Is my PSU good enough for Crossfire r9 280x?

iPeak

Commendable
Dec 11, 2016
4
0
1,510
Specs:
i5 3570k stock
16gb corsair vengeance ram
asus p8b ws motherboard
r9 280x vapor x from sapphire
Cooler Master 750w PSU

i wanna have another r9 280x but i have no idea if my PSU could handle it.