Given that the 7800 series fabric chassis run EOS, refer to the Arista Transceiver Compatibility and Interoperability Guide and Arista Optics Modules and Cables Data Sheet for optical transceivers and cables supported with Arista 7800 series chassis.

• Arista Transceiver Compatibility and Interoperability Guide
  • Transceiver Compatibility and Interoperability Guide
• Arista Optics Modules and Cables Data Sheet
  • Optics Modules and cables Data Sheet