Sounds like a bad PSU. Problem is you might need to return the whole case/PSU for a proper RMA/exchange, but it might not hurt to try your supplier and/or Antec and see if you could get just the PSU replaced. Worth a shot. If not... The PSU can be removed. The ATX connector will fit thru the slot. I...

I finally registered to specifically respond to this thread. I have this setup with ASUS P5Q-EM/e8400 and no cards installed. The PSU I use is the Silverstone ST50EF-SC (short cable) 500W. I started with 3 Suscool 81 fans using the thermal sensors to limit rpms to 800, but have since removed one and...