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OCZVTX460-25SAT3-120G
CrucialCT256M4SSD2
$218
▲ 5192 ▼

Controller: Indilinx Barefoot 3 M10. Flash Memory: Toshiba 19nm MLC. Release date: Q1 2014.

VS
▲ 521,868 ▼
 $218 

Controller: Marvell 88SS9174-BLD2. Flash Memory: Micron Synchronous 25nm MLC. Release date: Q2 2011.

Effective Speed 
+36%
Real World Speed
Performance profile from 18,949 user samples
Benchmark your SSD here
1,011 User Benchmarks
Best Bench: 100% 72GB free (System drive)
Worst Bench: 61% 33GB free (System drive)
Poor: 61% Great: 100%
SPEED RANK: 449th / 1080
17,938 User Benchmarks
Best Bench: 74% 168GB free
Worst Bench: 43% 72GB free (System drive)
Poor: 43% Great: 74%
SPEED RANK: 804th / 1080
Effective Speed
Effective SSD Speed 		83 % Much faster effective speed.
+36% 		60.8 %
Average Score 
+37%
Read
Avg. Sequential Read Speed 		425 MB/s 432 MB/s +2%
Write
Avg. Sequential Write Speed 		363 MB/s Much faster write speed.
+51% 		240 MB/s
4K Read
Avg. 4K Random Read Speed 		22.7 MB/s Faster random read.
+14% 		19.9 MB/s
4K Write
Avg. 4K Random Write Speed 		87.9 MB/s Faster random write.
+19% 		74.1 MB/s
Mixed
Avg. Sequential Mixed IO Speed 		307 MB/s Faster mixed IO speed.
+23% 		250 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed 		31.7 MB/s Hugely faster random mixed IO.
+117% 		14.6 MB/s
SusWrite
Avg. Sustained Write Speed 		266 MB/s Much faster sustained write speed.
+36% 		195 MB/s
Peak Score 
+38%
Read
Peak Sequential Read Speed 		476 MB/s 494 MB/s +4%
Write
Peak Sequential Write Speed 		416 MB/s Much faster peak write speed.
+55% 		268 MB/s
4K Read
Peak 4K Random Read Speed 		26.8 MB/s Faster peak random read.
+15% 		23.4 MB/s
4K Write
Peak 4K Random Write Speed 		125 MB/s Faster peak random write.
+18% 		106 MB/s
Mixed
Peak Sequential Mixed IO Speed 		348 MB/s Faster peak mixed IO speed.
+27% 		273 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed 		38.4 MB/s Hugely faster peak random mixed IO.
+103% 		18.9 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average 		410 MB/s Much faster peak sustained write speed.
+55% 		265 MB/s
Value & Sentiment 
�%
Market Share
Based on 76,275,517 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0 % 0 %
Value
Value For Money 		3.68 % 4.46 % Better value.
+21%
User Rating
UBM User Rating 		51 % 52 % +2%
Price
Price (score) 		$200 Slightly cheaper.
+8% 		$218
Nice To Haves 
+258%
Age
Newest 		125 Months More recent.
+21% 		158 Months
DQ Read
Peak 4K-64Thread Read Speed 		321 MB/s Much faster peak deep queue read.
+74% 		184 MB/s
DQ Write
Peak 4K-64Thread Write Speed 		351 MB/s Much faster peak deep queue write.
+50% 		234 MB/s
AS-SSD Total
AS-SSD Total Score 		1,121 Pts Much stronger server IO.
+49% 		752 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		285 MB/s Hugely faster peak deep queue mixed IO.
+761% 		33.1 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed 		280 MB/s Hugely faster deep queue read.
+111% 		133 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed 		283 MB/s Hugely faster deep queue write.
+108% 		136 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		235 MB/s Hugely faster deep queue mixed IO.
+892% 		23.7 MB/s
Specifications 
Capacity
Capacity 		120GB 256GB
Conclusion 
Average Bench 83%
Average Bench 60.8%
ADVERTISEMENT

The Crucial M4 is one of the oldest SSD's to have made it into the group test. When it was released its primary competitors were Sandforce based drives which suffered from two major problems: reliability and weak incompressible data performance. As a result this drive was one of the top drives of its time. That was back in Apr '11. Today the M4 is no longer able to compete and scores below average (377.9 MB/s) on the Real World Speed Index benchmark and way below average (676) on the deep queue depth orientated AS-SSD Total score benchmark. Of course these figures are still far faster than any mechanical hard drive and owners of this drive should feel in no hurry to upgrade. People looking to make a new purchase will find much better value elsewhere. [Apr '13 SSDrivePro]

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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?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
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The Best
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Intel Core i5-12400F $110Nvidia RTX 4070 $520Crucial T700 M.2 4TB $353
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