C9300-48UN-A Cisco Catalyst 9300 Series 48-Port Multigigabit UPOE Layer 3 Managed Switch | Network Advantage

BRAND NEW. FACTORY SEALED. RETAIL BOXED. FULL CISCO WARRANTY INCLUDED.
SUPPLIED BY CHICAGO COMPUTER SUPPLY

Overview

The C9300-48UN-A is a high-capacity Cisco Catalyst 9300 Series access switch engineered for enterprise networks that require multigigabit connectivity, advanced power delivery, and full Layer 3 intelligence. With 48 UPOE-enabled ports supporting speeds up to 10G, this switch is for Wi-Fi 6 access points, IoT infrastructure, and high-performance edge devices.

As a core component of Cisco’s Software-Defined Access architecture, the Catalyst 9300 platform combines high-density stacking, advanced routing scale, and modern programmability. Running Network Advantage, the C9300-48UN-A delivers policy-based control, deep visibility, and secure segmentation across campus and branch environments.

Key Features

• 48 multigigabit UPOE ports supporting 1G, 2.5G, 5G, and 10G speeds
• Network Advantage software with advanced Layer 3 routing and segmentation
• High-density stacking with up to 480 Gbps stacking bandwidth
• Enterprise-scale routing, VLAN, and flow monitoring capacity
• Energy-efficient design with 80 PLUS Platinum power efficiency

Technical Specifications

Manufacturer: Cisco
Product Line: Cisco Catalyst
Product Series: 9300
Model: C9300-48UN-A
Software Edition: Network Advantage
Product Type: Managed Layer 3 Switch
Form Factor: Rack-mountable

Ports & Interfaces

• 48 × 1/2.5/5/10GBase-T RJ-45 UPOE ports
• 1 × USB 2.0 interface

Performance & Capacity

• Switching capacity: 640 Gbps
• Forwarding rate: 190.48 Mpps
• Stacking bandwidth: 480 Gbps

Scale & Tables

• IPv4 routes: 32,000
• IPv6 routes: 16,000
• VLAN IDs: 4,000
• Switched Virtual Interfaces (SVIs): 2,000
• Flexible NetFlow entries: 64,000
• MAC address table: 32,000 entries
• Jumbo frames: up to 9,198 bytes

Routing & Management

• Routing protocols: OSPF, OSPFv3, EIGRP, BGP, IS-IS, RIP, VRRP, HSRP, PIM
• Management protocols: CLI, SNMP (v1/v2c/v3), RMON, NETCONF, RESTCONF

Power & Reliability

• UPOE support for high-power endpoints
• Internal power supply with optional redundancy
• Power provided: up to 1,100 W
• Hot-plug power support
• 80 PLUS Platinum efficiency

Security

• AES 128-bit encryption
• Physical & Environmental
• Rack height: 1RU
• Dimensions: 17.5 × 17.5 × 1.7 inches
• Weight: 16.73 lbs
• Color: Gray

UPC: 00889728051620

Use Cases

The C9300-48UN-A is designed for enterprise access layers supporting Wi-Fi 6 deployments, multigigabit wired endpoints, and power-hungry IoT devices. It is well-suited for campus networks, branch offices, and organizations standardizing on high-performance, software-defined access infrastructure with advanced routing and policy control.

Why Choose the C9300-48UN-A

• Delivers multigigabit UPOE access for modern enterprise devices

• Provides full Network Advantage Layer 3 routing and policy features

• Supports large-scale VLAN, routing, and traffic analytics requirements

• Enables scalable growth with industry-leading stacking bandwidth

• Ships brand new with full Cisco manufacturer warranty

FAQs

What type of ports does the C9300-48UN-A provide?

It provides 48 multigigabit UPOE ports supporting speeds from 1G up to 10G.

Is this switch suitable for Wi-Fi 6 deployments?

Yes. It is for high-density Wi-Fi 6 access points and multigigabit connectivity.

Does this model support stacking?

Yes. It supports high-bandwidth stacking with a capacity of up to 480 Gbps.

What software license do we get?

The switch ships with the Network Advantage software edition.

Is this product new and covered by the Cisco warranty?

Yes. It is brand new, factory sealed, and includes full Cisco manufacturer warranty support.