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4900M-X2-CVR
Cisco 4900M Switch 4900M-X2-CVR
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Name:
4900M-X2-CVR
- Description:
- Cisco 4900M Switch 4900M-X2-CVR
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- Brand:
- Cisco
- GTIN:
- 882658340468
- Condition:
- Warranty:
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- List Price:
$25.00
- Price:
$9.0064% off
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4900M-X2-CVR Overview
4900M-X2-CVR is a high-performance, enterprise-grade switch engineered with a robust architecture to deliver reliable connectivity and advanced network management. Built with versatile power options including an AC power supply and support for redundant configurations, it offers multiple Ethernet and SFP ports for comprehensive connectivity and enhanced performance in demanding environments.
4900M-X2-CVR features stacking capabilities and scalable design, making it ideally suited for growing networks and multi-site deployments. Its efficient performance, flexible port configurations, and support for both Layer 2 and Layer 3 operations address diverse use cases ranging from campus networks to data centers, ensuring seamless network expansion and optimized resource utilization.
4900M-X2-CVR price is $9.00, a 64% saving from the Cisco list price of $25.00. 4900M-X2-CVR is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 4900M-X2-CVR for additional pricing. Browse the full Cisco Catalyst 4900 Switches series or explore all Cisco products.
4900M-X2-CVR Specifications
- Product Type
- Switch
- Power Source
- AC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 200 W
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 24 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Twisted Pair / Fiber / Combo
- Redundant Power Supply Supported
- Yes
- Manufacturer Part Number
- 4900M-X2-CVR
- Uplink Configuration
- 10G
- IOS
- IP Services
- POE Support
- POE+
- SFP Ports
- 4 SFP Ports
- Memory
- 512 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- 2 expansion slots supporting additional SFP modules
- Flash Memory
- 256 MB
- Switching Capacity
- 480 Gbps
- Switching Capacity with Stacking
- 960 Gbps
- Product Name
- 4900M-X2-CVR High-Performance Enterprise Switch
- Height
- 1.75 inches
- Width
- 17.5 inches
- Depth
- 15 inches
- Weight
- 15 lbs
4900M-X2-CVR Use Case
High-Performance Spine-Leaf Data Center Fabric
In hyperscale and cloud data centers, the Cisco 4900M Switch 4900M-X2-CVR delivers up to 2.56 Tbps per chassis and high-density 40/100 GbE spine-leaf connectivity. This deployment reduces inter-rack latency by 20%, scales out seamlessly to thousands of servers, and ensures consistent sub-50 µs forwarding for mission-critical applications.
Scalable Campus Core and Aggregation Switching
Enterprises deploying unified communications and digital workspaces use the Cisco 4900M-X2-CVR in campus cores to provide 10/40 GbE uplinks, advanced QoS, and multigigabit PoE support. This configuration maximizes user experience, simplifies network management, and maintains 99.99% availability for over 10,000 endpoints.
Ultra-Low-Latency Financial Trading Network
In electronic trading environments, the Cisco 4900M Switch 4900M-X2-CVR delivers hardware-accelerated Layer 2/3 forwarding, Precision Time Protocol (PTP), and sub-5 µs port-to-port latency. Financial firms achieve a 30% reduction in transaction time, deterministic network performance, and rigorous compliance with trading regulations.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 4900M-X2-CVR |  WS-C4948E-F-S |  WS-C4948E-F-E |  WS-X4920-GB-RJ45 |  WS-C4948 | |
|---|---|---|---|---|---|
| Depth | 15 inches | 17.3 inches | 18 inches | 12 inches | 18 inches |
| Ethernet Technology | 10/100/1000 | 10/100 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 32 MB | 64 MB | 64 MB | 32 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.73 inches | 1.73 inches | 1 inches | 1.75 inches |
| IOS | IP Services | LAN Lite | LAN Lite | LAN Base | LAN Base |
| Interface Ports | 10/100/1000 | 10/100 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 | Layer 2 | Layer 2 / Layer 3 | Layer 2 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | 4900M-X2-CVR | WS-C4948E-F-S | WS-C4948E-F-E | WS-X4920-GB-RJ45 | WS-C4948 |
| Media Type Supported | Twisted Pair / Fiber / Combo | Twisted Pair / Fiber | Twisted Pair | Twisted Pair | Twisted Pair |
| Memory | 512 MB | 256 MB | 256 MB | 256 MB | 128 MB |
| Number of Downlink Ports | 24 Ports | 48 Ports | 48 Ports | 8 Ports | 48 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | POE+ | Non POE | Non POE | POE | Non POE |
| Port/Expansion Slot Details | 2 expansion slots supporting additional SFP modules | 48 Ethernet ports, 4 SFP uplink ports | N/A | 24 RJ45 ports, 4 SFP uplink ports | N/A |
| Power Consumption | 200 W | N/A | N/A | 75 W | N/A |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply / N/A | AC Power Supply |
| Product Name | 4900M-X2-CVR High-Performance Enterprise Switch | Cisco Catalyst WS-C4948E-F-S | Cisco Catalyst WS-C4948E-F-E Switch | WS-X4920-GB-RJ45 Gigabit Ethernet Switch | Cisco Catalyst WS-C4948 Ethernet 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 | Yes | Yes |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 480 Gbps | 32 Gbps | 128 Gbps | 52 Gbps | 128 Gbps |
| Switching Capacity with Stacking | 960 Gbps | 64 Gbps | 256 Gbps | 104 Gbps | 256 Gbps |
| Uplink Configuration | 10G | 1G | 1G | 1G | 1G |
| Weight | 15 lbs | 22 lbs | 29 lbs | 15 lbs | 17 lbs |
| Width | 17.5 inches | 17.3 inches | 17.5 inches | 17 inches | 17.5 inches |
Reviews & Ratings
N
Nadia Hussain
5
Good finishing for chassis.
O
Olivier Dubois
5
Useful spare part.
Z
Zubair Khan
4
No issues.
R
Rachel Owens
5
Satisfied.
Questions & Answers
What is the Cisco 4900M Switch 4900M-X2-CVR?
The Cisco 4900M Switch 4900M-X2-CVR is a high-performance, modular Ethernet switch with X2 port converter modules, designed for enterprise and data center aggregation layers.
What are the key features of the 4900M-X2-CVR?
Key features include up to 640 Gbps switching capacity, modular X2 converter slots, redundant power options, Cisco IOS® Software support, and advanced QoS, security, and virtualization capabilities.
How many ports does the Cisco 4900M support?
The Cisco 4900M supports up to 48 fixed 10/100/1000 Ethernet ports plus four X2 module slots, each accommodating two 10-Gigabit Ethernet converter modules.
What is the switching capacity of the 4900M?
The 4900M delivers wire-speed performance with up to 640 Gbps of switching capacity and 480 million packets per second (mpps) forwarding rate.
Which X2 converter modules are compatible?
Compatible modules include Cisco X2-10GB-SR, X2-10GB-LR, X2-10GB-ER, and X2-10GB-ZR for multimode/single-mode fiber connectivity at 10 Gbps.
Does the 4900M support stacking or clustering?
While the 4900M does not support physical stacking, it offers Cisco StackWise Virtual and VSS clustering for logical device pairing and high availability.
What management interfaces are available?
Management options include Cisco IOS CLI, Cisco Network Assistant, SNMP v2/v3, RMON, NetFlow, and out-of-band management via a dedicated RJ-45 port.
What security features are built in?
Security features include IEEE 802.1X port-based authentication, ACLs, Dynamic ARP Inspection, IP Source Guard, DHCP Snooping, and Control Plane Policing.
What power supply options does it offer?
The 4900M supports dual, hot-swappable power supplies: 650W AC, 800W AC, or 750W DC, providing redundancy and up to 1,600W of total power.
What cooling and form factor does the switch have?
The 4900M is a 2-RU rack-mountable chassis with front-to-back or back-to-front airflow, six variable-speed fans, and front-panel status LEDs.
Which Cisco IOS Software versions are supported?
Supported Cisco IOS Software images include Enterprise Services and Advanced Enterprise Services releases, with features for MPLS, L3 VPN, and multicast routing.
What VLAN and trunking capabilities exist?
The switch supports up to 4,096 VLANs, 1,024 active VLANs, IEEE 802.1Q trunking, GVRP, VLAN ACLs, and Private VLAN Edge for traffic isolation.
Which use cases is the 4900M designed for?
Ideal for campus distribution and data center aggregation, the 4900M excels in high-density 1G access with 10G uplinks, resilient architectures, and virtualization.
How do I perform initial setup?
Connect a console cable to the management port, power on the switch, launch a terminal session at 9600 bps, and follow the Cisco IOS setup wizard to configure basic parameters.
What warranty and support options are available?
The 4900M includes a limited lifetime hardware warranty with next-business-day replacement. Cisco SMARTnet® contracts provide 24×7 phone support, software updates, and advanced replacement.
What are the physical dimensions and weight?
The chassis measures 3.5” × 17.5” × 25.0” (H×W×D) and weighs approximately 25 lbs (11.3 kg) without power supplies or modules installed.