- Sep 28, 2005
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150W per 120x1 on a swiftech class...
So that means a swiftech: (the MCR is and always will be the basis of most comparison as it was the most popular radiator when all these testing was done.)
@~5C delta using Yate Loon DSH @ 1600RPM @ 1GPM FLOW.
MCR120 -> 150W
MCR220 -> 300W
MCR320 -> 450W
A thicker Radiator like the XSPC RX360 series.. that has shown to be able to do 500-550W due to its thicker core size at the same specs as the MCR listed.
Greater flow also allows that number to go higher (RX360 can do ~600-700W @ 1.5gpm+)... but ur basically cap'd at around 2gpm tho.... this is where u get nailed with diminished returns hardcore... Also this requires a magnitude amount of DDC's, which u will then have to calculate pump heat into your EQ.. and also u risk cavitation problems at the inlet of your pump string.
Overall the greatest sweet spot in water is roughly 1gpm-1.5gpm
This is where u will see the best returns... at 1.5gpm it takes roughly 300W of heat for the water temp in your system to go up or down 1C.
(this helps u minimize a temperature gradient from forming inside your PC..)
3 important Thermo concepts for custom water.
1. Heat Range... How much heat is being dished out by system.
2. Flow - This gets VERY underestimated because of AIO.s Having less then 1gpm has shown a hugh performance drop. You really want to get as close to as 1.5gpm as possible.
3. Blocks... how your block was designed and how its used is also very important.
If you have injector blocks... blocks with injectors.. or anything type of internal nozzle, you can tell HEAD PRESSURE is a very important value here.
More head pressure.. more turbulance u will cause with the injectors, which will in turn yield you greater cooling efficiency.
If your using low restriction blocks tho, it wont matter how much head pressure you have, as that wasn't the design of it.
It breaks my heart when i see people pushing a injector type block on a very big loop... because they failed at the beginning.
So that means a swiftech: (the MCR is and always will be the basis of most comparison as it was the most popular radiator when all these testing was done.)
@~5C delta using Yate Loon DSH @ 1600RPM @ 1GPM FLOW.
MCR120 -> 150W
MCR220 -> 300W
MCR320 -> 450W
A thicker Radiator like the XSPC RX360 series.. that has shown to be able to do 500-550W due to its thicker core size at the same specs as the MCR listed.
Greater flow also allows that number to go higher (RX360 can do ~600-700W @ 1.5gpm+)... but ur basically cap'd at around 2gpm tho.... this is where u get nailed with diminished returns hardcore... Also this requires a magnitude amount of DDC's, which u will then have to calculate pump heat into your EQ.. and also u risk cavitation problems at the inlet of your pump string.
Overall the greatest sweet spot in water is roughly 1gpm-1.5gpm
This is where u will see the best returns... at 1.5gpm it takes roughly 300W of heat for the water temp in your system to go up or down 1C.
(this helps u minimize a temperature gradient from forming inside your PC..)
3 important Thermo concepts for custom water.
1. Heat Range... How much heat is being dished out by system.
2. Flow - This gets VERY underestimated because of AIO.s Having less then 1gpm has shown a hugh performance drop. You really want to get as close to as 1.5gpm as possible.
3. Blocks... how your block was designed and how its used is also very important.
If you have injector blocks... blocks with injectors.. or anything type of internal nozzle, you can tell HEAD PRESSURE is a very important value here.
More head pressure.. more turbulance u will cause with the injectors, which will in turn yield you greater cooling efficiency.
If your using low restriction blocks tho, it wont matter how much head pressure you have, as that wasn't the design of it.
It breaks my heart when i see people pushing a injector type block on a very big loop... because they failed at the beginning.
Last edited:
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