Avaya 4950GTS-PWR+ 48-Port Gig PoE Switch 2 X SFP+ 1 X PSU AL4900A04-E6

Dell PowerConnect 2848 With Ear Brackets 48 Port Gigabit Managed Switch

DELL POWERCONNECT 6248 Ethernet Switch

Netgear ProSafe 48 Port Gigabit Stackable Smart Switch GS748TS L2 SFP

Netgear FS728TP ProSafe 26 + 2 Smart Switch with PoE - With Rackmount Ears V2

Dell N2048P 2048P Switch 48 Ports Gigabit Ethernet

Netgear ProSafe GSM7324 V1H3 24 Port Managed Stackable Gigabit Switch & 4x SFP

Edge-Core ECS4610-50T Stackable Switch