PSU for two R9 270 (non X) OC'd to +80Core?

Iluvatar21

Honorable
Dec 21, 2013
55
0
10,630
Will my chosen PSU work well with two 270s (non X) OC to 1000MHz?

Specs:
AMD FX 8320 OC'd to 4.3Ghz
Gigabyte 970A-UD3P
2x4GB 1600 DDR3
Corsair CXM 750W 80+ Bronze
3 fans
1 ssd, 1 hdd, 1 dvd-rw
a Corsair Hydro H55 CPU water cooling