About the Product
Upgrade your Antminer S19J and S19J Pro with the Bitmain Combined Control Board (Beagle Bone BB version). This versatile control board includes both an IO board and a BB board, designed to optimize performance and ensure full compatibility with most S19J and S19J Pro units.

Enhanced Performance and Convenient Design
Equipped with an SD card slot on the back, this combined board offers easy access for TF card swiping, accessible by simply opening the top cover—ideal for miners lacking front SD or micro USB slots. It provides an efficient way to manage your mining operations.

Reliable Replacement and Repair Solution
Perfect for replacing faulty or malfunctioning control boards, this combined control board restores seamless operation and improves the reliability of your Antminer S19J and S19J Pro miners.

Technical Features