Very interesting.
Does your PSU have pcie power cables? If so, which kinds and how many of them. (6pin, 6+2, 8pin)
Do you have an UPS (battery) in case the power goes out?
I have 2 4-pin molex power cables that i can attach the PCI-E attachments to. No UPS, but ive lived here for around 6 months and i dont think this computer has been off since the day i moved in.