i'm getting a second gtx 770 for sli do i need get new psu my psu is RM Series™ RM750w
so GTX 770 2GB can it handle 1920x1080 at max settings for games like crysis 3,battlefield 4,witcher 3,wolfenstein the new order,arma 3,titanfall. between 100 to 144 fps or do i need to get sli
my rig
1 INTEL CORE I7 -4770K
2 GIGABYTE GTX 770 2GB DDR5 OVERCLOKED EXTREME
3 RM Series™ RM750 — 750 Watt 80 PLUS® Gold Certified Fully Modular PSU
4 CORSAIR HYDRO SERIES H100I HIGH PERFOMANCE LIQUID CPU COOLER
5 GIGABYTE GA-Z87X UD4H SOCKET 1150 PROCESSOR 4TH GENERATION MOTHERBOARD
8 WINDOWS 8.1 PRO
9 G.SKILL Ripjaws X Series 16GB (2 x 8GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL10D-16GBXL
10 CASE(Cooler Master Storm Trooper Case )
12 WESTERN DIGITAL 1 TB SATA 7200RPM 64MB CACHE INTERNAL DESKTOP HARDDRIVE BLACK WD1003FZEX
so GTX 770 2GB can it handle 1920x1080 at max settings for games like crysis 3,battlefield 4,witcher 3,wolfenstein the new order,arma 3,titanfall. between 100 to 144 fps or do i need to get sli
my rig
1 INTEL CORE I7 -4770K
2 GIGABYTE GTX 770 2GB DDR5 OVERCLOKED EXTREME
3 RM Series™ RM750 — 750 Watt 80 PLUS® Gold Certified Fully Modular PSU
4 CORSAIR HYDRO SERIES H100I HIGH PERFOMANCE LIQUID CPU COOLER
5 GIGABYTE GA-Z87X UD4H SOCKET 1150 PROCESSOR 4TH GENERATION MOTHERBOARD
8 WINDOWS 8.1 PRO
9 G.SKILL Ripjaws X Series 16GB (2 x 8GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL10D-16GBXL
10 CASE(Cooler Master Storm Trooper Case )
12 WESTERN DIGITAL 1 TB SATA 7200RPM 64MB CACHE INTERNAL DESKTOP HARDDRIVE BLACK WD1003FZEX