Hi nashdes001, thank you for ur response. I need to upgrade my Graphics Card(NVIDIA GEFORCE 650 ti Boost) to rig, this graphic card requires 600w smps. So that i am asking about my PSU. Can please suugest me..
Here it is my rig configuration
Processor: AMD Phenom II X6 1100T Black Edition,
Mother Board: GIGABYTE GA-880GM-USB3 AM3
RAM : 12GB DDR3
HDD : 1TB
Regular mini cabinet
300w smps