What is the HP 5900AF-48XG-4QSFP?
The HP 5900AF-48XG-4QSFP is a QSFP optical transceiver module, listed by the manufacturer as "HP 5900 SERIES 5900AF-48XG-4QSFP+ 48-PORT SWITCH MODULE with dual AC and fans". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.