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IntelSSDSC2BW240H601
OCZVTX4-25SAT3-128G
▲ 531,512 ▼

Controller: LSI SandForce SF2281. Memory: Intel 16nm MLC. Release date: Q2 2015.

VS
▲ 53584 ▼

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

Effective Speed 
+12%
Real World Speed
Performance profile from 28,514 user samples
Benchmark your SSD here
9,142 User Benchmarks
Best Bench: 95% 223GB free
Worst Bench: 58% 136GB free
Poor: 58% Great: 95%
SPEED RANK: 503rd / 1080
19,372 User Benchmarks
Best Bench: 104% 95GB free
Worst Bench: 64% 14GB free (System drive)
Poor: 64% Great: 104%
SPEED RANK: 366th / 1080
Effective Speed
Effective SSD Speed 		79.2 % 88.3 % Faster effective speed.
+12%
Average Score 
+17%
Read
Avg. Sequential Read Speed 		385 MB/s 388 MB/s +1%
Write
Avg. Sequential Write Speed 		230 MB/s 350 MB/s Much faster write speed.
+52%
4K Read
Avg. 4K Random Read Speed 		29.9 MB/s Faster random read.
+14% 		26.2 MB/s
4K Write
Avg. 4K Random Write Speed 		80 MB/s 96.1 MB/s Faster random write.
+20%
Mixed
Avg. Sequential Mixed IO Speed 		274 MB/s +2% 268 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed 		37.8 MB/s Slightly faster random mixed IO.
+6% 		35.5 MB/s
SusWrite
Avg. Sustained Write Speed 		180 MB/s 298 MB/s Much faster sustained write speed.
+66%
Peak Score 
+15%
Read
Peak Sequential Read Speed 		454 MB/s 457 MB/s +1%
Write
Peak Sequential Write Speed 		255 MB/s 393 MB/s Much faster peak write speed.
+54%
4K Read
Peak 4K Random Read Speed 		36.7 MB/s Faster peak random read.
+21% 		30.4 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 		301 MB/s 302 MB/s +0%
4K Mixed
Peak 4K Random Mixed IO Speed 		47.3 MB/s Faster peak random mixed IO.
+13% 		42 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average 		230 MB/s 381 MB/s Much faster peak sustained write speed.
+66%
Value & Sentiment 
+∞%
Market Share
Based on 76,275,234 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.01 % Insanely higher market share.
+∞% 		0 %
Value
Value For Money 		5.91 % Much better value.
+52% 		3.89 %
User Rating
UBM User Rating 		53 % 53 %
Price
Price (score) 		$200 Slightly cheaper.
+7% 		$215
Nice To Haves 
+33%
Age
Newest 		110 Months More recent.
+25% 		146 Months
DQ Read
Peak 4K-64Thread Read Speed 		296 MB/s 350 MB/s Faster peak deep queue read.
+18%
DQ Write
Peak 4K-64Thread Write Speed 		245 MB/s 354 MB/s Much faster peak deep queue write.
+44%
AS-SSD Total
AS-SSD Total Score 		957 Pts 1,176 Pts Stronger server IO.
+23%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		176 MB/s 331 MB/s Hugely faster peak deep queue mixed IO.
+88%
ADQ Read
Avg. 4K-64Thread Read Speed 		273 MB/s 307 MB/s Faster deep queue read.
+12%
ADQ Write
Avg. 4K-64Thread Write Speed 		212 MB/s 274 MB/s Faster deep queue write.
+29%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		158 MB/s 275 MB/s Much faster deep queue mixed IO.
+74%
Specifications 
Capacity
Capacity 		240GB 128GB
Conclusion 
Average Bench 79.2%
Average Bench 88.3%
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The Intel 535 SSD was quietly released in April 2015, very few review samples were distributed and the release went largely unnoticed. The 535 sports the same basic specs as its predecessor, the 530. The 20nm NAND in the 530 has been replaced with marginally slower 16nm NAND and both drives use the same five year old SandForce 2281 controller. Comparing performance between 240GB 530 and 535 shows that the two drives share the same performance profile which is severely hampered by a particularly weak incompressible write speed, something the SandForce controller is notorious for. Overall the 240GB 535 scores an effective speed of 71.5% which puts it amongst the slowest handful of new SSDs on the market. There are other drives on the market that use newer technology and represent far value for money. [Aug '15 SSDrivePro]

MORE DETAILS

The 128GB Vertex 4 has an average score of 90.5% which is the highest we have seen to date for a 120-128GB SSD. We have in excess of 100 UBM samples for the Vertex 4 and they show that the 128GB Vertex 4 performs superbly outside the lab. With peak sequential read/write speeds of 508/391 and averages of 398/325 MB/s the Vertex 4 manages to average around 75% of its peak sequential speeds, a very impressive result. The Vertex 4 was superseded by the OCZ Vertex 450 several months ago. OCZ release new versions with minor tweaks approximately every six months. Comparing the Vertex 450 to the Vertex 4 shows that the move to 20nm flash and a new Indilinx controller has reduced overall performance by around 15%, so the older Vertex 4 is actually faster than its successor. [Feb '14 SSDrivePro]

MORE DETAILS

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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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