700WATT PSU enough for 7870XT CrossFire

[Artvfx]

Hello is a 700WATT powersupply enough for : 2 Club3D 7870XT Tahiti LE in CrossFire.

Here are my PC specs including fans :
Proccesor : i7 3770 Overclocked 4.1Ghz
CPU fan : CoolerMaster Hyper 412S
MoBo : MSI Z77A-G45 Military Class III
RAM : 16GB 2x8 Corsair Vengeance 1600Mhz
HDD : 1,5TB SATA
GPU : 7870XT LE
PSU : 700WATT
Case fans : 4 AeroCool Shark fans 2WATT.

Thanks.

 

[ACTechy]

You should be more than fine with that wattage. Are you overclocking? Which PSU are you looking at?