Cisco Catalyst C9300-48U-A 48-Port UPOE Network Advantage Switch

The Cisco Catalyst C9300-48U-A is a next-generation enterprise-class 48-port UPOE (Universal Power over Ethernet) Layer 3 managed switch designed for high-performance campus networks, enterprise access layers, Wi-Fi 6/6E deployments, and IoT-driven infrastructures.

As part of the Cisco Catalyst 9300 Series, this model delivers industry-leading scalability, security, and power efficiency, making it a trusted choice for enterprise digital transformation and modern network architecture.

• 48 × 10/100/1000 Mbps UPOE Gigabit Ethernet ports
• Up to 60W per port (UPOE support)
• Total PoE power budget up to 822W
• Cisco StackWise-480 technology (up to 480 Gbps stacking bandwidth)
• Cisco StackPower for power redundancy and load sharing
• Layer 3 routing capabilities (Network Advantage license)
• Advanced enterprise security (MACsec, TrustSec, Secure Boot)
• Optimized for SD-Access architecture
• Designed for Wi-Fi 6 / Wi-Fi 6E access point deployments
• High scalability and cloud-ready enterprise integration

• Model: C9300-48U-A
• Ports: 48 × Gigabit Ethernet UPOE
• Switching Capacity: 256 Gbps
• Stacking Bandwidth: 480 Gbps
• PoE Standard: IEEE 802.3at / Cisco UPOE (up to 60W per port)
• Total PoE Budget: 822W
• Power Supply: 1100W AC (typical configuration)
• DRAM: 8 GB
• Flash Memory: 16 GB
• MAC Address Table: 32,000 entries
• IPv4 Routes: 32,000
• IPv6 Routes: 16,000
• VLAN Support: Up to 4,000 VLANs
• Form Factor: 1RU rack-mountable

The Cisco C9300-48U-A is widely deployed in:

• Enterprise campus networks
• Wi-Fi 6 / Wi-Fi 6E wireless infrastructure
• IP surveillance systems (high-power PoE cameras)
• VoIP and unified communication systems
• Smart buildings and intelligent office environments
• Industrial IoT and edge computing networks
• Large-scale enterprise access layer switching