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OCZVTX4-25SAT3-256G
KingstonSKC300S37A/60G
▲ 531,525 ▼

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

VS
▲ 500 ▼

Controller: SandForce SF2281. Flash Memory: Toshiba 19nm Toggle Mode. Release date ≤ Q2 2014.

Effective Speed 
+39%
Real World Speed
Performance profile from 13,030 user samples
Benchmark your SSD here
12,355 User Benchmarks
Best Bench: 106% 238GB free
Worst Bench: 68% 26GB free
Poor: 68% Great: 106%
SPEED RANK: 322nd / 1080
675 User Benchmarks
Best Bench: 79% 39GB free
Worst Bench: 51% 44GB free (System drive)
Poor: 51% Great: 79%
SPEED RANK: 745th / 1080
Effective Speed
Effective SSD Speed 		90.8 % Much faster effective speed.
+39% 		65.6 %
Average Score 
+77%
Read
Avg. Sequential Read Speed 		375 MB/s +3% 364 MB/s
Write
Avg. Sequential Write Speed 		392 MB/s Hugely faster write speed.
+211% 		126 MB/s
4K Read
Avg. 4K Random Read Speed 		27.4 MB/s 28.9 MB/s Slightly faster random read.
+5%
4K Write
Avg. 4K Random Write Speed 		90.8 MB/s Faster random write.
+25% 		72.6 MB/s
Mixed
Avg. Sequential Mixed IO Speed 		266 MB/s Much faster mixed IO speed.
+52% 		175 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed 		34.5 MB/s 35.3 MB/s +2%
SusWrite
Avg. Sustained Write Speed 		363 MB/s Hugely faster sustained write speed.
+256% 		102 MB/s
Peak Score 
+83%
Read
Peak Sequential Read Speed 		456 MB/s Slightly faster peak read speed.
+5% 		434 MB/s
Write
Peak Sequential Write Speed 		460 MB/s Hugely faster peak write speed.
+236% 		137 MB/s
4K Read
Peak 4K Random Read Speed 		33.7 MB/s 36.7 MB/s Slightly faster peak random read.
+9%
4K Write
Peak 4K Random Write Speed 		132 MB/s Faster peak random write.
+20% 		110 MB/s
Mixed
Peak Sequential Mixed IO Speed 		316 MB/s Much faster peak mixed IO speed.
+60% 		197 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed 		41.4 MB/s 45.2 MB/s Slightly faster peak random mixed IO.
+9%
SusWrite
Peak Sequential Sustained Write 60s Average 		448 MB/s Hugely faster peak sustained write speed.
+276% 		119 MB/s
Value & Sentiment 
+∞%
Market Share
Based on 77,520,564 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.01 % Insanely higher market share.
+∞% 		0 %
Value
Value For Money 		4.23 % 4.33 % +2%
User Rating
UBM User Rating 		53 % Slightly more popular.
+6% 		50 %
Price
Price (score) 		$400 $59 Hugely cheaper.
+85%
Nice To Haves 
+121%
Age
Newest 		151 Months 126+ Months More recent.
+17%
DQ Read
Peak 4K-64Thread Read Speed 		345 MB/s Hugely faster peak deep queue read.
+145% 		141 MB/s
DQ Write
Peak 4K-64Thread Write Speed 		357 MB/s Hugely faster peak deep queue write.
+159% 		138 MB/s
AS-SSD Total
AS-SSD Total Score 		1,188 Pts Hugely stronger server IO.
+99% 		597 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		336 MB/s Hugely faster peak deep queue mixed IO.
+151% 		134 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed 		302 MB/s Hugely faster deep queue read.
+152% 		120 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed 		277 MB/s Hugely faster deep queue write.
+125% 		123 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		278 MB/s Hugely faster deep queue mixed IO.
+155% 		109 MB/s
Specifications 
Capacity
Capacity 		256GB 60GB
Conclusion 
Average Bench 90.8%
Average Bench 65.6%

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
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?
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