Best cooling solution for new build

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6 Apr 2019
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Hello to all,
this is my first post here, so allow me to introduce myself: I'm Peter, living in Austria an building my PCs for over 15 years now. For work and browsing I exclusively use my MacBook Pro. My PCs are built and used only for flightsimming (Prepar3d v4).

As time goes on, it's the season for a new build and this time I want to go with water-cooling, mostly because I've never done it before and really would get into this.
I've already put together the needed components and now am struggling with the "best" cooling solution:
- i7-9700k (will be OC'd to (hopefully) 5 GHz)
- ASUS ROG Strix Z-390-E
- 16 GB Corsair Vengeance LPX 3200 MHz
- bequiet Straight Power 750W PSU
- (Samsung 970 EVO Plus M.2 500GB)

I'll keep my GTX1080, my 2 SATA SSDs and my Fractal Design Define R5.

Prepar3d in its core is a more than 10 years old program and therefore heavily CPU-dependent, with the main load running on Core 0. So getting a successful overclock is my number one priority. There (at this point) is no real use in overclocking the GPU, so I won't water-cool it now.

I've looked a lot at different cooling solutions and have come down to buying one of the following (all EKWB kits):
S360 (with a slim rad)
or either the L240 R2.0 or the L360 R2.0 (with the PE rads)

Please remember, I just want to cool my CPU. Has anyone experience with fitting a 360 rad in the FRONT position of the Define R5? Do I need a 360 rad, or will a 240 be just fine? I know, the L-kits do probably have a better pump compared to the S-kits. But I doubt I really would need that for a single rad-waterblock loop!?
And last but not least: would a custom loop in any way outperform a decent CLC (in terms of temps/noise)?

Though money isn't really an issue, one could definitely save money with a CLC.
I kind of would like to build a custom loop (just for the sake of it), but at the end of the day, my main concern is to have the most "intelligent" cooling solution for my rig.

And if you would recommend going with a CLC, which one should I eventually get?

So thanks for reading and I'm looking forward to your comments!

Cheers, P
 
If only cooling the CPU, seriously consider an all-in-one (AIO). In a define R5 you can easily put a 360 rad in the roof so a 360mm AIO should work really well. I'd consider the "used" market for now. If in the future you want a full custom loop including the GPU then it's worth doing but for a single component, AIO are pretty good these days.
 
AIO's in my opinion, are better than traditional air coolers depending on size etc especially if you're wanting to overclock. They're not perfect though and will never be able to remove heat as efficiently as a well thought out custom loop. The cost of which is far more prohibitive though.
 
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