Originally Posted by 4thKor
Got Collatz running on the X8DAL with one 7990. Not sure if a 600w PSU will run two X5790's CPU's and a 7990 on the X8DTH though.
Originally Posted by k4m1k4z3
I would imagine you are already burning at least 500W if you have the card and both CPUs running at load... So it depends how good your 600W PSU is and how far on the edge you like to live
You are aware that a fully laden 7990 (98%+) burns 490-500 watts....... (all by itself) I've run a pair on 1k for years and I've heard of people doing it with a 750.....
but on a DP with a 600 watt?
That is the razor edge of efficiency...... (if you can do it)