OCZ ModXStream Pro 700W Modular High Performance Power Supply compatible with Intel Sandybridge Core i3 i5 i7 and AMD Phenom
RAIDMAX Blackstone series RX-700AC 700W Continuous Power ATX12V V2.3 / EPS12V V2.91 80 PLUS BRONZE Certified Modular Active PFC Power Supply
Antec Earthwatts 650w
Never buy a power supply with max in the name.
Raidmax power supplys are crap.
You might get lucky and get 500watt out of it. Before it blows and takes your system out with it.
So between the two choices ,go for the OCZ modstream.
Do you have any other options available?