Watercooling X79 + GTX680 SLI + Mosfet.

This is just a plan, I don't even know if I really want to go for full custom yet because it is a lot of investment just for cooling. I'm sure I have many questions and some may wonder why this way. I'm still new to custom watercool area.

Screenshot of my list is here:

Things I might know or not: (notes)

1. 360 Rad won't be enough for 1 CPU, 2 GPUs and Mosfet?

2. I need the Mosfet VRM cooling because on X79 they hit over 80'C if I overclock my CPU.

3. Fitting size 1/2 is best for flowrate?

4. Will the D5 pump sufficient for this setup?

5. That is way too expensive?

Current setup in summer:

CPU hits 75'C max

GPUs both hits 86'C max

VRM hits 80'C if not cool by a fan, right now it has a an over it to chill it down to 65'C effectively.

For sure Winter time I don't even need to mind about it because my house would be more freezing ambient.

So you're saying 240 rad for CPU and motherboard Mosfet and 360 rad for GPUs?

I'm not sure if I have room to fit.

Maybe 240rad goes on top of my chassis and 360 rad will be sitting vertically between the board and the HDD brackets.

360+240 together in one loop I heard with the similar setup. CPU and GPU load at ~40-50'C.

There are things which is a bit confusing to me. I see G1/4 threading, so I assume this is for the compression fitting thread to match? Barb is cheaper and easier to work with?

Back to the screen shot where it said Fitting size 1/2 x 3/4. ( I assume the 3/4 is the threading? )

I might end up going this way.

1x 360MM Rad goes on top.

1x 200MM Rad (equiv. 360MM Rad?) goes in the front 200mm fan.

Is 1L of coolant is more than enough?