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Old October 26, 2013, 09:30 PM
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Default Do I need another pump?

Hey Guys,

I am fairly new to water cooling and this is my first build, but I have a question about some upgrades I will be doing in the next month or so.

I will be upgrading my current system which is, an MCP655 pump, XSPC AX360 Radiator, XSPC CPU waterblock and an XSPC RX240 Radiator.

I will be changing my video cards from 2 7950's (only one was under water) to two R9 290X's in crossfire both under water. I am wondering if I will need another pump or if I should add another radiator or do any other changes. Or if this system will be fine with the two new GPU's added. Any advice is appreciated.
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Old October 26, 2013, 10:01 PM
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You'll be fine with that pump for sure. Also the general rule for Rads is to have 1 120mm per waterblock. You currently have 5 rad spots with 3 blocks going to be on it so you should be okay.
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Old October 26, 2013, 10:09 PM
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You'll be fine with the pump and the rad setup too.

2x120 per GPU block is my kind of standard but I'm on the overkill side
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Old October 27, 2013, 04:21 AM
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maybe hit the cpu with the dual and the trip use for the cards, going to add one or two 290x to my system also with the same rad/pump setup.
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Old October 27, 2013, 05:40 AM
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use no 90's on pump inlet
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Old October 27, 2013, 07:15 AM
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Quote:
Originally Posted by KaptCrunch View Post
use no 90's on pump inlet
Well it should try to be avoided but it won't kill anything if you do.

One D5 is easily enough for that loop.
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Old October 27, 2013, 09:52 AM
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rad config makes no difference either because the temps will balance out.
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Old October 27, 2013, 11:28 AM
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Rule of thumb. You never need 2 pumps.
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Old October 27, 2013, 11:41 AM
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Great thanks for the info!

Also I shouldn't need to use any 90's I haven't so far and I should be able to add the video cards without them.
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Old October 27, 2013, 11:42 AM
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Quote:
Originally Posted by clshades View Post
rad config makes no difference either because the temps will balance out.

ya probably wouldn't matter which rad went to which I guess. Was thinking that the 2-290x is allot of heat, more than cpu idea.
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