How many watts does the MSI Radeon HD 7870 GHz Edition 2GB gpu need?

DarkDubzs

Honorable
Jun 10, 2013
635
1
10,990
So im going to add a gpu to my rig, but i only have a Corsair CX430M psu and i cant upgrade my psu right now. I want to know if i add an MSI Radeon HD 7870 GHz Edition 2GB graphics card, will it work with the psu i have?

SPECS
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NZXT Source 210 case
AMD A10 6800k apu
MSI FM2-A75MA-E35 motherboard
8gb G. Skills Ripjaws X 1866mhz RAM
1TB 7200rpm HDD
LG 24x optical drive
Corsair CX430M psu
Windows 8 64-bit OS
 
do not use a APU if you are going to use a 7870. the whole point of getting a APU is to use the onboard graphics

swap out the CPU for a fx6300 and the board to something like a 970-d3h or a 970 extreme4. swap the ram to 1600mhz stuff and upgrade the psu to a xfx 550w and you are fine