Burning out your fan controller is alwsys a risk. I have done that before. But i have two san aces and a delta on a pci slot fan controller. No problems except the controller puts out max 20v do your fans font run full speed anyhow. But those magmas arent great for a rad. These low db fans never live up to the hype. For curiosity sake i tried to run my rad with only one bottom magma fan and it was able to make the top rad fan spin on its own unplugged. So theyre not all bad but not great. Anyhow without any fans my prime temps jumped to nearly 60 degrees stock and when i turned on the fans they came down like only 8 degrees. Point being expected more performance.

Anyhow you can get San Aces from Performance-pcs.com.