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Name:
C9300-48UMX-A
- Description:
- Catalyst 9300 48-port (12 mGig&36 2.5Gbps) Network Advantage
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3 Year Extended Warranty
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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
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Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
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C9300-48UMX-A Overview
C9300-48UMX-A is built on a high-performance, enterprise-grade architecture that integrates a fixed, rack-mount design with flexible power options including support for redundant AC power supplies. It features an optimized port configuration with 48 fixed 10/100/1000 Ethernet ports and 4 fixed 10G SFP+ uplink ports, ensuring fast data transport and robust connectivity without compromise.
Designed for scalability and efficient network management, the C9300-48UMX-A incorporates advanced stacking capabilities and a substantial switching capacity to meet growing network demands. Ideal for core and access layer deployments in modern enterprise environments, it delivers reliable performance for critical applications and high-bandwidth use cases.
What is the price of C9300-48UMX-A?
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C9300-48UMX-A Specifications
| Product Type | Switch |
| Power Source | AC Power Supply with Redundant Options |
| Layer Supported | Layer 2 / Layer 3 |
| Form Factor | Rack-mount |
| Power Consumption | N/A |
| Number Of Ethernet Ports | 24–48 Ports |
| Number Of Downlink Ports | N/A |
| Manageable | Managed |
| Ethernet Technology | 10/100/1000 |
| Media Type Supported | Twisted Pair / Fiber |
| Redundant Power Supply Supported | Yes |
| Manufacturer Part Number | C9300-48UMX-A |
| Uplink Configuration | 10G |
| IOS | LAN Base |
| POE Support | Non POE |
| SFP Ports | 4 SFP Ports |
| Memory | 4 GB |
| Rack Units | 1 RU |
| Interface Ports | 10/100/1000 |
| Port/Expansion Slot Details | 48 fixed 10/100/1000 ports and 4 fixed 10G SFP+ ports |
| Flash Memory | 256 MB |
| Switching Capacity | 480 Gbps |
| Switching Capacity With Stacking | 480 Gbps |
| Product Name | Cisco Catalyst 9300-48UMX-A |
| Height | 1.73 inches |
| Width | 17.5 inches |
| Depth | 18.3 inches |
| Weight | 24 lbs |
C9300-48UMX-A Use Case
High-Density Enterprise Campus LAN for Wi-Fi 6 and IoT
In a global corporate campus, network engineers deploy the C9300-48UMX-A Catalyst 9300 48-port (12 mGig & 36 2.5Gbps) with Network Advantage as the aggregation switch for 802.11ax access points, PoE IP phones and IoT sensors. Leveraging Cisco DNA Center automation, advanced security policies and multi-gigabit PoE, the solution delivers 40% faster device onboarding, simplified operations and scalable performance to support 5G-ready wireless and smart-building applications.
Spine-and-Leaf Data Center Leaf Switch for Multi-Gig Throughput
A cloud services provider uses the C9300-48UMX-A Catalyst 9300 48-port (12 mGig & 36 2.5Gbps) Network Advantage switch as a leaf node in a spine-and-leaf fabric. With EVPN-VXLAN overlays, segment routing, advanced L2/L3 services and 2.5–10 Gbps server uplinks, the deployment achieves sub-millisecond latency, 99.999% uptime and 50% higher east-west throughput. Automated Zero-Touch Provisioning and telemetry simplify scaling while maintaining security segmentation.
Smart Manufacturing Edge for Industrial IoT and Automation
In a high-volume manufacturing plant, IT and OT teams integrate the C9300-48UMX-A Catalyst 9300 48-port (12 mGig & 36 2.5Gbps) with Network Advantage at the shop-floor edge. The switch powers and connects PLCs, IP cameras and wireless gateways over multi-gigabit PoE, with Cisco TrustSec segmentation, real-time telemetry and QoS prioritization. Outcome: 25% reduction in network-related downtime, deterministic control-loop performance and streamlined device onboarding.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Depth | 18.3 inches | 10.8 inches | 15 inches | 12 inches | 11.3 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 | 1.75 inches | 1.75 inches | 1.75 inches |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| IOS | LAN Base | LAN Base | LAN Base | LAN Base | IP Services |
| 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 | C9300-48UMX-A | C9300L-48T-4X-E | C9300L-48UXG-4X-E | C9300-24S-A | C9300-48UXM-A |
| Media Type Supported | Twisted Pair / Fiber | Twisted Pair / Fiber | Twisted Pair | Fiber | Twisted Pair |
| Memory | 4 GB | 4 GB | 4 GB | 4 GB | 4 GB |
| Number of Downlink Ports | N/A | 48 Ports | 48 Ports | 24 Ports | 24–48 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | N/A | 24–48 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | 48 fixed 10/100/1000 ports and 4 fixed 10G SFP+ ports | 48 x 10/100/1000 RJ-45 ports, 4 x 10G SFP+ uplink ports | 48 x 10/100/1000 Ethernet ports and 4 x 10G SFP+ uplink ports | 24 integrated 1G SFP ports and 4 fixed 10G uplink ports | 48 x 10/100/1000 Ethernet ports and 4 x 10G uplink ports |
| Power Consumption | N/A | 155W | N/A | 50 W | 370W |
| Power Source | AC Power Supply with Redundant Options | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply with optional redundant power supply |
| Product Name | Cisco Catalyst 9300-48UMX-A | Cisco Catalyst 9300L-48T-4X-E | Cisco Catalyst 9300L-48UXG-4X-E | Cisco Catalyst 9300-24S-A Switch | Cisco Catalyst 9300-48UXM-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 | Yes | Yes | Yes |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 24 SFP Ports | 4 SFP Ports |
| Switching Capacity | 480 Gbps | 128 Gbps | 128 Gbps | 128 Gbps | 480 Gbps |
| Switching Capacity with Stacking | 480 Gbps | 320 Gbps | 320 Gbps | 480 Gbps | 960 Gbps |
| Uplink Configuration | 10G | 10G | 10G | 10G | 10G |
| Weight | 24 lbs | 27 lbs | 25 lbs | 24 lbs | 27.6 lbs |
| Width | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches |
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Questions & Answers
Q
What is the Cisco Catalyst 9300 48-port (12 mGig & 36 2.5Gbps) Network Advantage (SKU C9300-48UMX-A)?
A
The Cisco Catalyst 9300 48-port (12 mGig & 36 2.5Gbps) Network Advantage switch (SKU C9300-48UMX-A) is a fixed enterprise-grade access layer switch that delivers multigigabit performance, advanced routing, and enhanced security with Cisco IOS XE Network Advantage.
Q
What are the key hardware features of the C9300-48UMX-A?
A
It offers 48 multigigabit RJ45 ports, four modular uplink slots supporting 1/10/25GbE optics, field-replaceable power supplies and fans, and a compact 1RU form factor.
Q
What advanced software capabilities does the Network Advantage license include?
A
Network Advantage provides full Layer 3 routing, Segment Routing, EVPN, flexible NetFlow, advanced QoS, Cisco TrustSec, Secure Group Tag, and SD-Access automation.
Q
What switching capacity and forwarding performance does the Catalyst 9300-48UMX-A deliver?
A
It delivers up to 480 Gbps of switching capacity and up to 720 Mpps of forwarding performance per switch for non-blocking line-rate traffic.
Q
How many ports and speeds are supported on the C9300-48UMX-A?
A
It supports 12 ports at 5/10Gbps multigigabit speeds and 36 ports at 2.5Gbps, enabling high-performance access for wired and wireless clients.
Q
What Power over Ethernet capabilities does the C9300-48UMX-A support?
A
The switch supports up to a 960W PoE budget with PoE+ (30W) per port or UPOE (60W) per port using optional advanced power supplies.
Q
What stacking options are available for the Cisco Catalyst 9300 series?
A
StackWise-480 technology allows up to eight switches to be stacked with 480 Gbps of stack bandwidth, unified management, and nonstop forwarding across members.
Q
Which management and programmability interfaces does the Catalyst 9300 offer?
A
It supports Cisco IOS XE CLI, web UI, SNMP, NETCONF/YANG, RESTCONF, streaming telemetry, and integration with Cisco Prime Infrastructure and DNA Center.
Q
What security features are built into the Network Advantage license?
A
Built-in security includes MACsec encryption, Cisco TrustSec, Secure Group Tag, segment routing with encrypted traffic analytics, and flexible authentication with ISE integration.
Q
How does the C9300-48UMX-A integrate with Cisco DNA Center?
A
It enables SD-Access automation, policy-based provisioning, real-time analytics, intent-based segmentation, and assurance through seamless DNA Center integration.
Q
Is the Catalyst 9300-48UMX-A compatible with other Cisco Catalyst switches?
A
Yes, it interoperates with Catalyst 9200, 9300, 9400, and 9500 series under a unified IOS XE architecture, ensuring consistent features and simplified upgrades.
Q
What environmental and compliance certifications does the C9300-48UMX-A have?
A
It is Energy Star certified, RoHS compliant, meets IEEE 802.3az, UL, CB, CE, and FCC standards, and operates in temperatures from 0°C to 45°C.
Q
How does the Catalyst 9300 ensure high reliability and redundancy?
A
It offers redundant field-replaceable power supplies and fans, nonstop forwarding, nonstop active routing, and hot-swappable modular components for maximum uptime.
Q
What are the software upgrade options for the Catalyst 9300?
A
Software can be upgraded via Cisco IOS XE Software Installer, DNA Center automation, USB, TFTP, FTP, or SCP to deploy new images and feature sets.
Q
What warranty and support options are available for SKU C9300-48UMX-A?
A
It includes a limited lifetime hardware warranty, optional Cisco Smart Net Total Care for 24x7 support, software updates, advance hardware replacement, and TAC access.
Q
How do I order and configure the C9300-48UMX-A for my network?
A
Contact a Cisco authorized reseller, specify SKU C9300-48UMX-A, select power supply and stacking accessories, and include a Smart Net contract to tailor your deployment and quote.
