Bel Power Solutions PTU2000-12-074NA Rackmount Power Supplies POWER SUPPLY;AC-DC;IN 90to264V;OUT 12/12V;167/3A;2kW;RACK MOUNT;140x73.5x80mm;40W/in;FAN COOLING 23'000 RPM;WITH C21 INPUT CONNECTOR,AIRFLOW OUTPUT TO INPUT (REVERSE)