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CrucialCT4000T700SSD(3|5)
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Release date ≈ Q4 2019.

Effective Speed 
+216%
Real World Speed
Performance profile from 749 user samples
Benchmark your SSD here
744 User Benchmarks
Great bench: 994% 1.5TB free
Poor bench: 415% 2.5TB free (System drive)
Poor: 415% Great: 994%
SPEED RANK: 3rd / 1079
5 User Benchmarks
Best Bench: 323% 899GB free (System drive)
Worst Bench: 169% 806GB free (System drive)
Poor: 169% Great: 323%
SPEED RANK: 80th / 1079
Effective Speed
Effective SSD Speed 		735 % Hugely faster effective speed.
+216% 		232 %
Average Score 
+191%
Read
Avg. Sequential Read Speed 		6026 MB/s Hugely faster read speed.
+221% 		1878 MB/s
Write
Avg. Sequential Write Speed 		6092 MB/s Hugely faster write speed.
+251% 		1737 MB/s
4K Read
Avg. 4K Random Read Speed 		94.5 MB/s Hugely faster random read.
+193% 		32.2 MB/s
4K Write
Avg. 4K Random Write Speed 		235 MB/s Hugely faster random write.
+84% 		128 MB/s
Mixed
Avg. Sequential Mixed IO Speed 		3358 MB/s Hugely faster mixed IO speed.
+161% 		1289 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed 		123 MB/s Hugely faster random mixed IO.
+116% 		56.9 MB/s
SusWrite
Avg. Sustained Write Speed 		4851 MB/s Hugely faster sustained write speed.
+314% 		1172 MB/s
Peak Score 
+181%
Read
Peak Sequential Read Speed 		7655 MB/s Hugely faster peak read speed.
+201% 		2544 MB/s
Write
Peak Sequential Write Speed 		8214 MB/s Hugely faster peak write speed.
+251% 		2342 MB/s
4K Read
Peak 4K Random Read Speed 		94.6 MB/s Hugely faster peak random read.
+167% 		35.4 MB/s
4K Write
Peak 4K Random Write Speed 		363 MB/s Hugely faster peak random write.
+121% 		164 MB/s
Mixed
Peak Sequential Mixed IO Speed 		3955 MB/s Hugely faster peak mixed IO speed.
+159% 		1526 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed 		149 MB/s Hugely faster peak random mixed IO.
+118% 		68.5 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average 		7376 MB/s Hugely faster peak sustained write speed.
+253% 		2088 MB/s
Value & Sentiment 
+∞%
Market Share
Based on 76,188,021 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.11 % Insanely higher market share.
+∞% 		0 %
User Rating
UBM User Rating 		73 % Much more popular.
+46% 		50 %
Nice To Haves 
+281%
Age
Newest 		12 Months Much more recent.
+78% 		54+ Months
DQ Read
Peak 4K-64Thread Read Speed 		2321 MB/s Hugely faster peak deep queue read.
+554% 		355 MB/s
DQ Write
Peak 4K-64Thread Write Speed 		1901 MB/s Much faster peak deep queue write.
+78% 		1066 MB/s
AS-SSD Total
AS-SSD Total Score 		7,932 Pts Hugely stronger server IO.
+225% 		2439 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		2067 MB/s Hugely faster peak deep queue mixed IO.
+454% 		373 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed 		1767 MB/s Hugely faster deep queue read.
+468% 		311 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed 		1235 MB/s Much faster deep queue write.
+39% 		887 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		1522 MB/s Hugely faster deep queue mixed IO.
+352% 		337 MB/s
Specifications 
Capacity
Capacity 		4TB 1TB
Conclusion 
Average Bench 735%
Average Bench 232%
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The Crucial T700 is one of the first PCIe 5.0 SSDs, offering peak data rates double those of PCIe 4.0. The T700 can reach staggering burst sequential read and write speeds of 15 and 12 GB/s. However, out of cache performance still lies within PCIe 4.0 limits so the T700 doesn’t have a PCIe 5.0 advantage during sustained workloads. At current prices (1TB = $140, 2TB = $270, 4TB = $370) the T700 may be of interest to users looking for almost unparalleled burst performance, though most users won’t notice much improvement compared to the WD Black SN850X because of other bottlenecks in in a typical system. [Jun '24 SSDrivePro]

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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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  • 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?
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Solid State Drives
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What is 4K 64 thread write speed?
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The Best
CPUGPUSSD
Intel Core i5-12600K $164Nvidia RTX 4060 $293WD Black SN850X M.2 2TB $150
Intel Core i5-12400F $110Nvidia RTX 4060-Ti $385WD Black SN850X M.2 1TB $89
Intel Core i5-13600K $245Nvidia RTX 4070 $549Crucial T700 M.2 4TB $359
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