk 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
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