This product is either discontinued or we cannot get that from suppliers.
Cisco C4500E-7R-S8E-UPOE, Clock Speed 2.2 GHZ, SDRAM, Installed Size 4 GB, SD Memory Card, Plug-in module, Wired, Interface 8 x 10Gb Ethernet - SFP+, 1 x USB - Type A, 1 x management - RJ-45, 1 x 1000Base-T (management) - RJ-45, MTBF 309,906 Hours.
The Cisco Catalyst 4500E Supervisor Engine 8-E is the enterprise-class switching engine that provides full convergence between wired and wireless networks on a single platform.