D'oh. I completely blanked on mentioning motherboard. It's an Intel Desktop Board d850GB.
...Okay, so I'm pretty dumb, and I found a PSU that would do the job. Mods--- please delete this topic. Sorry to trouble anyone!
...Okay, so I'm pretty dumb, and I found a PSU that would do the job. Mods--- please delete this topic. Sorry to trouble anyone!