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phobya extreme 1080: can it cool passively?

post #1 of 6
Thread Starter 
i'm going to watercool my mini-itx rig, which have a 3570k @ 4.5ghz and and will probably upgrade my gtx 680 to 780.

i want the radiator to be external, i'm thinking about going passive so that i can eliminate fan wires, if not then i'll probably just get a 360mm alpacool ut60.

so, what do you think? can the 1080 rad passively cool an overclocked 3570k @ 4.5ghz and an overclocked gtx 680/780? another thing, is one mcp35x enough? or do i need the mcp35x2?
post #2 of 6
No. Unless you're in a room that gets a fair amount of airflow.

You can run passive for a while but not for a terribly long time, it will eventually equalize at a pretty high delta.

I can run passive at idle for ~15 minutes before temps start to bug me.

You could always get an external box fan though to negate having to mount 9 120mm fans. With that much rad space for that hardware you don't need much airflow, but you still need some.
 
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post #3 of 6
Thread Starter 
Quote:
Originally Posted by deafboy View Post

No. Unless you're in a room that gets a fair amount of airflow.

You can run passive for a while but not for a terribly long time, it will eventually equalize at a pretty high delta.

I can run passive at idle for ~15 minutes before temps start to bug me.

You could always get an external box fan though to negate having to mount 9 120mm fans. With that much rad space for that hardware you don't need much airflow, but you still need some.

how about the pump? is a single mcp35x enough?
post #4 of 6
For just 2 blocks and the phobya?

Should be just fine.
 
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post #5 of 6
Thread Starter 
Quote:
Originally Posted by deafboy View Post

For just 2 blocks and the phobya?

Should be just fine.

ok then, thanks!
post #6 of 6
You could always just use the passive radiators from Alphacool

Mind you don't expect to get really low delta temps with that, but it would be silent.
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