Cisco Catalyst 3850 Series 48-port managed stackable switch with 12 multi-gigabit (100M/1G/2.5G/5G/10G) and 36 Gigabit UPoE ports. This part number appears to include a 9x5x4 hardware maintenance contract code suffix.
48 x 10/100/1000 Mbps Ethernet ports with 12 ports supporting 100 Mbps/1/2.5/5/10 Gbps
Universal Power over Ethernet (UPoE) with 60W per port
Available PoE Power: 630W
Switching Capacity: 472 Gbps
Forwarding Rate: 460 Mpps (million packets per second)
MAC Address Table: 32,000 entries
Power Supply: 1100W AC
Dimensions: 1.75 x 17.5 x 19.2 inches (1RU rack-mountable)
Software License: IP Services
StackWise-480 technology for stacking up to nine switches
