Lenovo Brocade 88Y6393-RFB is a refurbished SFP optical transceiver for Fibre Channel links in storage area networks. It provides a way to connect compatible network equipment over optical fibre.
The listing identifies a 16 Gbps data rate and describes the module as hot-swappable, allowing replacement while supported equipment remains in operation. Lenovo documentation identifies the corresponding base part, 88Y6393, as a Brocade 16 Gb SFP+ optical transceiver. Its short-wave Fibre Channel specification uses 850 nm multimode fibre and an LC connector.