What is the Dell N3224F-ON?
The Dell N3224F-ON is a QSFP optical transceiver module, listed by the manufacturer as "1U, 24 ports 1G SFP ports, four ports 10G SFP+, two 100G QSFP28 ports for stacking, two pluggable AC or (optional) DC PSUs, and three pluggable fan modules". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.