tec/peltier cooling

F

funkysnair

VIP Member
well im planning on getting my 920 down to subzero temps using a peltier water cooling system...

the info i require is the watts i need for the peltier to be to shift the heat from the cpu?

i have purchased a 140watt for £10 but im beggining to think its a little to week, the 140watt removes 70watts at full tilt-will this be enough for an overclcoked i7 920?

my water cooling is going to consist of a black ice tripple rad with high flow fans mounted out rear (maybe 480mm rad)..

i belive the most important thing for a thermoelectric cooled rig to operate effectively i need to get rid of alot of heat from the liquid cooling other wise the peltier might aswell be a a cream cracker between the cpu and water block!

any info is welcome
 
70W might cool the cpu sub ambient at idle, but will be warmer than just a watercooled rig at load/or if overclocked. For an overclocked i7 your looking at a 300W(150W cooling capacity, a 400W with 200W cooling capacity would be better), which would more than likely need its own power supply.
 
get a 470 watt tec, something big, you'll probably need to get a 600 watt meanwell, just consider that tec's are very inefficient, if i remember correctly, your loop will have to deal with 470 watts, plus whatever the cpu is putting off, and you will need a special waterblock for a tec of that size, i know swiftech is coming out with one that is supposed to be able to cool an i7, otherwise i think the other block is an artic stinger, or something like that
 
just a noob said:
get a 470 watt tec, something big, you'll probably need to get a 600 watt meanwell, just consider that tec's are very inefficient, if i remember correctly, your loop will have to deal with 470 watts, plus whatever the cpu is putting off, and you will need a special waterblock for a tec of that size, i know swiftech is coming out with one that is supposed to be able to cool an i7, otherwise i think the other block is an artic stinger, or something like that
Click to expand...

^what he said, your best bet would just run a chilled loop vs a tec on the processor...
 
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