Help Identify VRM? Did I pick correct heatsink size for them?
That's not the vrm. Those are chokes containing coils inside so it isnt worth it to cool them. Why the hell would you cool some copper wires off? Copper can handle upto dunno 400° no ideas. Basically if your GPU coilwhines its coming from the chokes, if theyre open like my example below you can glue them to prevent them from vibrating and therefore your noise goes away. Nowadays theyre closed.
You see:
VRM contains lots of stuff like probably the easiest to recognize for most of us are the chokes & caps, mosfet/drivers/pwm controllers are those flat black things (left from the coil is an example). Motherboard with heatsinks cool off those mosfets etc, the choke isn't important.
OK to clarify these are for the AsRock FM2A88X+ ITX motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E16813157464
I do plan on overclocking with a Noctua NH-L12. I'm only concerned because I rarely see them on a higher end board (I know AMD A88X is no Z87) without heatsink. I know my downdraw cooler will blow air onto them just wondering if it was necessary. It I don't need to be concerned then great, one less expense.
And my only other option for a Mini ITX A88X board is a Gigabyte one whose CPU placement essentially leaves 0 quality aftermarket options available.
Let's be realistic; whatever OC a NHL12 will allow that CPU will consume nothing so don't expect the VRM running hot either. They can handle upto 120° and you're nowhere coming close to this range especially with that naturefriendly CPU. The power consumption in prime95 would be always worse but who cares for a few hours to test your stability.
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