Power limits ...

Every so often (mostly 1 maybe 2 times a week) when i go check on the rig we are talking about, one card will be down. Not always the same card. When i was still using afterburner it was connection lost to driver. I have to restart the driver with Nvidia inspector (I use this to OC now) or reboot to get it back. It's a real pain in the butt since when it does happen.. it almost ALWAYS happens right after i fall asleep! lol. So i miss 8 hours of mining on one card when it happens.

Pretty modest OC.. core +100 Mem +400 (Most cards have Hynix). I had the power at 80 but have been trying it and 86.. Seemed to last a few days longer but i just check and a card has been down for a few hours. Who knows!

Any ideas? OC, Bum risers, USB Cables? I cant be certain but i think it mostly happens when multipool miner switches algos.