i have had this overclocking for a while now and its really stable i had to add the 43mhz to my overclock to get my ram to run at 1864 but i come to see what you all think here is my pc spec CPU: AMD FX4300 overclocked to 4.543ghz CPU Cooler: Enermax ETS-T40-TA CPU Cooler w/ 2x 120mm fans Motherboard: ASRock 990FX Extreme3 Memory: G.SKILL Ripjaws X Series 4x2gb 1864mhz HDD #1: Samsung SSD 840 Series 120gb (OS) HDD #2: Western Digital Caviar Black 1TB GPU: Sapphire Radeon R9 280X 3gb OC Edition PSU: 1000W Optical Drive: Asus BW-12B1ST Case:Cooler Master 430 Black Elite