Gigabyte 780GTX OC SLI

phonosys

Honorable
Sep 28, 2013
1
0
10,510
Hi All!
i want to go SLI but i'm not sure my PSU is able to handle it.

heres my full spec:

I7 4770K
Gigabyte Z87X-OC
2 x 4GB Corsair 16GB 1600MHz
1 x Gigabyte 780 GTX OC
Seasonic P660 Platinum
with like 4 x HD's and 1 SSD
can i add another 780gtx without upgrading the PSU ? ;/