KOI Miner recently released SHA-256 machines. They have four different C16 models available on their website, ranging from 86-112 TH/s, with efficiencies as low as 29.5 J/TH. Models are available on a limited basis.

iPollo advertise that a second iteration, the B1, will be coming soon. The B1 will have specs up to 100 TH/s and 29.5 J/TH, putting it on par with the Antminer S19 Pro and Whatsminer M30S++.