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CrucialCT480M500SSD1
OCZVTX4-25SAT3-256G
▲ 502 ▼

Controller: Marvell 88SS9187. Flash Memory: Micron Synchronous 20nm MLC. Release date ≤ Q1 2014.

VS
▲ 531,525 ▼

Controller: Indilinx Everest 2 IDX400M00-BC. Flash Memory: Intel Synchronous 25nm MLC. Release date: Q2 2012.

Effective Speed 
+9%
Real World Speed
Performance profile from 21,523 user samples
Benchmark your SSD here
9,168 User Benchmarks
Best Bench: 100% 447GB free
Worst Bench: 59% 71GB free (System drive)
Poor: 59% Great: 100%
SPEED RANK: 447th / 1080
12,355 User Benchmarks
Best Bench: 106% 238GB free
Worst Bench: 68% 26GB free
Poor: 68% Great: 106%
SPEED RANK: 322nd / 1080
Effective Speed
Effective SSD Speed 		83 % 90.8 % Slightly faster effective speed.
+9%
Average Score 
+7%
Read
Avg. Sequential Read Speed 		396 MB/s Slightly faster read speed.
+6% 		375 MB/s
Write
Avg. Sequential Write Speed 		376 MB/s 392 MB/s +4%
4K Read
Avg. 4K Random Read Speed 		22.3 MB/s 27.4 MB/s Faster random read.
+23%
4K Write
Avg. 4K Random Write Speed 		78.5 MB/s 90.8 MB/s Faster random write.
+16%
Mixed
Avg. Sequential Mixed IO Speed 		321 MB/s Faster mixed IO speed.
+21% 		266 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed 		31.1 MB/s 34.5 MB/s Faster random mixed IO.
+11%
SusWrite
Avg. Sustained Write Speed 		306 MB/s 363 MB/s Faster sustained write speed.
+19%
Peak Score 
+9%
Read
Peak Sequential Read Speed 		432 MB/s 456 MB/s Slightly faster peak read speed.
+6%
Write
Peak Sequential Write Speed 		417 MB/s 460 MB/s Faster peak write speed.
+10%
4K Read
Peak 4K Random Read Speed 		26.3 MB/s 33.7 MB/s Faster peak random read.
+28%
4K Write
Peak 4K Random Write Speed 		115 MB/s 132 MB/s Faster peak random write.
+15%
Mixed
Peak Sequential Mixed IO Speed 		347 MB/s Slightly faster peak mixed IO speed.
+10% 		316 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed 		38.2 MB/s 41.4 MB/s Slightly faster peak random mixed IO.
+8%
SusWrite
Peak Sequential Sustained Write 60s Average 		415 MB/s 448 MB/s Slightly faster peak sustained write speed.
+8%
Value & Sentiment 
+114%
Market Share
Based on 76,251,146 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.01 % 0.01 %
Value
Value For Money 		20.5 % Hugely better value.
+384% 		4.23 %
User Rating
UBM User Rating 		50 % 53 % Slightly more popular.
+6%
Price
Price (score) 		$81 Much cheaper.
+80% 		$400
Nice To Haves 
+17%
Age
Newest 		125+ Months More recent.
+14% 		146 Months
DQ Read
Peak 4K-64Thread Read Speed 		340 MB/s 345 MB/s +1%
DQ Write
Peak 4K-64Thread Write Speed 		336 MB/s 357 MB/s Slightly faster peak deep queue write.
+6%
AS-SSD Total
AS-SSD Total Score 		1,119 Pts 1,188 Pts Slightly stronger server IO.
+6%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		189 MB/s 336 MB/s Much faster peak deep queue mixed IO.
+78%
ADQ Read
Avg. 4K-64Thread Read Speed 		305 MB/s +1% 302 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed 		283 MB/s +2% 277 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		172 MB/s 278 MB/s Much faster deep queue mixed IO.
+62%
Specifications 
Capacity
Capacity 		480GB 256GB
Conclusion 
Average Bench 83%
Average Bench 90.8%
ADVERTISEMENT

The Vertex 4 is just over a year old but thanks to its recent firmware update (1.5), it still manages to perform almost on a par with the best drives currently available. One of the striking aspects of the Vertex is its well-rounded performance profile. With an AS-SSD score of 1137 and a real world speed of 548 the Vertex 4 is able to cope extremely well with both server and consumer type workloads. This drive uses the new Indilux Everest 2 controller, which unlike the previous generations of this drive which used a SandForce controller, is able to cope admirably with both compressible and incompressible data. Overall, the Vertex 4 is a great performing SSD that said, there are better value for money (and younger) drives available, including the Vertex 4's own successor, the OCZ Vector. [Jun '13 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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 Frequently Asked Questions

Storage Devices FAQ
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Solid State Drives
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