AddOn Arista Networks SFP-10G-DZ-1550 Compatible TAA Compliant 10GBase-CWDM SFP+ Transceiver (SMF, 1550nm, 80km, LC, DOM) – 100% compatible and guaranteed to work SFP-10G-DZ-1550-AO

AddOn SFP56 Module – For Optical Network, Data Networking – 1 x LC 50GBase-LR Network – Optical Fiber – Single-mode – 50 Gigabit Ethernet, 25 Gigabit Ethernet, 10 Gigabit Ethernet – 50GBase-LR – TAA Compliant SFPM-50GBASE-LR-I-AO