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Nvme
WDWDS100T2X0E
▲ 500 ▼
  

Release date ≈ Q1 2020.

VS
▲ 741,626 ▼

Release date: Q3 2022.

Effective Speed 
+180%
Real World Speed
Performance profile from 37,998 user samples
Benchmark your SSD here
26 User Benchmarks
Best Bench: 200% 16GB free (System drive)
Worst Bench: 80% 62GB free (System drive)
Poor: 80% Great: 200%
SPEED RANK: 154th / 1080
37,972 User Benchmarks
Great bench: 615% 733GB free (System drive)
Poor bench: 256% 183GB free
Poor: 256% Great: 615%
SPEED RANK: 12th / 1080
Effective Speed
Effective SSD Speed 		158 % 443 % Hugely faster effective speed.
+180%
Average Score 
+215%
Read
Avg. Sequential Read Speed 		1173 MB/s 3711 MB/s Hugely faster read speed.
+216%
Write
Avg. Sequential Write Speed 		930 MB/s 3769 MB/s Hugely faster write speed.
+305%
4K Read
Avg. 4K Random Read Speed 		64.1 MB/s 68.6 MB/s Slightly faster random read.
+7%
4K Write
Avg. 4K Random Write Speed 		91.6 MB/s 184 MB/s Hugely faster random write.
+101%
Mixed
Avg. Sequential Mixed IO Speed 		735 MB/s 2835 MB/s Hugely faster mixed IO speed.
+286%
4K Mixed
Avg. 4K Random Mixed IO Speed 		44.1 MB/s 82.8 MB/s Hugely faster random mixed IO.
+88%
SusWrite
Avg. Sustained Write Speed 		358 MB/s 2152 MB/s Hugely faster sustained write speed.
+501%
Peak Score 
+77%
Read
Peak Sequential Read Speed 		4569 MB/s 4629 MB/s +1%
Write
Peak Sequential Write Speed 		1212 MB/s 4976 MB/s Hugely faster peak write speed.
+311%
4K Read
Peak 4K Random Read Speed 		724 MB/s Hugely faster peak random read.
+748% 		85.4 MB/s
4K Write
Peak 4K Random Write Speed 		138 MB/s 314 MB/s Hugely faster peak random write.
+128%
Mixed
Peak Sequential Mixed IO Speed 		1235 MB/s 3409 MB/s Hugely faster peak mixed IO speed.
+176%
4K Mixed
Peak 4K Random Mixed IO Speed 		66 MB/s 113 MB/s Much faster peak random mixed IO.
+71%
SusWrite
Peak Sequential Sustained Write 60s Average 		585 MB/s 4096 MB/s Hugely faster peak sustained write speed.
+600%
Value & Sentiment 
+∞%
Market Share
Based on 76,214,761 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0 % 0.6 % Insanely higher market share.
+∞%
User Rating
UBM User Rating 		50 % 74 % Much more popular.
+48%
Nice To Haves 
+128%
Age
Newest 		52+ Months 22 Months Much more recent.
+58%
DQ Read
Peak 4K-64Thread Read Speed 		841 MB/s 2433 MB/s Hugely faster peak deep queue read.
+189%
DQ Write
Peak 4K-64Thread Write Speed 		1187 MB/s 2047 MB/s Much faster peak deep queue write.
+72%
AS-SSD Total
AS-SSD Total Score 		4,673 Pts 7,391 Pts Much stronger server IO.
+58%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		825 MB/s 2253 MB/s Hugely faster peak deep queue mixed IO.
+173%
ADQ Read
Avg. 4K-64Thread Read Speed 		746 MB/s 1741 MB/s Hugely faster deep queue read.
+133%
ADQ Write
Avg. 4K-64Thread Write Speed 		602 MB/s 1362 MB/s Hugely faster deep queue write.
+126%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		483 MB/s 1519 MB/s Hugely faster deep queue mixed IO.
+214%
Specifications 
Capacity
Capacity 		250GB 1TB
Conclusion 
Average Bench 158%
Average Bench 443%
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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) June 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]

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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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 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?
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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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The Best
CPUGPUSSD
Intel Core i5-12600K $163Nvidia RTX 4060 $293WD Black SN850X M.2 2TB $150
Intel Core i5-13600K $249Nvidia RTX 4060-Ti $385WD Black SN850X M.2 1TB $89
Intel Core i5-12400F $110Nvidia RTX 4070 $520Crucial T700 M.2 4TB $397
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