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Thinking about adding an aftermarket cooler to my ATI HD5850. I want an accurate picture of my current temps before and after so I don't break anything. I've seen on some forums that VRM temperatures are an issue with some after market coolers.

What software will give me readouts of these temperatures?

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What's a VRM? (in 15 chars) – Billy ONeal Nov 15 '10 at 23:00
    
The video ram chips, as far as I understand it. You can buy dedicated cooling solutions for them. For example, Thermalright's VRM-R3 – Dane O'Connor Nov 15 '10 at 23:03
    
I believe VRMs are voltage regulators – Sathya Nov 16 '10 at 1:08

a VRM is a voltage regulator... not RAM.

I haven't found a way to check these temps with software personally but you could check with a probe or laser thermometer... though the latter would be pretty expensive!

Any aftermarket cooler will be better as long as you use a heatsink on the VRM. Stock they only come with a cheap thermal pad on them.

Check core temps with a tool like afterburner.

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