thanks all of you for your kind reply
here is my complete specs:
processor- i5 2500k
mobo- intel dh67bl
psu- coolermaster thunder 500w
ram- 4gb
monitor- 32inc lcd tv 1080p
so, my question is that will it be safe to use molex connector with my psu?
which is good msi or zotac gtx 760? and can...