Just thought I'd share this here. Bought a Superflower 1300 3.5 years ago. Oddly yesterday my machine started rebooting. It gradually got worse until the machine would just turn on and off and on and off and never reach bios. Left it a while and it would reach windows, the reboot... I put the old graphics card back in, I recently bought one, and it was still doing it. Tried my 9 year old bequite 750w and machine was fine. Then put the SF back in and it would start rebooting again. It would take perhaps 10mins...then reboot and time between reboots would decrease until it wouldn't post. Bought a new one and rma'd the SF (all in store). Machine works fine with the new seasonic ultra. I've never had a PSU fail on me, just glad it didn't take anything out with it. Superflower are fantastic I know, but dissappointing all the same.