WS-C4948E-F= - Cisco Catalyst 4948E 48-Ports Manageable 48 x RJ-45 4 x Expansion Slots 10/100/1000Base-T Ethernet Switch

WS-C4948E-F-E-RF - Cisco Catalyst 4948E-F 48-Ports RJ-45 10/100/1000Base-T Gigabit Ethernet Layer3 Rack-mountable Manageable Switch with 4x Gigabit Ethernet SFP+ Ports

WS-C4948E-F-AC - Cisco Catalyst 4948e-f 48-Ports 10/100/1000Base-T RJ-45 Manageable Layer3 Rack-mountable Ehternet Switch with 4x SFP and SFP+ Ports

WS-C4948E-F-S - Cisco Catalyst 4948E-F 48-Ports 10/100/1000Base-T RJ-45 Manageable Layer3 Rack-mountable Ehternet Switch with 4x SFP and SFP+ Ports

WS-C4948E-E - Cisco Catalyst 4948E 48-Ports 10/100/1000+ 4 SFP+ Switch

WS-C4948E-E-RF - Cisco Catalyst 4948E 48-Ports 10/100/1000Base-T RJ-45 Manageable Layer3 Rack-mountable Ehternet Switch with 4x SFP and SFP+ Ports

JE018A - Hp E4210-48 Ethernet Switch 48-Ports Manageable 48 x RJ-45 Stack Port 6 x Expansion Slots 10/100/1000Base-T