No. Triple-Speed Ethernet Intel® FPGA IP does not support option "GXB" for the Intel® Stratix® 10 L-Tile/H-Tile device. And there is no schedule to support option "GXB" as "Transceiver type" in future release of the Intel® Quartus® Prime Pro Edition software.
Device Family: Intel® Stratix® 10
Intel Software: Quartus Prime Pro
Version Found: v17.1
Bug ID: 1508310487
IP: Triple-Speed Ethernet