Designed for the c-Class Blade System enclosure, the HP Gb E2c Layer 2/3 Ethernet Blade Switch (Gb E2c Layer 2/3) provides a full set of Layer 2 switching & Layer 3 routing features, sixteen internal downlinks, five uplinks & two internal cross-connects in a single low cost blade switch. Four of the five uplinks can be either copper or fiber using optional SFP fiber modules. The HP Gb E2c Layer 2/3 Switch dramatically reduces cabling, power & cooling requirements compared to external st&-alone switches, allowing you to realize the full benefits of the HP c-Class Blade System.