EX4600 8 port SFP+/SFP expansion module
Part Number: EX4600-EM-8F
The EX4600 switch has two bays on the port panel in which you can optionally install one or two expansion modules.
The EX4600-EM-8F, provides 8 additional 10-Gigabit Ethernet SFP+ ports or 8 additional 1-Gigabit SFP ports to one of the bays in the EX4600 switch.