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Think the higher models can be driven harder

Hey Jacob, yeah I thought it sounded too easy to be true, would like to know why it can't be used though. Where did you buy the heatsink? That's like 1m x 6 1/2" x 1 " , how many fins? Can be used passively with 2 x 50w? I look at heatsinkUSA but the shipping is almost as expensive as the HS...

Hey guys wondering what you think about aluminium tubes...Would these tubes (link bottom) at 1m long be able to passively cool 2 cxb3590s running at say 50w? £100 (including VAT, and almost free cutting to size) for: 5m long x 152mm (6") width x 50mm (2") height x 3mm (1/8th") thick. I think...

Ok that's all I was looking for thanks guys

Sure but quality control, or lack of, from many Chinese exporters result in defective or partially defective chips. Just hoping someone who has perhaps tested them side by side (Jerry's and real Crees) to see if there is any difference in quality? Videos like these make me wary;

I don't understand either, I thought Cree were USA chips yet there's multiple threads swearing by this Jerry Meng guy. Do Cree build in China or are these copies? I'm in the UK and looking to by about 10 CXB3590s, it works out around $300 cheaper compared to mouser or digikey which is obviously...