StrongU STU-U6 X11. An ASIC-miner that can produce at 660 GH/s hash rate with about 1300 Watt power consumption. Note, this is a pre-order; by ordering now, you are assured of delivery of this miner during end november 2019.
The Innosilicon A8+ CryptoMaster is currently the fastest CryptoNight coin miner available. There are different cryptocurrency coins that you can mine with this Innosilicon A8+ CryptoMaster. The Innosilicon A8+ CryptoMaster has a speed of 248KH/s.