The AvalonMiner Controller is a Raspberry Pi B+ and includes four USB ports. Each USB port may connect to one AUC3 (not included, but included with AvalonMiner 721, 741) which may be connected to (20) AvalonMiner 721
This product contains: 1 X AvalonMiner Controller (RPi B+), 1 X SD Card, 1 X Micro USB Cable, 1 X Case.
The AvalonMiner Controller we send to you will come along with an SD card with the latest firmware. You can start mining right after plugging in an ethernet cable and adjusting your network settings.
Because of the large memory capacity of a AvalonMiner Controller, your mining setup will operate reliably. By default there is a “No-WIFI mode” preset, which is the default requirement for large-scale mining deployments. 20 miners maximum is recommended for each RPi