UserBenchmark: Klevv CRAS C910 Lite M.2 NVMe SSD vs WD Black SN850X

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WDWDS200T2X0E

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Real World Speed

Performance profile from 37,636 user samples

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37,629 User Benchmarks

Great bench: 666% 1.5TB free (System drive)
Poor bench: 293% 1.5TB free (System drive)

Poor: 293% Great: 666%

SPEED RANK: 8^th / 1080

7 User Benchmarks

Great bench: 375% 391GB free (System drive)
Poor bench: 183% 412GB free (System drive)

Poor: 183% Great: 375%

SPEED RANK: 60^th / 1080


Effective Speed Effective SSD Speed		492 %	Hugely faster effective speed. +89%		261 %


Read Avg. Sequential Read Speed	3802 MB/s	Hugely faster read speed. +142%	1568 MB/s
Write Avg. Sequential Write Speed	3872 MB/s	Much faster write speed. +49%	2592 MB/s
4K Read Avg. 4K Random Read Speed	70.9 MB/s	Faster random read. +30%	54.7 MB/s
4K Write Avg. 4K Random Write Speed	184 MB/s	Faster random write. +10%	167 MB/s
Mixed Avg. Sequential Mixed IO Speed	2917 MB/s	Much faster mixed IO speed. +68%	1739 MB/s
4K Mixed Avg. 4K Random Mixed IO Speed	82.8 MB/s	Slightly faster random mixed IO. +9%	76.2 MB/s
SusWrite Avg. Sustained Write Speed	2856 MB/s	Hugely faster sustained write speed. +160%	1097 MB/s


Read Peak Sequential Read Speed	4680 MB/s	Hugely faster peak read speed. +113%	2195 MB/s
Write Peak Sequential Write Speed	4993 MB/s	Faster peak write speed. +11%	4503 MB/s
4K Read Peak 4K Random Read Speed	84.8 MB/s	Faster peak random read. +10%	76.8 MB/s
4K Write Peak 4K Random Write Speed	310 MB/s	+1%	308 MB/s
Mixed Peak Sequential Mixed IO Speed	3538 MB/s	Much faster peak mixed IO speed. +34%	2641 MB/s
4K Mixed Peak 4K Random Mixed IO Speed	113 MB/s		119 MB/s	Slightly faster peak random mixed IO. +5%
SusWrite Peak Sequential Sustained Write 60s Average	4587 MB/s	Hugely faster peak sustained write speed. +164%	1738 MB/s

Market Share

Based on 76,317,413 SSDs tested

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Market Share Market Share (trailing 30 days)		0.63 %	Insanely higher market share. +∞%		0 %
User Rating UBM User Rating		75 %	Much more popular. +50%		50 %


Age Newest	23 Months		6+ Months	Much more recent. +74%
DQ Read Peak 4K-64Thread Read Speed	2409 MB/s	Faster peak deep queue read. +29%	1868 MB/s
DQ Write Peak 4K-64Thread Write Speed	2012 MB/s	Much faster peak deep queue write. +43%	1408 MB/s
AS-SSD Total AS-SSD Total Score	7,322 Pts	Much stronger server IO. +32%	5,567 Pts
DQ Mixed Peak 4K-64Thread Mixed IO Speed	2180 MB/s	Faster peak deep queue mixed IO. +27%	1716 MB/s
ADQ Read Avg. 4K-64Thread Read Speed	1799 MB/s	Much faster deep queue read. +37%	1315 MB/s
ADQ Write Avg. 4K-64Thread Write Speed	1387 MB/s	Much faster deep queue write. +66%	836 MB/s
ADQ Mixed Avg. 4K-64Thread Mixed IO Speed	1570 MB/s	Much faster deep queue mixed IO. +52%	1030 MB/s


Capacity Capacity			2TB			500GB

The WD Black SN850X has a superb consumer performance profile. As well as offering solid burst speeds of 5 GB/s, the SN850X also offers respectable out of cache performance. At current prices (1TB $90 USD, 2TB $145 USD and 4TB $290 USD) the WD Black SN850X is our top value pick at every capacity. ^{[Jun '24 SSDrivePro]}

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Solid State Drive Rankings (Price vs Performance) July 2024 SSD Rankings

Welcome to our 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.
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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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- 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?

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CPU	GPU	SSD
Intel Core i5-12600K $154	Nvidia RTX 4060 $250	WD Black SN850X M.2 2TB $140
Intel Core i5-13600K $260	Nvidia RTX 4060-Ti $388	WD Black SN850X M.2 1TB $90
Intel Core i5-12400F $110	Nvidia RTX 4070 $520	Crucial T700 M.2 4TB $406