hello everyone im about to change my old cpu and motherboard with Intel Core i7 4770 (1150/3.4GHz/8MB) and MSI H87-G43 Gaming my gpu is 660TI and will stay as it is for now. my question is if my power supply will be fine or i will have to change it im using thermaltake Litepower 700W http://www.thermaltake.com/products-...?id=C_00001877
also if its easy i would like to explain me in a few words what i should check in order to see if the power suply is ok for a pc build