The Cisco C9300-48UN-E is a 48-port Multigigabit switch from the Catalyst 9300 series, featuring 48x 5 Gigabit Ethernet UPoE RJ-45 ports, modular uplink slots for flexible network expansion, and StackWise-480 technology for high-bandwidth stacking. It provides up to 645W of PoE power, supports Cisco IOS XE for network programmability and includes SD-Access integration and Plug and Play (PnP) capabilities.

Key Specifications

• Port Configuration: 48 x 5 Gigabit Ethernet Multigigabit ports with UPoE.
• Uplink: Modular uplink slots supporting various speeds (1G, 10G, 25G, 40G, 100G).
• Switching Capacity: Up to 640 Gbps, or 1120 Gbps with stacking.
• Forwarding Rate: Up to 476.19 Mpps (millions of packets per second), or 833.33 Mpps with stacking.
• PoE Budget: 645W with the default PSU, expandable to 1745W with optional additional PSUs.
• Memory: 16 GB Flash memory, 8 GB RAM.
• Stacking: Supports StackWise-480 technology for high-bandwidth stacking.
• Power: Includes a 1100W AC power supply and supports StackPower for power resiliency.
• Management: Supports Cisco IOS XE, CLI, SNMP, Web UI, Cisco DNA Center, NETCONF/RESTCONF APIs.
• Security: Features MACsec-256 encryption, TrustSec, and 802.1X authentication.
• Dimensions: 1.73 x 17.5 x 17.5 inches (4.4 x 44.5 x 44.5 cm).
• Weight: Approximately 16.3 lbs (7.4 kg).