Corsair Memory Cx Series Compatible With   Core I7 and Core I5 ATX 600 Energy Star Certified Power Supply CMPSU-600CX Best-in-class mainstream solution for value-conscious system builders and upgraders. An ultra-quiet 120mm fan delivers excellent airflow at an exceptionally low noise level by varying fan speed in response to temperature. Over-voltage and over-power protection, under-voltage protection, and short circuit protection provide maximum safety to your critical system components A dedicated single +12V rail offers maximum compatibility with the latest components. Extra long fully-sleeved cables support full tower chassis. 0.99 Active Power Factor Correction provides clean and reliable power. Universal AC input from 90~264V. No more hassle of flipping that tiny red switch to select the voltage input! It supports the latest ATX12V v2.3 standard and is backward compatible with ATX12V 2.2 and ATX12V 2.01 systems