Without overclocking, the psu could handle your system with no trouble. It could handle it heavily oc'ed too to be honest. Download CPUID HWMonitor and tell me what the voltage outputs are. There is a 3.3, 5, and 12v output reading at the top. They should be as close to the numbers as possible. A little over and a little under is fine but anything like 2.9, 4.6, 11.6 etc would be an issue.