EN40704 X-Power 500W (X-Calibre 500, 230V, 80PLUS) Brand Xigmatek Connector Type ATX Output Wattage 500 Form Factor ATX Wattage 500 watts โข Compliant with newest Intel ATX 12V V 2.3 standard. โข Dual CPU 4+4 Pin Connector โข Attractive matte black finish with Xigmatek black bladed fan. โข 230V input with greater than 80% efficiency under typical loads. โข Single rail +12v outputs for high power utilization applications.