Fanuc A20B-8100-0130 3/4 Axes Servo Card w/ A20B-3300-0120 Modules. For sale is a Fanuc 3/4 Axes Servo Card assembly. This is a used item, pulled from equipment. Its operational condition is unknown and it is being sold as-is, for parts or repair. The board assembly includes the main board and three attached modules as pictured. Visible part numbers: Main Board: A20B-8100-0130 Module: A20B-3300-0120 /02A Module: A20B-3300-0150 /07B Module: A20B-3300-0170 /09E Please review all photos carefully to assess the cosmetic condition. Note the residue on one large chip and the discoloration on the back of the board.