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AdataASP900S3-256GM-C
OCZVTX4-25SAT3-256G
▲ 505 ▼

Controller: LSI SandForce SF2281. NAND Flash: Intel Micron Synchronous 25nm 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 
+23%
Real World Speed
Performance profile from 21,785 user samples
Benchmark your SSD here
9,430 User Benchmarks
Best Bench: 89% 187GB free
Worst Bench: 53% 6GB free
Poor: 53% Great: 89%
SPEED RANK: 603rd / 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 		74 % 90.8 % Faster effective speed.
+23%
Average Score 
+26%
Read
Avg. Sequential Read Speed 		353 MB/s 375 MB/s Slightly faster read speed.
+6%
Write
Avg. Sequential Write Speed 		248 MB/s 392 MB/s Much faster write speed.
+58%
4K Read
Avg. 4K Random Read Speed 		27.2 MB/s 27.4 MB/s +1%
4K Write
Avg. 4K Random Write Speed 		80.3 MB/s 90.8 MB/s Faster random write.
+13%
Mixed
Avg. Sequential Mixed IO Speed 		264 MB/s 266 MB/s +1%
4K Mixed
Avg. 4K Random Mixed IO Speed 		34.9 MB/s +1% 34.5 MB/s
SusWrite
Avg. Sustained Write Speed 		177 MB/s 363 MB/s Hugely faster sustained write speed.
+105%
Peak Score 
+24%
Read
Peak Sequential Read Speed 		419 MB/s 456 MB/s Slightly faster peak read speed.
+9%
Write
Peak Sequential Write Speed 		303 MB/s 460 MB/s Much faster peak write speed.
+52%
4K Read
Peak 4K Random Read Speed 		33.9 MB/s +1% 33.7 MB/s
4K Write
Peak 4K Random Write Speed 		111 MB/s 132 MB/s Faster peak random write.
+19%
Mixed
Peak Sequential Mixed IO Speed 		299 MB/s 316 MB/s Slightly faster peak mixed IO speed.
+6%
4K Mixed
Peak 4K Random Mixed IO Speed 		44.1 MB/s Slightly faster peak random mixed IO.
+7% 		41.4 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average 		236 MB/s 448 MB/s Hugely faster peak sustained write speed.
+90%
Value & Sentiment 
+5%
Market Share
Based on 76,173,103 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.01 % 0.01 %
Value
Value For Money 		4.27 % +1% 4.23 %
User Rating
UBM User Rating 		50 % 53 % Slightly more popular.
+6%
Price
Price (score) 		$300 Cheaper.
+25% 		$400
Nice To Haves 
+28%
Age
Newest 		124+ Months More recent.
+15% 		146 Months
DQ Read
Peak 4K-64Thread Read Speed 		290 MB/s 345 MB/s Faster peak deep queue read.
+19%
DQ Write
Peak 4K-64Thread Write Speed 		264 MB/s 357 MB/s Much faster peak deep queue write.
+35%
AS-SSD Total
AS-SSD Total Score 		965 Pts 1,188 Pts Stronger server IO.
+23%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		247 MB/s 336 MB/s Much faster peak deep queue mixed IO.
+36%
ADQ Read
Avg. 4K-64Thread Read Speed 		213 MB/s 302 MB/s Much faster deep queue read.
+42%
ADQ Write
Avg. 4K-64Thread Write Speed 		216 MB/s 277 MB/s Faster deep queue write.
+28%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		176 MB/s 278 MB/s Much faster deep queue mixed IO.
+58%
Specifications 
Capacity
Capacity 		256GB 256GB
Conclusion 
Average Bench 74%
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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 Frequently Asked Questions

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