Cisco WS-X45-SUP8-E= network switch module

WS-X45-SUP8-E is the Cisco Catalyst 4500E Supervisor 8-E helps to enable the Cisco Unified Access solution on the world’s most widely deployed modular access switch—Cisco Catalyst 4500E. It brings the best of wired and wireless technologies together while preserving investment on existing wired infrastructure. It supports full wireless LAN controller functionality and common features across wired and wireless networks.

Notice that WS-X45-SUP8-E= is similar with WS-X45-SUP8-E, except that WS-X45-SUP8-E= is a spare one.