Hey gang. I'm new here.

Quick background: My company has been in the financial tech space for 10y and currently processes about 500M transactions annually in the Gift/Loyalty space. We have an interest in linking crypto currencies, and that's what brings me here.

I have a friend with a company that has a 500 TH/s operation using the Antminer S5. We're looking at building something similar in the coming weeks, but after I started researching, I came across the Spondoolies-Tech SP20.

Looks like bang-for-buck has the SP20 in the lead, but I didn't know what else I should be looking at. I've tried searching here, but it's currently disabled.

Can anyone point me in a good direction?

I've ordered 5 S5s and 5 SP20s to compare the two.

Pros/Cons?

Thanks for the help. It's appreciated.