Cisco N55-M8P8FP Expansion Module – For Data Networking, Optical Network – 16 x Expansion Slots – SFP+, SFP (mini-GBIC) N55-M8P8FP-RF

Cisco Catalyst 9300 2 x 25G Network Module – For Optical Network, Data NetworkingOptical Fiber25 Gigabit Ethernet – 2 x Expansion Slots – SFP – Plug-in Module C9300-NM-2Y-RF