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Deep buffer design improves traffic handling.
C9300-24UXB-A=
ELA SPARE CATALYST 9300 DEEP BUFFER 24P MGIG UPOE NTWK ADVAN...
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C9300-24UXB-A=
- Description:
- ELA SPARE CATALYST 9300 DEEP BUFFER 24P MGIG UPOE NTWK ADVANTAGE
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- Brand:
- Cisco
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- Warranty:
- 3
- List Price:
$18,287.00
- Price:
$9,648.0047.2% off
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C9300-24UXB-A= Overview
C9300-24UXB-A= is a high-performance, enterprise-grade switch engineered with a modern modular architecture that delivers robust security and scalability for critical campus and branch network applications. It offers flexible power options with a redundant power supply design, versatile port configurations including 24 Ethernet downlink ports and dedicated 10G uplink ports, as well as advanced stacking capabilities that simplify management and enhance scalability.
Designed to support both Layer 2 and Layer 3 operations, this switch excels in delivering consistent performance even under demanding workloads and rapidly growing network environments. Its high switching capacity, combined with feature-rich software options and a compact 1 RU rackmounted form factor, makes it ideal for businesses seeking reliable connectivity, simplified operations, and future-proof network infrastructure.
C9300-24UXB-A= price is $9,648.00, a 47.2% saving from the Cisco list price of $18,287.00. C9300-24UXB-A= is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C9300-24UXB-A= for additional pricing. Browse the full Cisco Catalyst 9300 Switches series or explore all Cisco products.
C9300-24UXB-A= Specifications
- Product Type
- Switch
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 24 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- IOS
- LAN Base
- POE Support
- Non POE
- SFP Ports
- 4 SFP Ports
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Height
- 1.73 inches
- Media Type Supported
- Combo
- Redundant Power Supply Supported
- Yes
- Port/Expansion Slot Details
- N/A
- Flash Memory
- 256 MB
- Width
- 17.5 inches
- Power Consumption
- 370 W
- Switching Capacity
- 128 Gbps
- Memory
- 512 MB
- Uplink Configuration
- 10G
- Weight
- 23 lbs
- Power Source
- Redundant Power Supply
- Switching Capacity with Stacking
- 320 Gbps
- Depth
- 18.9 inches
- Manufacturer Part Number
- C9300-24UXB-A=
- Product Name
- Cisco Catalyst 9300-24UXB Switch
C9300-24UXB-A= Use Case
Enterprise Campus Backbone Aggregation with C9300-24UXB-A=-ELA
In a global corporate campus carrying mixed critical traffic—VoIP, video conferencing and data analytics—the C9300-24UXB-A=-ELA SPARE CATALYST 9300 DEEP BUFFER 24P MGIG UPOE NTWK ADVANTAGE serves as an aggregation switch. Its deep packet buffer absorbs traffic bursts, while 24 mGig/UPOE ports power Wi-Fi 6 access points and IP phones. Outcome: Consistent low-latency performance, zero packet loss under peak loads and simplified PoE management for improved user experience and IT agility.
4K Video Surveillance Deployment in Retail Chains
A multi-store retail chain deploys dozens of 4K PoE++ cameras per location, generating high-bandwidth streams to a central NVR. The C9300-24UXB-A=-ELA SPARE CATALYST 9300 DEEP BUFFER 24P MGIG UPOE NTWK ADVANTAGE powers each camera and aggregates traffic at up to 2.5 Gbps per port. Its deep buffer prevents frame drops during peak motion events. Outcome: Reliable, uninterrupted HD video capture, simplified cable infrastructure and real-time threat detection across all locations.
Smart Building IoT & Wi-Fi 6 Edge Infrastructure
In a smart building environment with hundreds of sensors, door controllers and Wi-Fi 6 access points, the C9300-24UXB-A=-ELA SPARE CATALYST 9300 DEEP BUFFER 24P MGIG UPOE NTWK ADVANTAGE consolidates power and data on a single platform. mGig uplinks deliver 2.5 GbE connectivity to APs, while deep packet buffering smooths bursty IoT telemetry. Outcome: Unified edge network, reduced switch footprint, guaranteed device uptime and scalable support for future IoT rollouts.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 C9300-24UXB-A= |  C9300-24U-E |  C9300-24P-E |  C9300L-48UXG-4X-A |  C9300L-48T-4G-A | |
|---|---|---|---|---|---|
| Depth | 18.9 inches | 11.5 inches | 11.4 inches | 12.9 inches | 12.9 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 | 1.73 inches |
| IOS | LAN Base | IP Services | LAN Base | LAN Lite | IP Lite |
| 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 | C9300-24UXB-A= | C9300-24U-E | C9300-24P-E | C9300L-48UXG-4X-A | C9300L-48T-4G-A |
| Media Type Supported | Combo | Combo | Twisted Pair | Twisted Pair | Twisted Pair |
| Memory | 512 MB | 4 GB | 4 GB | 4 GB | 256 MB |
| Number of Downlink Ports | 24 Ports | 24 Ports | 24 Ports | 48 Ports | 48 Ports |
| Number of Ethernet Ports | 24–48 Ports | 12–24 Ports | 12–24 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | POE+ | Non POE | Non POE |
| Port/Expansion Slot Details | N/A | 24 Ethernet ports and 4 SFP uplink ports | N/A | N/A | 48 x 10/100/1000 Ethernet ports, 4 x 1G uplink ports |
| Power Consumption | 370 W | 40 W | 370 W | 250W | 110W |
| Power Source | Redundant Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco Catalyst 9300-24UXB Switch | Cisco Catalyst 9300 24-Port Switch (Non-PoE, Enhanced Image) | Cisco Catalyst 9300-24P-E | Cisco Catalyst 9300L-48UXG-4X-A Switch | Cisco Catalyst 9300L-48T-4G-A |
| 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 | No |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 128 Gbps | 128 Gbps | 128 Gbps | 480 Gbps | 128 Gbps |
| Switching Capacity with Stacking | 320 Gbps | 480 Gbps | 480 Gbps | 480 Gbps | 160 Gbps |
| Uplink Configuration | 10G | 1G | 1G | 10G | 1G |
| Weight | 23 lbs | 18 lbs | 13.2 lbs | 24 lbs | 24 lbs |
| Width | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches |
Reviews & Ratings
K
Kevin Price
4
Advanced features are useful.
B
Brian Turner
5
Reliable under load.
J
Jason Phillips
3
Strong access switch.
M
Mark Coleman
4
Good enterprise choice.
Questions & Answers
What is the Cisco Catalyst 9300 Deep Buffer 24-Port (C9300-24UXB-A=)?
The Cisco Catalyst 9300 Deep Buffer 24-Port (C9300-24UXB-A=) is an enterprise-grade fixed switch offering 24 multigigabit UPOE ports, deep packet buffers, advanced security, and Cisco DNA Advantage software for automated network management.
What does “deep buffer” mean in the Catalyst 9300-24UXB?
“Deep buffer” describes the switch’s 9 MB per port packet memory, designed to prevent congestion under high traffic bursts and improve performance for video, IoT, and wireless backhaul applications.
How many multigigabit speeds does the C9300-24UXB support?
The C9300-24UXB supports four Ethernet speeds—10 Mbps, 100 Mbps, 1 Gbps, and 2.5 Gbps—enabling seamless migration for IoT devices and high-bandwidth clients without new cabling.
What is the total UPOE power budget on the Catalyst 9300-24UXB?
The Catalyst 9300-24UXB delivers up to 60 W per port with a total UPOE budget of 1440 W, sufficient to power high-performance access points, cameras, and endpoint devices.