UserBenchmark: Kingston A400 vs Sandisk PLUS

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KingstonSA400S37/240G

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Sandisk

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Real World Speed

Performance profile from 510,604 user samples

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424,288 User Benchmarks

Best Bench: 100% 181GB free (System drive)
Worst Bench: 33% 119GB free (System drive)

Poor: 33% Great: 100%

SPEED RANK: 734^th / 1072

86,316 User Benchmarks

Best Bench: 56% 222GB free
Worst Bench: 33% 102GB free (System drive)

Poor: 33% Great: 56%

SPEED RANK: 917^th / 1072


Effective Speed Effective SSD Speed		65.8 %	Much faster effective speed. +46%		45.1 %


Read Avg. Sequential Read Speed	414 MB/s		420 MB/s	+1%
Write Avg. Sequential Write Speed	318 MB/s		322 MB/s	+1%
4K Read Avg. 4K Random Read Speed	26.7 MB/s	Much faster random read. +48%	18.1 MB/s
4K Write Avg. 4K Random Write Speed	56.9 MB/s	Hugely faster random write. +86%	30.6 MB/s
Mixed Avg. Sequential Mixed IO Speed	260 MB/s	Slightly faster mixed IO speed. +9%	238 MB/s
4K Mixed Avg. 4K Random Mixed IO Speed	22.4 MB/s	Much faster random mixed IO. +71%	13.1 MB/s
SusWrite Avg. Sustained Write Speed	179 MB/s	Much faster sustained write speed. +70%	105 MB/s


Read Peak Sequential Read Speed	504 MB/s	Slightly faster peak read speed. +9%	461 MB/s
Write Peak Sequential Write Speed	446 MB/s	Faster peak write speed. +16%	384 MB/s
4K Read Peak 4K Random Read Speed	36.1 MB/s	Much faster peak random read. +56%	23.2 MB/s
4K Write Peak 4K Random Write Speed	106 MB/s	Hugely faster peak random write. +138%	44.6 MB/s
Mixed Peak Sequential Mixed IO Speed	420 MB/s	Much faster peak mixed IO speed. +31%	320 MB/s
4K Mixed Peak 4K Random Mixed IO Speed	42 MB/s	Hugely faster peak random mixed IO. +115%	19.5 MB/s
SusWrite Peak Sequential Sustained Write 60s Average	432 MB/s	Hugely faster peak sustained write speed. +156%	169 MB/s

Market Share

Based on 75,767,496 SSDs tested

See market share leaders


Market Share Market Share (trailing 30 days)		1.17 %	Hugely higher market share. +736%		0.14 %
User Rating UBM User Rating		53 %	Slightly more popular. +6%		50 %


Age Newest	88 Months		70+ Months	More recent. +20%
DQ Read Peak 4K-64Thread Read Speed	288 MB/s	Hugely faster peak deep queue read. +140%	120 MB/s
DQ Write Peak 4K-64Thread Write Speed	349 MB/s	Hugely faster peak deep queue write. +236%	104 MB/s
AS-SSD Total AS-SSD Total Score	1,076 Pts	Hugely stronger server IO. +125%	479 Pts
DQ Mixed Peak 4K-64Thread Mixed IO Speed	204 MB/s	Hugely faster peak deep queue mixed IO. +362%	44.2 MB/s
ADQ Read Avg. 4K-64Thread Read Speed	191 MB/s	Hugely faster deep queue read. +87%	102 MB/s
ADQ Write Avg. 4K-64Thread Write Speed	214 MB/s	Hugely faster deep queue write. +182%	75.8 MB/s
ADQ Mixed Avg. 4K-64Thread Mixed IO Speed	92.7 MB/s	Hugely faster deep queue mixed IO. +195%	31.4 MB/s


Capacity Capacity			240GB			240GB

could have used some DRAM, stutters when booting. ^{[Dec '19 ExecutableFiles]}

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Solid State Drive Rankings (Price vs Performance) May 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.

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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- CPU tests include: integer, floating and string
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- Reports are generated and presented on userbenchmark.com
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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?

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Solid State Drives

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What is 4K 64 thread write speed?

Can CPU power saving states (C1,C2,C3) impact SSD speed?

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CPU	GPU	SSD
Intel Core i5-13600K $254	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 $40	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $48	SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51	G.SKILL Trident Z DDR4 3200 C14 4x16GB $351	SanDisk Ultra Fit 32GB $16