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WS-X4904-10GE,4 port wire speed 10GE card

4-port wire-speed 10 Gigabit Ethernet (X2) half card - Expansion module - 10 GigE - 10GBase-X - 4 ports - for Catalyst 4900M

N2K-C2348UPQ Nexus 2000. 10GE UP FEX; 48x1/10GE SFP+ ; 6x40G QSFP

Simplify your data center access architecture and operations with the Cisco Nexus 2300 platform fabric extenders (FEX), the successor to the industry-*-s widely adopted Cisco Nexus 2000 Series Fabric Extenders. The Cisco Nexus 2300 platform, with its Cisco fabric extender architecture, provides a highly scalable unified server-access platform across a range of connectivity options such as Gigabit Ethernet, 10 Gigabit Ethernet, 40 Gigabit Ethernet, unified fabric, copper, and fiber connectivity, and rack and blade server environments. The platform offers excellent support for migrating from traditional Gigabit Ethernet to 10/40 Gigabit Ethernet and virtual machine-aware unified fabric technologies.

WS-X4013+10GE Cat4500 Sup II+10GE, 2x10GE (X2) and 4x1GE (SFP)

The Cisco Catalyst 4500 Series Supervisor Engine II-Plus 10GE is a 10 GbE high performance Layer 2+ supervisor with advanced security, high availability and investment protection, allowing GbE deployments today and 10 GbE when required, at a compelling price point.The Cisco Catalyst 4500 Series Supervisor Engine II-Plus 10GE is ideal for enterprises and medium-sized businesses that require secure, high-performance connectivity with maximum uptime in the LAN access layer. It is also well suited for DSLAM aggregation in Metro Ethernet environments. This high-performance Layer 2+ supervisor engine delivers advanced security, high availability, and investment protection at a compelling price point.