two pass vs one pass radiators

what's there to discuss? I think the PA 120.x series has been shown to be the best. It's a function of pressure drop versus heat dissapation given constant flow rate right?
 
what's there to discuss? I think the PA 120.x series has been shown to be the best. It's a function of pressure drop versus heat dissapation given constant flow rate right?

It's pretty much settled. They're the most popular rads in europe as the price difference between the PA's and the runner ups, the Swiftie MCR's, aren't as big as they are over here in the US.

If you're in the US, you can make a case for using Swiftech's rads for price/performance reasons. But if you're looking for sheer performance, nothing beats the PA's... except if you're in the US, you just have to pay a large import premium for it.
 
2 pass. Better cooling, more restriction.
1pass. Less cooling, less restriction. Barbs on opposite end, good for some cases.

Temp delta between employing a comparable single and double pass rad (let's say a single BIP or BIPXflow): ~15%.
 
That search button up top is really handy...

Yesterday it was limited to 6-4-2007 and forward. Just did a search for Aqua Computer and it gave almost 1,000 hits going back to 2004. They ditched the standard vBulletin search software for something else and it really is much more efficient. :D
 
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