My PSU is a HiPer Type R 480W.
The specs can be found here:
http://www.hipergroup.com/English/pr...hpu-4s480.html
Does that help at all?
I've seen some reviews of other Hiper PSU's and there's been issues over the voltage regulation. Additionally, although I believe this may be a fault with the AX8 motherboard, I have problems with the BIOS settings being retained when using Windows' hibernate or standby functions (although the hang during reboot is new).
David.