Antminer S9 T9+ Control Board Replacement Chip Brand new original single port Gigabit PHY 3E transceiver chip B50612EB1KMLG for control board network chip repair and replacement of Antminer S9 T9+. Packaged in a 48-pin QFN package, the die is rated at -40°C to 105°C, and can also be used in automotive, industrial, and enterprise system applications.