FPR3K-XNM-8X10G - Cisco 8-port 1/10-Gb SFP+ Network Module - For Data Networking, Optical Network - 8 x 10GBase-X Expansion Slot - Optical Fiber10 Gigabit Ethernet - 10GBase-X - 8 x Expansion Slots - FPR3K-XNM-8X10G | US IT Hardware