Building my first customer water cooling loop. Need some help deciding between the EK P360 and L360 kits.

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beekermartin

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I am planning on cooling an i7 4790k at 4.4 all cores and 2x980ti's that can reach as high as 1500 mhz. I will probably run them at 1450 mhz most of the time. I have a Corsair Air 540 case. I plan on adding a second radiator, a PE240.

Is the L360 kit's DDC 3.1 pump powerful enough or should I spend more and get the P360 kit with the D5 pump? It is $113 more for the P360 than the L360. Also the P360 is not in stock at the moment. Nor are the blocks I need for my 980tis.

So should I wait and get the P360 or just get the L360?
 
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rubix_1011
Since the EK kit youmentioned comes with the 6w DDC rather than the 18w version, I would agree with their recommendation. This DDC is undervolted and isn't going to be pushing the full capability of the DDC like you would get from a normal, standalone DDC would.
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beekermartin

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Thank you for the response.

I am having a hard time finding information on the DDC 3.1 6w pump that is included with the L360 kit. I an concerned it won't be powerful enough for my setup. I am sure it is powerful enough for a single block and radiator that the L360 comes with but will it be powerful enough for a second radiator and 2 GPU blocks?
 
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beekermartin

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I finally found some specs. It appears the ddc pump in the L360 is only rated for a maximum of 450 l/h compared to the D5 1500 l/h. I have a feeling the the ddc pump in the L360 kit will struggle with an additional 240 radiator and two gpu blocks.
 
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beekermartin

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I understand that and I appreciate your help. Won't the second radiator and 2 GPU blocks cause more restriction? I don't want to go with the cheaper kit and then have to upgrade the pump later on. I am leaning towards waiting for the P360 kit to come back in stock.

I emailed EK and they told me to go with the P360 kit with the D5 pump.
 
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rubix_1011

rubix_1011

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Since the EK kit youmentioned comes with the 6w DDC rather than the 18w version, I would agree with their recommendation. This DDC is undervolted and isn't going to be pushing the full capability of the DDC like you would get from a normal, standalone DDC would.
 
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beekermartin

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That is my conclusion as well. Thanks again for your help Rubix! I really appreciate it.

It was hard finding information about the 6w DDC. Once I did I realized the difference compared to the higher wattage DDC pumps.
 
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beekermartin

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I realize that now as well. If I was going with just a single gpu block and staying with one radiator I would give the 6w DDC a shot. I can't imagine the Predator can handle an additional two GPU blocks and a second radiator. Maybe it can but I would rather spend a bit more now so I know I don't have to upgrade anytime soon.
 
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