This is a reverse private auction Innosilicon A9 ZMaster Equihash Mining Rig for Zcash has already finished

Innosilicon A9 ZMaster Equihash mining rig delivers up to 140 KSol/s with a 1550 W draw, achieving about 11.07 J/KSol efficiency. It uses an air cooling system with four high-speed fans to maintain thermal performance, despite a 75 dB noise level, and is built in a compact 155 x 250 x 360 mm enclosure weighing 11 kg. This 12 V Ethernet miner operates from 5-45 C with 5-95% humidity; launched in May 2019 as a reliable solution for Equihash coins such as Zcash and Zencash.