FPGA Mezzanine Cards (FMC) with support for high speed optical and SFP interfaces.
Optical FMC (high-speed FPGA Mezzanine Card) with - SAMTEC FireFly™
Rugged Optical FMC (high-speed FPGA Mezzanine Card) with - RADIALL D-Lightsys®
FMC card SFP SFP+