1. Type of PSU: PC-PSU Raidmax RX630Z ATX power supply, 630W 2. Specified overall PSU power: 630 watts 3. Specified current on the 12V rail: 22.0 ampéres 4. Approximate current of the heated bed: 12 ampéres 5. Firmware in use (Sprinter, Teacup, ...): Marlin 6. Does the heated bed use PWM (yes / no / unknown): yes 7. Does it work / what fails? I wasn't able to get past 80C with my olby 3DSanDiego - Controllers