The Cisco Catalyst 3850 Series Switches support five optional network modules for uplink ports. The default switch configuration does not include the network module.

WS-C3850-12XS-S

Stackable 12 SFP+ Ethernet ports, with 350WAC power supply

1 RU, IP Base feature set

Device Type	Switch - 12 ports - L3 - Managed - stackable
Enclosure Type	Desktop, rack-mountable 1U
Subtype	10 Gigabit Ethernet
Ports	12 x 1 Gigabit / 10 Gigabit SFP+
Performance	Switching capacity : 320 Gbps Stacking bandwidth : 480 Gbps
Capacity	IPv4 routes : 24000 NetFlow entries : 24000 Virtual interfaces (VLANs) : 4000 Switched virtual interfaces (SVIs) : 1000
MAC Address Table Size	32000 entries
Jumbo Frame Support	9198 bytes
Routing Protocol	IS-IS, RIP-1, RIP-2, IGMPv2, IGMP, IGMPv3, policy-based routing (PBR), RIPng, MLDv2, MLD
Remote Management Protocol	SNMP 1, RMON 1, RMON 2, Telnet, SNMP 3, SNMP 2c, TFTP, SSH, CLI
Features	DHCP support, ARP support, Syslog support, PIM snooping, Multiple Spanning Tree Protocol (MSTP) support, DHCP snooping, Dynamic Trunking Protocol (DTP) support, Port Aggregation Protocol (PAgP) support, Trivial File Transfer Protocol (TFTP) support, Access Control List (ACL) support, Quality of Service (QoS), SSH support, Virtual Route Forwarding-Lite (VRF-Lite), Uni-Directional Link Detection (UDLD), Rapid Per-VLAN Spanning Tree Plus (PVRST+), Shaped Round Robin (SRR), Link Aggregation Control Protocol (LACP), Remote Switch Port Analyzer (RSPAN), Energy Efficient Ethernet, Virtual Routing and Forwarding (VRF), Cisco StackWise-480 technology, Cisco StackPower technology, Flexible NetFlow (FNF), 802.1x authentication, radio resource management (RRM), ARP inspection, Weighted Tail Drop (WTD), VLAN Trunking Protocol (VTP), Bridge protocol data unit (BPDU), Control plane protection (CoPP)
Compliant Standards	IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1p, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x, IEEE 802.1s
Power	AC 120/230 V ( 50 - 60 Hz )
Power Redundancy	Optional
Dimensions (WxDxH)	44.5 cm x 45 cm x 4.45 cm
Weight	5.8 kg