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Does the Swiftech MCP35x pump need a heatsink? - Page 2

post #11 of 16
I reckon that'd be better and cheaper than the RAMsinks.
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post #12 of 16
no you dont need a heat sink for the mcp35x. i have two of t hem
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post #13 of 16
I've got two of them too. Still have heatsinks on them though especially after reading this
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post #14 of 16
Per Martin's testing, the DDC 355 and 35X 18W+ reach 100C while under load. Having two of them just adds more to the overall heat dump.

With that said, I would echo AngryButcher's comment of placing the pumps in the path of direct air flow and/or add a type of heatsink to the base of the pump. Now, the hottest part of the pump base is the circular center area.

Heat over time kills electronics. Those pumps would last longer having the base cooled. RAM heatsinks, northbridge heatsinks from an old P4 or something would work.
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post #15 of 16
Heat really depends heavily on two factors:

1) PWM setting. If you are running at slower speeds most of the time like 50% PWM or less, heat really isn't a problem.
2) Restriction Level. The less restriction and higher the flow rate the HOTTER they get. I would suggest a heatsink for 2+GPM levels, but probably not a big deal for 1-1.5GPM.

Also a fan blowing over the base and avoiding installs where there is little to no air and/or insulating the base can go a long way.
    
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post #16 of 16
Thread Starter 
Thanks for the feedback everyone. I'll measure whether the reservoir + MCP35x + heatsink would be too tall for the area I've marked out for it in my case, if not I'll get the heatsink kit for it + 80mm [PWM] fan. Thanks.
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