Hi guys I have the NZXT Lexa Blackline case which im using for my next computer build.. I have however encountered a possible problem. I was told that you cannot use a high wattage PSU with the cases as it blows the HDD LED. Now using the PSU Calculator at a particular website, It says that I will require a minimum 633 Watt PSU to run the stuff I want to load the tower with.. On the box of the Case it says Power supply 500watt 400watt or not included.

What wattage power supply do you think ill get away with? does anyone know of or has heard of this problem?

Heres a list of stuff im planning on loading the tower with:

Mobo: Biostar Tpower X58
CPU: Intel Quad Core i7 975 3.33Ghz Extreme Edition Socket LGA1366
Memory: 12GB (6 Sticks) Corsair Dominator GT DDR3 2000Mhz (With Airflow Fan)
Video Card: 2x ATI Radeon 4870 2048MB DDR5 running crossfire
HDD: 2x 1.5TB Barracuda drives
Optical Drives: A Blu Ray BD-RE/DVD/CD and a regular DVD-RW/DVD+RW Drive
Sound: Sound Blaster titanium with front bay

May have 1 or 2 additional cards such as RAID or Firewire maybe a Wireless card

Other Devices:
Front bay: Card Reader/LCD Display/Fan Controller
2 Cold Cathodes for inside
3x 120mm LED Fans and 2x 80mm LED Fans

and I think thats about it

Thanks
Mike

Excellent thanks for the links and info I'll def take a look