Elegant black PSU casing with full black mesh cables ATX12V compliant with ATX12V High efficiency PSU, up to 78% efficiency Single 12V Rail for high compatibility and extreme high current output Longer 20 + 4 and 4 + 4 pins up to 550mm is easy for high-end tower chassis installation 12cm silent black fan with smart thermal fan speed control circuit Full protection functions with OVP / UVP / OPP / SCP / SIP /OCP Safety and EMC certified by CE ECO friendly by RoHS and Erp 2013 directives