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Deep buffer and UPOE handle demanding environments.
C9300-24UB-A=
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Catalyst Deep Buffer 9300 24-port UPOE, Network Advantage
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C9300-24UB-A=
- Description:
- Catalyst Deep Buffer 9300 24-port UPOE, Network Advantage
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- Brand:
- Cisco
- Condition:
- Warranty:
- 3
- List Price:
$8,613.00
- Price:
$4,543.0047.3% off
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1
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C9300-24UB-A= Overview
C9300-24UB-A= is a high-performance, stackable network switch from Cisco’s Catalyst 9300 Series designed for secure enterprise access with a robust architecture that supports both Layer 2 and Layer 3 operations. Built to deliver consistent performance and scalability, it is equipped with 24 fixed 10/100/1000 Ethernet ports for access connectivity and 4 dedicated 1G SFP uplink ports, ensuring flexible power options and redundancy in mission‐critical environments.
The switch’s design emphasizes modularity and simplified operations with Cisco IOS XE, enabling seamless enterprise scalability and high switching capacity both as a standalone device and in a stacked configuration. Ideal for campus, branch, and distributed enterprise networks, it supports advanced features needed for modern connectivity, secure segmentation, and efficient network management across diverse use cases.
C9300-24UB-A= price is $4,543.00, a 47.3% saving from the Cisco list price of $8,613.00. C9300-24UB-A= is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C9300-24UB-A= for additional pricing. Browse the full Cisco Catalyst 9300 Switches series or explore all Cisco products.
C9300-24UB-A= Specifications
- Product Type
- Switch
- Power Source
- AC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Number of Downlink Ports
- 24 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Twisted Pair
- Uplink Configuration
- 1G
- IOS
- LAN Base
- POE Support
- Non POE
- SFP Ports
- 4 SFP Ports
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Switching Capacity
- 160 Gbps
- Height
- 1.73 inches
- Redundant Power Supply Supported
- Yes
- Flash Memory
- 256 MB
- Width
- 17.5 inches
- Number of Ethernet Ports
- 12–24 Ports
- Power Consumption
- 370 W
- Weight
- 16.5 lbs
- Memory
- 4 GB
- Depth
- 11.8 inches
- Port/Expansion Slot Details
- 24 x 10/100/1000 Ethernet ports and 4 x 1G SFP uplink ports
- Switching Capacity with Stacking
- 480 Gbps
- Manufacturer Part Number
- C9300-24UB-A=
- Product Name
- Cisco Catalyst 9300-24UB Switch
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| C9300-24UB-A= |  C9300L-24UXG-4X-E |  C9300L-48T-4X-10A |  C9300L-24P-4G-E |  C9300-24UXB-E= | |
|---|---|---|---|---|---|
| Depth | 11.8 inches | 11 inches | 12.96 inches | 11 inches | 11 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.73 inches | 1.75 inches | 1.73 inches | 1.73 inches | 1.75 inches |
| IOS | LAN Base | IP Services | LAN Lite | IP Services | IP Services |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | C9300-24UB-A= | C9300L-24UXG-4X-E | C9300L-48T-4X-10A | C9300L-24P-4G-E | C9300-24UXB-E= |
| Media Type Supported | Twisted Pair | Twisted Pair / Fiber | Twisted Pair | Twisted Pair | Twisted Pair / Fiber |
| Memory | 4 GB | 4 GB | 4 GB | 512 MB | 4 GB |
| Number of Downlink Ports | 24 Ports | 24 Ports | 48 Ports | 24 Ports | N/A |
| Number of Ethernet Ports | 12–24 Ports | 24–48 Ports | 24–48 Ports | 12–24 Ports | 12–24 Ports |
| POE Support | Non POE | Non POE | Non POE | POE+ | Non POE |
| Port/Expansion Slot Details | 24 x 10/100/1000 Ethernet ports and 4 x 1G SFP uplink ports | 24 fixed 10/100/1000 ports and 4 fixed 10G uplink ports | 48 fixed 10/100/1000 Ethernet ports and 4 fixed 10G SFP+ uplink ports | N/A | 24 x 10/100/1000 Ethernet ports and 4 x 1G SFP uplink ports |
| Power Consumption | 370 W | 150W | N/A | 370 W | N/A |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco Catalyst 9300-24UB Switch | Cisco Catalyst 9300L-24UXG-4X-E | Cisco Catalyst 9300L-48T-4X-10A | Cisco Catalyst 9300L-24P-4G-E Switch | Cisco Catalyst 9300-24UX Base Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | No | No | No | Yes |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 160 Gbps | 128 Gbps | 480 Gbps | 128 Gbps | 160 Gbps |
| Switching Capacity with Stacking | 480 Gbps | 160 Gbps | 480 Gbps | 320 Gbps | 320 Gbps |
| Uplink Configuration | 1G | 10G | 10G | 1G | 1G / 10G |
| Weight | 16.5 lbs | 14.3 lbs | 23 lbs | 15 lbs | 15 lbs |
| Width | 17.5 inches | 17.3 inches | 17.5 inches | 17.5 inches | 17.5 inches |
Reviews & Ratings
K
Kevin Grant
4
Advanced licensing useful.
B
Brian Hayes
5
Reliable performance.
J
Jason King
4
Good access layer switch.
M
Mark Sullivan
5
Stable and dependable.
Questions & Answers
What is the Cisco Catalyst 9300 24-port UPOE switch (C9300-24UB-A=)?
The Cisco Catalyst 9300 24-port UPOE switch is an enterprise-grade access layer device offering 24 RJ-45 UPOE ports, deep packet buffers, and the Network Advantage software suite.
How many UPOE ports does the Catalyst 9300 24UB provide?
The Catalyst 9300 24UB provides 24 universal Power over Ethernet (UPOE) ports, each capable of delivering up to 60 W per port.
What is Universal Power over Ethernet (UPOE)?
UPOE extends IEEE 802.3at PoE+ by delivering up to 60 W per port over standard Cat5e/Cat6 cabling to power high-demand devices like PTZ cameras, video phones, and access points.
What does 'deep buffer' mean on the Catalyst 9300 series?
Deep buffer refers to the switch’s on-chip packet memory (4 MB per ASIC) that smooths traffic bursts and minimizes packet loss in high-volume environments.
What features are included in the Network Advantage software license?
Network Advantage adds advanced routing, Layer 3 features (OSPF, EIGRP, BGP), multicast, MACsec encryption, and flexible policy enforcement for secure, scalable networks.
What stacking capabilities does the C9300-24UB-A= support?
It supports Cisco StackWise-480, enabling up to eight switches to operate as a single logical unit with 480 Gbps of stack throughput.
What are the performance specifications of the 9300 24UB?
The switch delivers 176 Gbps switching capacity, 130 Mpps forwarding rate, and nonblocking wire-speed performance across all ports.
How much power does the Catalyst 9300 24UB consume?
Typical power consumption is 200 W without PoE load; maximum system consumption can reach 1,600 W when all 24 UPOE ports deliver full power.
What deployment scenarios suit the Catalyst 9300 24UB?
Ideal for enterprise access layer, high-density PoE deployments, IP telephony, wireless LAN access, and IoT device connectivity.
Which uplink modules are compatible with the C9300-24UB-A=?
It supports Cisco optional uplink modules including 4× 10G SFP+, 8× 10G SFP+, and mixed 1/10G RJ-45/SFP solutions for flexible aggregation.
Does the Catalyst 9300 24UB support IPv6?
Yes, the switch offers full IPv6 routing, access control, QoS, and management capabilities as part of the Network Advantage license.
How is the Catalyst 9300 24UB managed?
Management options include Cisco DNA Center, Cisco Prime Infrastructure, CLI via console/SSH, SNMP, REST APIs, and Web UI.
What warranty and support options are available?
Cisco provides a limited lifetime hardware warranty, 90-day software updates, and optional Smart Net Total Care for 24×7 support and advanced replacement.
What are the physical dimensions and weight of the switch?
The unit measures 1.73″ H × 17.5″ W × 15.2″ D (2RU) and weighs approximately 16.8 lbs (7.6 kg).
How do I configure PoE settings on the Catalyst 9300 24UB?
Use the CLI command “power inline {port} priority {low|high}” or the Web UI PoE dashboard to allocate power budgets and priorities per port.
Is the Catalyst 9300 24UB energy efficient?
Yes, it features Energy-Efficient Ethernet (802.3az), fan-speed control, and intelligent PoE allocation to reduce power consumption.
What is the maximum PoE budget for the C9300-24UB-A=?
The switch supports a total PoE budget of 1440 W when powered by two AC power supplies (PSU-1+PSU-2).