Cisco Catalyst Blade Switch 3130G for the Dell PowerEdge M1000e
Supports up to 8 Gigabit Ethernet uplink ports: 4 10/100/1000BASE-T ports and 4 SFP Gigabit Ethernet ports (using Cisco TwinGig Converter Modules in the X2 slots)
Provides 2 VBS ports for virtualizing up to 8 switches across multiple chassis with the same rack