Digital Insanity




Avalon Miner 821 (A8)

The AvalonMiner 821 is the ROQ Solid Miner, Refined. The AvalonMiner 8xx is made with Reliable Open Quality, now with Airforming Cooling Technology.

Containing 104 x A3210 16 nm chips, AvalonMiner 821 is the latest Canaan AvalonMiner with a 11.0 Reliable Hashrate Per Second (RTHS).

By connecting our AvalonMiner Controller (sold separately) to a single AUC3 (AvalonMiner USB Convertor 3), you may connect five AvalonMiners. For maximum usage, you may connect the AvalonMiner Controller to 4 AUC3 devices which may each connect to 5 AvalonMiners for a total simultaneous management of twenty AvalonMiner 821 to reach 220 TH/s (RTHS).

If you manage a large installation of AvalonMiners, we can help you to deploy our openly developed AvalonMiner Management System which enables you to efficiently manage thousands of AvalonMiner machines.

Product contains: 1 X AvalonMiner 821, 1 X AvalonMiner USB Converter 3 (AUC3), 1 X AUC3 I2C 5PIN Cable, 1 X Micro-usb cable.


Hashrate11.0 TH/s (RTHS)
Power Consumption ≈ 1200W, +0% ~ +15% (with 93% PSU efficiency @ 25 C)
Power Efficiency0.109 Joules/GigaHash at the wall
Rated Voltage
Chips104 x A3210 16nm ASIC
FrequencySmart Speed
Hash Error Rate~2% on chip validation
PSU output pins NA
Network ConnectionThrough AUC3 + AUC3 I2c to AvalonMiner Controller
ControllerAvalonMiner Controller
AUC3Each AUC3 may daisy-chain connect up to 5 devices
Operating Temperature-5C-40C
Air-intake Temperature-5 °C to 40°C
CoolingAirform Cooling 1 rear fan 6000 RPM
Fan1 X 12038 PWN
Weight4.8 kg
Dimensions40 x 21 x 22 cm
DescriptionData Processing System
Hong Kong Harmonized Code84714100

Waiting for pre-orders to open. It’s under my expectations but these days it’s getting harder to find reliable miners.


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