best hardware for 280x toxic rig

[kopam]

So i have 15 280x toxic on the way, they will come in 1 week so i have enough time to figure out what the best config for them is.
Any suggestions regarding that ? Motherboard, CPU, Ram, PSU ?

I was thinking about using :

Mobo : Gigabyte F2A88X-D3H
CPU : AMD A4-400
Ram : 4 gb
HDD : 64 SSD
2 x 750w Corsair Gold

this is if there are 4 cards on each PC.

However i have 2 Corsair platinum 1200i left, so what about i use 1 1200 + 1 750 and put 5 cards on each config ?
Right now i have a config with 4 cards but it is using 1200w of the wall, i guess i can under volt it more but its so stable right now im not sure i want to touch it at all Works 2 weeks no prob.

Anyway, any suggestions ?

[1714311911]

1714311911

[1714311911]

1714311911

[alphacenturion]

I just ordered an asrock h81 pro btc mobo which uses an intel chip. I'd check that out and also the Seasonic 1250w Gold psu. I did a ton of research before making the order.

I take it you aren't mining this setup from home because I'd imagine 19 208x's it would certainly exceed the wattage on your home circuit - or have you had an electrician setup several circuits you can use?

[kopam]

Yeah i am not mining at home I have a small farm in a place with enough electricity.
I was looking at the assrock 81 mobo i just wasn't sure if it was the best option. Do you have rigs with it ?
Well if i have 6 cards and i split them 3 x 3 on each PSU isnt it better ( cheaper ) to have 2 1000w gold PSU's ? They should be more then enough as right now i have 4 280x in a rig and the whole system is drawing 1200w off the wall, but its with 2 750 Bronze PSU's so i gues 1000 gold should be great for  3 cards.

[N[e]wBie]

new toxic cards have a bad bios, you probably wont be able to break 700 KH/s (I just bought new ones and I am dissapointed to see this). They can draw more than 300 watts potentially at stock volts with powered risers as well, keep that in mind. Two 1000w PSUs should be enough for 6 cards and the system unless you go nuts and its pretty efficient. I have not heard good things about the asrock h81 pro btc board. I would look at a gigabyte or asus board.