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CrucialCT4000T700SSD(3|5)
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Release date ≈ Q3 2021.

Effective Speed 
+99%
Real World Speed
Performance profile from 750 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 / 1080
6 User Benchmarks
Best Bench: 500% 521GB free
Worst Bench: 227% 2TB free
Poor: 227% Great: 500%
SPEED RANK: 22nd / 1080
Effective Speed
Effective SSD Speed 		735 % Hugely faster effective speed.
+99% 		370 %
Average Score 
+89%
Read
Avg. Sequential Read Speed 		6,026 MB/s Hugely faster read speed.
+159% 		2,326 MB/s
Write
Avg. Sequential Write Speed 		6,092 MB/s Much faster write speed.
+52% 		4,008 MB/s
4K Read
Avg. 4K Random Read Speed 		94.5 MB/s Hugely faster random read.
+108% 		45.5 MB/s
4K Write
Avg. 4K Random Write Speed 		235 MB/s Hugely faster random write.
+93% 		122 MB/s
Mixed
Avg. Sequential Mixed IO Speed 		3,358 MB/s Much faster mixed IO speed.
+44% 		2,338 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed 		123 MB/s Hugely faster random mixed IO.
+100% 		61.5 MB/s
SusWrite
Avg. Sustained Write Speed 		4,851 MB/s Much faster sustained write speed.
+65% 		2,946 MB/s
Peak Score 
+66%
Read
Peak Sequential Read Speed 		7,655 MB/s Hugely faster peak read speed.
+120% 		3,474 MB/s
Write
Peak Sequential Write Speed 		8,214 MB/s Faster peak write speed.
+17% 		7,028 MB/s
4K Read
Peak 4K Random Read Speed 		94.6 MB/s Much faster peak random read.
+65% 		57.4 MB/s
4K Write
Peak 4K Random Write Speed 		363 MB/s Much faster peak random write.
+76% 		206 MB/s
Mixed
Peak Sequential Mixed IO Speed 		3,955 MB/s +4% 3,793 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed 		149 MB/s Hugely faster peak random mixed IO.
+92% 		77.5 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average 		7,376 MB/s Hugely faster peak sustained write speed.
+88% 		3,927 MB/s
Value & Sentiment 
+∞%
Market Share
Based on 77,572,544 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.07 % Insanely higher market share.
+∞% 		0 %
User Rating
UBM User Rating 		73 % Much more popular.
+46% 		50 %
Nice To Haves 
+104%
Age
Newest 		17 Months Much more recent.
+55% 		38+ Months
DQ Read
Peak 4K-64Thread Read Speed 		2,321 MB/s Hugely faster peak deep queue read.
+132% 		999 MB/s
DQ Write
Peak 4K-64Thread Write Speed 		1,901 MB/s Much faster peak deep queue write.
+63% 		1,166 MB/s
AS-SSD Total
AS-SSD Total Score 		7,932 Pts Hugely stronger server IO.
+81% 		4,387 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		2,067 MB/s Hugely faster peak deep queue mixed IO.
+121% 		937 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed 		1,767 MB/s Hugely faster deep queue read.
+137% 		746 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed 		1,235 MB/s Hugely faster deep queue write.
+86% 		664 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		1,522 MB/s Hugely faster deep queue mixed IO.
+154% 		599 MB/s
Specifications 
Capacity
Capacity 		4TB 4TB
Conclusion 
Average Bench 735%
Average Bench 370%

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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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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 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?
How is the AS SSD write score calculated?
How is the AS SSD read score calculated?
How is the AS SSD total score calculated?
ALL FAQs »

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The Best
CPUGPUSSD
Intel Core i5-12600K $165Nvidia RTX 4060 $290WD Black SN850X M.2 2TB $129
Intel Core i5-13600K $210Nvidia RTX 4060-Ti $389WD Black SN850X M.2 1TB $80
Intel Core i5-12400F $111Nvidia RTX 4070 $500Crucial T700 M.2 4TB $406
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