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Can my MCP35X handle another Radiator in this loop?

post #1 of 12
Thread Starter 
This is my PC:





Hi guys currently this is in my loop:

1x EK Supremacy HF CPU Block
2x XSPC Raystorm Universal GPU Block
1x ASUS Stock Mobo Maximus5Forumula Block

1x XSPC EX360 Radiator
1x EK XT360 Radiator


Do you think i can add in a 480mm radiator in the loop with no problems? Its at 30% speed and temps are where i want it and the noise is soooo silent i can literally run this on load in a library and no one will know.... rolleyes.gif Would adding in another radiator force me to ramp up the pump speed a lot? or you dont think so?

Im relatively new to water cooling so im still trying to learn and im scared if i order a 480mm radiator ill end up having to turn up my pump to like 75% or 80% where it starts to somewhat become audible....

What do you guys think?
post #2 of 12
Well rads add very little restriction so I think you be fine even with the reduced pump speed.
    
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post #3 of 12
Thread Starter 
Quote:
Originally Posted by Bit_reaper View Post

Well rads add very little restriction so I think you be fine even with the reduced pump speed.

Oh they add very little restriction? Didnt know that. Thanks ! thumb.gif

Is there such thing as a radiator that has "more restriction" than another? Or can you say that all radiators are pretty much the same in restriction?

I just wanted to add in another thin 480mm rad and have fans on it running at like 500rpm in push/pull. Its more so for looks at this point since my temperatures are exactly where i want them.
post #4 of 12
Quote:
Originally Posted by Aesthethc View Post

Oh they add very little restriction? Didnt know that. Thanks ! thumb.gif

Is there such thing as a radiator that has "more restriction" than another? Or can you say that all radiators are pretty much the same in restriction?

I just wanted to add in another thin 480mm rad and have fans on it running at like 500rpm in push/pull. Its more so for looks at this point since my temperatures are exactly where i want them.

Sure there are differences depending on the pipe layout and pipe size/shape. Bigger round tubes with a more parallel layout offers more flow, while a radiator with small, falter tubes in an more serial layout offers less flow. In most cases however its of little practical impact as the differences end up very slight due to the barbs ending up as bottlenecks more the the radiator it self.
    
CPUMotherboardGraphicsRAM
i7 920 OC 4.0 GHz 1.35v HT on Asus P6T 1366 SLI Gigabyte GTX 970 OCZ 12GB DDR3 GOLD/Platinum mix 
Hard DriveHard DriveHard DriveHard Drive
Samsung Spinpoint F1 1TB Western digital 300GB Western digital Caviar Blue 1TB Samsung 840 EVO 250Gb 
Optical DriveCoolingOSMonitor
generic LG DVD WC'd , Supreme LT, NexXxoS Xtreme III 360, Phob... Windows 7 x64 Samsung 27" LED S27A550B 
MonitorMonitorKeyboardPower
ACER 23" x233H Dell U3415W Logitech G11 Chieftec 850W 
CaseMouseMouse PadAudio
Phanteks enthoo luxe Razer deathAdder respawn steelseries Qck Yamaha HTR-6130 AV Receiver 
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generic LG DVD WC'd , Supreme LT, NexXxoS Xtreme III 360, Phob... Windows 7 x64 Samsung 27" LED S27A550B 
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post #5 of 12
Quote:
Originally Posted by Bit_reaper View Post

Sure there are differences depending on the pipe layout and pipe size/shape. Bigger round tubes with a more parallel layout offers more flow, while a radiator with small, falter tubes in an more serial layout offers less flow. In most cases however its of little practical impact as the differences end up very slight due to the barbs ending up as bottlenecks more the the radiator it self.

Generally thicker rads have better flow and thinner ones have worse, but there are exceptions. This page shows some of the restrictions of several radiators, they vary a lot and as you can see some such as the Black Ice GTX even reach into CPU WB territory.
post #6 of 12
Thread Starter 
Quote:
Originally Posted by Bit_reaper View Post

Sure there are differences depending on the pipe layout and pipe size/shape. Bigger round tubes with a more parallel layout offers more flow, while a radiator with small, falter tubes in an more serial layout offers less flow. In most cases however its of little practical impact as the differences end up very slight due to the barbs ending up as bottlenecks more the the radiator it self.

Thanks for the info Bit_reaper, more food for thought wink.gif I see XSPC has a "crossflow" designed radiator, is that any better for having lesser restriction in radiators? Or is that just a marketing gimmick?
Quote:
Originally Posted by WarpPrism View Post

Generally thicker rads have better flow and thinner ones have worse, but there are exceptions. This page shows some of the restrictions of several radiators, they vary a lot and as you can see some such as the Black Ice GTX even reach into CPU WB territory.

Didnt know this! Looks like your Alphacool UT60 will be less restrictive than a Swiftech QP Radiator. Interesting.

Im thinking about an XSPC EX480 or a Swiftech 480 QP.... The swiftech rad looks to have the highest relative restriction, so do you think opting for an XSPC EX480 would be better idea?

Thanks again for your replies guys im learning tons!
post #7 of 12
The EX has restriction similar to the RS, but a bit higher. See Martin's EX360 review. You can then use that to compare to other rads in the more extensive graph.
Edited by WarpPrism - 1/8/14 at 7:16pm
post #8 of 12
Thread Starter 
Quote:
Originally Posted by WarpPrism View Post

The EX has restriction similar to the RS, but a bit higher. See Martin's EX360 review. You can then use that to compare to other rads in the more extensive graph.

Ahhhh. Good example. Thanks WarpPrism i have a good idea now biggrin.gif
post #9 of 12
Most radiators shouldn't add a noticeable increase to flow restriction, but slimmer rads like the EX might, especially at the 480 size.

You might have to run the MCP35X higher (have you got a fan blowing on it, at all?) But I think it should be alright, since DDC pumps have great pressure.
post #10 of 12
Thread Starter 
Quote:
Originally Posted by WarpPrism View Post

Most radiators shouldn't add a noticeable increase to flow restriction, but slimmer rads like the EX might, especially at the 480 size.

You might have to run the MCP35X higher (have you got a fan blowing on it, at all?) But I think it should be alright, since DDC pumps have great pressure.

Ill have to see, currently my pump is at around 30-40% and its pretty quiet so far. Yes i have an 80mm fan mounted on the MCP35X heatsink as well as like 20 copper RAM heatsinks all around the pump (overkill i know -- but my last MCP35X burned out on me so im not taking any risks!)


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