Cisco Nexus 2348UPQ 10GE Fabric Extender - Expansion module - Gigabit Ethernet / 10 Gigabit SFP+ / SFP (mini-GBIC) x 48 + 40 Gigabit QSFP+ x 6 - refurbished - with (4 x Cisco QSFP-40G-SR-BD) or (2 x Cisco FET-40G and 8 x Cisco FET-10G)