Kingston SKC400S37/128G

SSDNow KC400 128GB

SSDNow KC400 128GB
BENCHMARKS (747)
MKT (0%)
BUILDS
(0)
BUY • $75

Effective Speed -21%Effective Speed -21%Average Score -26%Read -6%, Write -27%, 4K Read -38%, 4K Write -25%, Mixed -32%, 4K Mixed -42%, SusWrite -12%Peak Score -19%Read 1%, Write -15%, 4K Read -36%, 4K Write -11%, Mixed -37%, 4K Mixed -44%, SusWrite 5%Value & Sentiment User Rating -14%, Market Share -∞%, Price 28%, Value -135%Nice To Haves -92%DQ Read -3%, DQ Write 3%, DQ Mixed -394%, ADQ Read -5%, ADQ Write -9%, ADQ Mixed -323%, Age -3%, AS-SSD Total -4%

Average Bench: 81.7% (462^nd of 1072)

Based on 747 user benchmarks. Models: KINGSTON SKC400S37128G, KINGSTON KINGSTON SKC400S, KINGSTON SKC400S3712, KINGSTON SKC400S, KINGSTON SKC400S37128G

Poor: 56%Average: 81.7% Great: 106%

Popular builds with this SSD

Very good average bench

The Kingston SSDNow KC400 128GB averaged just 18.3% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Kingston SSDNow KC400 128GB near the top of the comparison list.

Strengths

Avg. 4K Random Mixed IO Speed 31.6MB/s

Avg. 4K-64Thread Write Speed 266MB/s

See where your SSD ranks →

Below average consistency

The range of scores (95th - 5th percentile) for the Kingston SSDNow KC400 128GB is 50.6%. This is a relatively wide range which indicates that the Kingston SSDNow KC400 128GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 264MB/s

Avg. Sequential Mixed IO Speed 271MB/s

Average Bench

(Based on 747 samples)

Rank 46281.7%

Min	Avg	Max
205	Read 432	513
86.1	Write 319	423
135	Mixed 271	310
113	SusWrite 264	405
71.9% 322 MB/s

Min	Avg	Max
14.8	4K Read 24.9	31.5
34.3	4K Write 69.9	110
18.9	4K Mixed 31.6	40.6
115% 42.1 MB/s

Min	Avg	Max
36.8	DQ Read 311	358
74.7	DQ Write 266	370
33.8	DQ Mixed 61.5	67.1
108% 213 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

The fastest SSD (mainstream) averages a speed of 100%

NOR-User, 7 days ago.

85GB free (System drive)

Firmware: SAFM001A

SusWrite @10s intervals: 387 358 392 367 402 402 MB/s

89.4% Excellent

Write 410

Mixed 292

SusWrite 385

88% 394 MB/s

4K Read 25.9

4K Write 62.3

4K Mixed 31.5

113% 39.9 MB/s

DQ Read 274

DQ Write 245

DQ Mixed 66.2

103% 195 MB/s

NOR-User, 7 days ago.

89GB free (System drive)

Firmware: SAFM001A

SusWrite @10s intervals: 385 337 313 336 400 403 MB/s

87.9% Excellent

Write 404

Mixed 300

SusWrite 362

87% 389 MB/s

4K Read 26

4K Write 61.8

4K Mixed 31.5

112% 39.8 MB/s

DQ Read 270

DQ Write 245

DQ Mixed 66

102% 194 MB/s

NOR-User, 7 days ago.

91GB free (System drive)

Firmware: SAFM001A

SusWrite @10s intervals: 278 273 294 364 381 334 MB/s

85.2% Excellent

Write 399

Mixed 300

SusWrite 320

84% 375 MB/s

4K Read 25.9

4K Write 59.4

4K Mixed 32.3

112% 39.2 MB/s

DQ Read 281

DQ Write 246

DQ Mixed 65.8

104% 198 MB/s

NOR-User, 6 days ago.

39GB free (System drive)

Firmware: SAFM001A

SusWrite @10s intervals: 370 387 361 391 226 MB/s

81.6% Excellent

Write 382

Mixed 295

SusWrite 333

83% 372 MB/s

4K Read 22.2

4K Write 47.8

4K Mixed 30.6

98% 33.5 MB/s

DQ Read 274

DQ Write 240

DQ Mixed 66.1

102% 194 MB/s

NOR-User, 3 days ago.

37GB free (System drive)

Firmware: SAFM001A

SusWrite @10s intervals: 182 212 254 288 272 216 MB/s

80.1% Excellent

Write 408

Mixed 298

SusWrite 237

80% 356 MB/s

4K Read 26.4

4K Write 63.1

4K Mixed 31.1

113% 40.2 MB/s

DQ Read 275

DQ Write 243

DQ Mixed 66.2

102% 195 MB/s

747 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,709,929 SSDs tested

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 128GB Builds (Compare 8,839 builds) See popular component choices, score breakdowns and rankings

Gaming 78%

Battleship

Desktop 87%

Aircraft carrier

Workstation 73%

Battleship

Motherboard: MSI B450 GAMING PLUS MAX (MS-7B86)

CPU
Ryzen 5 3600AMD $83Bench 83%, 1,072,639 samples	2,997x
Ryzen 7 3700XAMD $205Bench 86%, 635,419 samples	803x
Ryzen 5 3600XAMD $210Bench 84%, 294,959 samples	719x

GPU
RTX 2060Nvidia $324Bench 90%, 645,160 samples	571x
GTX 1660S (Super)Nvidia $233Bench 71%, 428,800 samples	532x
RX 580AMD $130Bench 52%, 360,351 samples	424x

SSD
SSDNow KC400 128GBKingston $75Bench 82%, 747 samples	1x

RAM
Vengeance LPX DDR4 3200 C16 2x8GBCorsair $45Bench 85%, 653,654 samples	843x
Ripjaws V DDR4 3200 C16 2x8GBG.SKILL $36Bench 84%, 287,720 samples	380x
HyperX DDR4 3200 C16 2x8GBKingstonBench 86%, 239,203 samples	287x

EDIT WITH CUSTOM PC BUILDER

Value: 73% - Very good

Total price: $527

Popular SSDNow KC400 128GB 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.

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Gaming

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USB

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.

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 »

CPU	GPU	SSD
Intel Core i5-13600K $273	Nvidia RTX 4060 $300	Crucial MX500 250GB $40
Intel Core i5-12400F $133	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177	Nvidia RTX 4070 $539	Samsung 860 Evo 250GB $52

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43	SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51	G.SKILL Trident Z DDR4 3200 C14 4x16GB $351	SanDisk Ultra Fit 32GB $16

Kingston SKC400S37/128G

SSDNow KC400 128GB

Average Bench: 81.7% (462^nd of 1072)

Popular builds with this SSD

Very good average bench

Strengths

Below average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

Prices

CHOOSE A COMPONENT:

Motherboard: MSI B450 GAMING PLUS MAX (MS-7B86)

Popular SSDNow KC400 128GB compatible motherboards:

UserBenchmark of the month

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Group Test Results

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Speed Comparisons

Frequently Asked Questions

Best User Rated

Kingston SKC400S37/128G

SSDNow KC400 128GB

Average Bench: 81.7% (462nd of 1072)

Popular builds with this SSD

Very good average bench

Strengths

Below average consistency

Weaknesses

Average Bench

Market Share (See Leaders)

Prices

CHOOSE A COMPONENT:

Motherboard: MSI B450 GAMING PLUS MAX (MS-7B86)

Popular SSDNow KC400 128GB compatible motherboards:

UserBenchmark of the month

How it works

Group Test Results

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Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

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Average Bench: 81.7% (462^nd of 1072)