• Cisco Catalyst 9300 C9300-48U-A 48-port UPOE switch, black and silver
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Cisco

Cisco C9300-48U-A | Catalyst 9300 48-Port Gigabit UPOE Switch, 822W, Network Advantage

C9300-48U-A

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Description

The Cisco C9300-48U-A is a next-generation enterprise stackable access switch delivering 48 ports of Universal PoE (up to 60W per port) with an 822W power budget. Built for high-density campus and smart building deployments, it features modular uplink flexibility supporting 1G, 10G, 25G, and 40G expansion, StackWise-480 for up to 8-switch stacking, and advanced Layer 3 routing with the Network Advantage license. Ideal for powering high-demand IoT devices, wireless access points, IP phones, and surveillance cameras.

Features

Universal PoE (UPOE) - 60W per port across all 48 ports for high-power devices
- StackWise-480 - Industry-leading 480 Gbps stacking bandwidth, up to 8 switches per stack
- StackPower - Pooled power redundancy across stacked switches for resilient power delivery
- Modular uplink architecture - Field-replaceable network modules supporting 1G to 40G speeds
- Advanced Layer 3 routing - OSPF, EIGRP, BGP, PBR, multicast, IPv6 with Network Advantage
- MACsec-256 encryption - Line-rate wire-speed encryption for data-in-transit security
- Cisco TrustSec and Security Group Tags (SGT) - Micro-segmentation and policy enforcement
- Encrypted Traffic Analytics (ETA) - Detect threats in encrypted traffic without decryption
- Perpetual PoE - Maintains PoE power during switch reload/upgrade for uninterrupted IoT operation
- Fast PoE - Delivers power to endpoints before OS fully loads, accelerating device boot time
- Flexible NetFlow (FNF) - Advanced traffic monitoring and network analytics
- Application Visibility and Control (AVC) - Identify and prioritize applications with NBAR2
- Cross-stack EtherChannel - High-availability link aggregation across stack members
- Cisco UADP 2.0 ASIC - Programmable pipeline for wire-speed performance and future features
- 8 GB DRAM and 16 GB Flash - Ample memory for advanced features and IOS XE containerization
- USB 3.0 SSD slot - External storage for diagnostics, logs, and guest OS containers
- Cisco DNA ready - Full integration with DNA Center, Assurance, and SD-Access

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Datasheet

Manual

Technical Specifications

48 x 10/100/1000BASE-T Ethernet ports with UPOE (60W per port)
- PoE power budget: 822W (1100W AC power supply included)
- Switching capacity: 256 Gbps
- Forwarding rate: 190.48 Mpps
- Modular uplink slot supporting optional network modules (1G/10G/25G/40G)
- StackWise-480 stacking bandwidth (480 Gbps, up to 8 switches)
- MAC address table: 32,000 entries
- IPv4 routes: 32,000 (24,000 direct, 8,000 indirect)
- IPv6 routes: 16,000
- DRAM: 8 GB, Flash: 16 GB
- Management: CLI, Web UI, SNMP, Cisco DNA Center
- Dimensions (H x W x D): 1.73 x 17.5 x 19.2 inches (4.4 x 44.5 x 48.8 cm)
- Weight: 16.33 lbs (7.4 kg)
- Operating temperature: -5°C to +45°C (up to 5,000 ft elevation)
- Three field-replaceable fans
- Cisco IOS XE with Network Advantage license

FAQs

Q: What is UPOE and how does it differ from standard PoE+?
A: UPOE (Universal Power over Ethernet) delivers up to 60W per port, nearly double the 30W of standard PoE+ (802.3at). This enables the C9300-48U-A to power high-demand devices such as PTZ cameras, video conferencing endpoints, VDI thin clients, compact switches, and Wi-Fi 6/6E access points that require more than standard PoE can provide.

Q: What uplink modules are compatible with the C9300-48U-A?
A: The switch supports Catalyst 9300 and 3850 network modules including: C9300-NM-4G (4x 1G), C9300-NM-8X (8x 10G), C9300-NM-2Q (2x 40G), C9300-NM-2T (2x 25G SFP28), and C9300-NM-4M (4x mGig). The modular uplink slot is field-replaceable, allowing non-disruptive migration as network speeds evolve.

Q: Can this switch be stacked with other Catalyst 9300 models?
A: Yes, the C9300-48U-A supports StackWise-480 technology providing up to 480 Gbps of stacking bandwidth and can stack up to 8 switches under a single management plane. It can be stacked with other C9300 and C9300X modular uplink models, but cannot be mixed with C9300L fixed uplink models or legacy Catalyst 3850/3650 switches.

Q: What Layer 3 routing features are included with Network Advantage?
A: The Network Advantage license includes full Layer 3 routing capabilities with support for OSPF, EIGRP, BGP, policy-based routing (PBR), IPv4 and IPv6 routing, multicast (PIM, IGMP, MLD), VXLAN, MPLS, and 32,000 IPv4 routes. This makes the switch suitable for distribution layer and routed access deployments beyond basic Layer 2 switching.

Q: Does the C9300-48U-A support Cisco DNA and SD-Access?
A: Yes, the switch is fully compatible with Cisco DNA Center for intent-based networking and forms the foundational building block for Cisco Software-Defined Access (SD-Access). It supports features like MACsec-256 encryption, TrustSec segmentation, Encrypted Traffic Analytics (ETA), and automated provisioning for zero-trust network architectures.

Datasheet

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Manual

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