Can i run 2 or 3 graphics cards ?

[skopusnik]

Hi. i have XFX Pro850W gold psu. i have only nvidia gtx 970 right now. can i add 1 or 2 nvidia 1070 for mining? will be psu enough or i have to buy new better one ? also i have gigabyte GA-H87-D3H motherboard and i7 4770, 16gb ram if all that is also important for that 850W psu. Tnx for answers. Regards

 

[drajitsh]

You will be able to run only 2 gfx cards at a time. Will you be able to make money from that?
Refer to this article
http://www.tomshardware.com/reviews/ethereum-mining-performance-geforce-radeon,5211.html

 

[skopusnik]

tnx for answer drajitsh, how about if i buy another power supply ? how many graphic cards can i add on this motherboard gigabyte GA-H87-D3H ?

specs: https://www.newegg.com/Product/Product.aspx?Item=N82E16813128603

 

[Wolfshadw]

Motherboard Specifications

According to this, your motherboard can only accommodate two graphic cards. If you install a graphics card in the second PCI-Ex16 slot (PCIEX4), your two PCI-Ex1 slots are disabled.

(Note: Technically, you probably could also install two PCI graphic cards (PCI not PCI-E), but they would not help with mining).

The 850 watt PSU should be enough for your two cards.

-Wolf sends