"Fractal" system

[R3z]

Hi there. Thanks god I've found this place.
Hey guys, I'm gonna build really silent system here, so I need your help.

So, I've chosen Fractal Define R3 Titanium as a the base. Cos it's cheap and available in my local markets.


The PSU: I've read some articles and reviews here and I thought that fanless Seasonic X-400 will be the best.


CPU - Intel Core i5-2500k or lower model cos I'm not an overclocker.
Heatsink - Thermalright HR-02 Macho.


Graphics - here is the big question. Personally I want maximum silence and ready to sacrifice some peformance.
I'm highly interested in fanless Radeon HD 7750 Ultimate .
Another candidate for GPU is GIGABYTE Radeon HD 6950, but this thing is really powerful and long. So what with acoustics?
vs

Another idea was to make crossfire with those 7750 fanless radeons, what do you think about it?

Question 1: Is this system will work without overheating? If I chose Radeon HD 7750 Ultimate, is the Fractal case can handle airflow enough to cool down all those fanless stuff?
Question 2: Is Seasonic X-400 will be enought for that set with GIGABYTE Radeon HD 6950?

Thanks!

[kuzzia]

I have some questions:

What will you use your system for? (which games, resolution, graphics quality etc)
If you don't intend to overclock then why would you buy a 2500k? It has an unlocked multiplier.

[R3z]

I have some questions:

What will you use your system for? (which games, resolution, graphics quality etc)
If you don't intend to overclock then why would you buy a 2500k? It has an unlocked multiplier.

Well, I don't play games that often, my display resolution is 1920x1080. Usually I use my PC as a media center and internet browsing.
I thought about i5-2500 or even 2405S.

My main question right now is graphics card. The idea of passive crossfire is really bothers me

[SoulWager]

powercolor makes a fanless 6850, I wouldn't use it entirely fanless, but it would be a good candidate for the old zip tie method.

[R3z]

Well I've finally decided to take Radeon HD 7750 Ultimate