This product is either discontinued or we cannot get that from suppliers.
Cisco Catalyst WS-C3850-24U-S, Network Ports-24, Port 24 x Gigabit Ethernet Network, Twisted Pair, Gigabit Ethernet, Network 10/100/1000Base-T, Rack-mountable, DRAM, MTBF 237310 Hour, Flash Memory 2 GB, Input 110 V AC, 220 V AC, Standard Memory 4 GB.
The Cisco Catalyst 3850 Series is the next generation of enterprise-class stackable access-layer switches that provide full convergence between wired and wireless on a single platform.