got 6 Gigabyte 1060 3gb mini's 
They do exactly 20 Mh/s ETH each. (overclocked mem) Those are shipped with Hynix, but it's okish. With samsung chips I think you can expect 22 Mh/s.
Each of my Gigabyte 3GB Minis gets 25MH/s. They do exactly 20 Mh/s ETH each. (overclocked mem) Those are shipped with Hynix, but it's okish. With samsung chips I think you can expect 22 Mh/s.