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WDWDS100T2X0E
Samsung
▲ 751,649 ▼

Release date: Q3 2022.

VS
▲ 500 ▼
  

Release date ≈ Q2 2023.

Effective Speed 
+61%
Real World Speed
Performance profile from 38,153 user samples
Benchmark your SSD here
37,972 User Benchmarks
Great bench: 615% 733GB free (System drive)
Poor bench: 256% 183GB free
Poor: 256% Great: 615%
SPEED RANK: 12th / 1080
181 User Benchmarks
Great bench: 438% 853GB free (System drive)
Poor bench: 128% 875GB free (System drive)
Poor: 128% Great: 438%
SPEED RANK: 50th / 1080
Effective Speed
Effective SSD Speed 		443 % Much faster effective speed.
+61% 		274 %
Average Score 
+62%
Read
Avg. Sequential Read Speed 		3,711 MB/s Hugely faster read speed.
+82% 		2,038 MB/s
Write
Avg. Sequential Write Speed 		3,769 MB/s Hugely faster write speed.
+108% 		1,808 MB/s
4K Read
Avg. 4K Random Read Speed 		68.6 MB/s Much faster random read.
+32% 		51.9 MB/s
4K Write
Avg. 4K Random Write Speed 		184 MB/s Hugely faster random write.
+86% 		99 MB/s
Mixed
Avg. Sequential Mixed IO Speed 		2,835 MB/s Much faster mixed IO speed.
+69% 		1,678 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed 		82.8 MB/s Faster random mixed IO.
+25% 		66.2 MB/s
SusWrite
Avg. Sustained Write Speed 		2,152 MB/s Much faster sustained write speed.
+34% 		1,603 MB/s
Peak Score 
+40%
Read
Peak Sequential Read Speed 		4,629 MB/s Much faster peak read speed.
+67% 		2,774 MB/s
Write
Peak Sequential Write Speed 		4,976 MB/s Much faster peak write speed.
+55% 		3,208 MB/s
4K Read
Peak 4K Random Read Speed 		85.4 MB/s Faster peak random read.
+14% 		75.1 MB/s
4K Write
Peak 4K Random Write Speed 		314 MB/s Much faster peak random write.
+56% 		201 MB/s
Mixed
Peak Sequential Mixed IO Speed 		3,409 MB/s Faster peak mixed IO speed.
+25% 		2,727 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed 		113 MB/s +3% 110 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average 		4,096 MB/s Much faster peak sustained write speed.
+61% 		2,546 MB/s
Value & Sentiment 
+2,675%
Market Share
Based on 77,606,327 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.54 % Insanely higher market share.
+5,300% 		0.01 %
User Rating
UBM User Rating 		75 % Much more popular.
+50% 		50 %
Nice To Haves 
+72%
Age
Newest 		27 Months 17+ Months Much more recent.
+37%
DQ Read
Peak 4K-64Thread Read Speed 		2,433 MB/s Much faster peak deep queue read.
+39% 		1,746 MB/s
DQ Write
Peak 4K-64Thread Write Speed 		2,047 MB/s Much faster peak deep queue write.
+42% 		1,443 MB/s
AS-SSD Total
AS-SSD Total Score 		7,391 Pts Much stronger server IO.
+43% 		5,172 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		2,253 MB/s Much faster peak deep queue mixed IO.
+48% 		1,527 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed 		1,741 MB/s Hugely faster deep queue read.
+125% 		774 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed 		1,362 MB/s Hugely faster deep queue write.
+184% 		480 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		1,519 MB/s Hugely faster deep queue mixed IO.
+135% 		647 MB/s
Specifications 
Capacity
Capacity 		1TB 1TB
Conclusion 
Average Bench 443%
Average Bench 274%

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) November 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.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
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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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 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?
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ALL FAQs »

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Brands make boatloads on flagships like the 4090 and 14900KS. We help users get similar real-world performance for less money.
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The Best
CPUGPUSSD
Intel Core i5-13600K $210Nvidia RTX 4060 $285WD Black SN850X M.2 2TB $125
Intel Core i5-12600K $160Nvidia RTX 4060-Ti $389WD Black SN850X M.2 1TB $80
Intel Core i5-12400F $111Nvidia RTX 4070 $500Crucial T700 M.2 4TB $330
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