This post claims the H81 is the most used: https://steemit.com/ethereum/@cryptomined/best-and-most-used-socket-1150-motherboards-with-6-or-more-pcie-slots-for-gpu-mining-ethereum-monero

I'd assume it'd work. I hope so, I just got the same series off Newegg ... except the 12 PCI version
https://www.newegg.com/Product/Product.aspx?Item=N82E16813157781

My understanding is the graphics card and electricity price are what matter. In terms of CPUs, it seems to me lower power consumption is superior to torque. He states in the article that you don't even need much memory. I think it's all graphics, graphics, graphics.

I'm going to drop the cash on a nice PSU. I mine BTC and I've read mining blog posts about people ruining their boards with a bad connector. These will be in house, so I'll use an EVGA Titanium.