Netgear 12-Port 10-Gigabit/Multi-Gigabit Ethernet Smart Managed Plus Switch (XS512EM) - 12 x 10 Gigabit Ethernet Network, 2 x 10 Gigabit Ethernet Expansion Slot - Manageable - Twisted Pair, Optical Fiber - Modular - 3 Layer Supported - Desktop, Rack-mountable - Lifetime Limited Warranty: