By way of example, CORSAIR AXi Series AX1500i Digital 1500W 80 PLUS TITANIUM Haswell Ready Full Modular ATX12V & EPS12V SLI and Crossfire Ready Power Supply with C-Link Monitoring and Control - Newegg.com 5
This PSU is rated 1500W, but if the incoming power supply is 100-115V, it will only provide 1300W.