Cisco WS-C4900M Modular Layer 3 Switch – 2 x PSU – 6 x CVR-X2-SFP – 4 x X2-10GB-SR – 1 x WS-X4920-GB-RJ45 – Refurb

The Cisco WS-C4900M is a high-performance, modular Layer 3 switch designed for enterprise aggregation and core environments requiring scalable, low-latency 10 Gigabit and Gigabit Ethernet connectivity. Featuring 2 modular half-card slots, this system supports up to 40 Gigabit Ethernet ports or 24 10-Gigabit fiber ports, depending on configuration.

This unit includes 6 x CVR-X2-SFP modules for 1Gbps SFP use and 4 x Cisco X2-10GB-SR optics for 10Gbps MMF uplinks, delivering excellent flexibility for mixed network environments. A WS-X4920-GB-RJ45 module adds 20 Gigabit RJ-45 ports for high-density copper connectivity. Powered by dual 1000W redundant power supplies, the WS-C4900M ensures high availability in critical deployments.

With 320 Gbps switching capacity, hardware-based IPv6 support, and Cisco IOS Layer 3 features, this switch is ideal for network aggregation, data center access, and high-speed routing applications.

Key Features & Benefits:
✔ Modular Design – Supports a flexible mix of 10GbE fiber, 1GbE SFP, and RJ-45 copper ports with high backplane throughput.
✔ 10G & 1G Mixed Use – Includes 6 CVR-X2-SFP modules and 4 X2-10GB-SR optics for multimode fiber connectivity.
✔ Enterprise Layer 3 Features – Static and dynamic routing with IPv4/IPv6 hardware support.
✔ High Throughput – 320 Gbps switching capacity and 250 Mpps forwarding for IPv4 traffic.
✔ Redundant Power – Dual 1000W PSU units for increased resilience and uptime.
✔ Advanced Security & QoS – Supports ACLs, SSL, VLANs, and granular traffic prioritization.

Ideal Uses:
✔ Enterprise Network Core – Ideal for core aggregation with scalable bandwidth and rich L3 features.
✔ Campus Aggregation Switch – Supports high-density Gigabit and 10G uplinks for large network backbones.
✔ Data Center Access Layer – Redundant power and modular flexibility for edge or aggregation layers.
✔ MPLS or IPv6 Transition – Future-ready with full hardware support for IPv6 routing and features.

Specifications

Condition:
✔ Refurbished device with minor scratches and scuffs. Device has undergone extensive testing and is fully functional.

Manufacturer & Model:
✔ Cisco Catalyst WS-C4900M

Form Factor:
✔ 2RU Modular Layer 3 Switch

Switching & Throughput:
✔ Switching Capacity: 320 Gbps
✔ IPv4 Forwarding Rate: 250 Mpps
✔ IPv6 Forwarding Rate: 125 Mpps
✔ Latency: Low-latency design for aggregation roles

Modular Configuration:
✔ Half-Card Slots: 2
✔ Included Modules:
• 6 x CVR-X2-SFP (1G SFP adapter for X2 slots)
• 4 x X2-10GB-SR (10GBASE-SR MMF modules, 850nm, up to 300m)
• 1 x WS-X4920-GB-RJ45 (20-port 10/100/1000 RJ-45 module)

Memory & Processing:
✔ CPU: 1.3 GHz
✔ DRAM: 512 MB
✔ Compact Flash Memory Support: Yes
✔ USB Port: Yes
✔ Reset Button: Yes

Networking Features:
✔ Active VLANs: 4096
✔ Multicast Entries: 70,000 (IPv4) / 35,000 (IPv6)
✔ MAC Address Table Size: 55,000
✔ SVIs Supported: 4096
✔ Security Entries (QoS & ACL): 128,000

Spanning Tree & VLAN Support:
✔ PVST, 4094 Instances Supported
✔ VLAN IDs: 4096
✔ Jumbo Frame Support: Yes

Power Supplies & Cooling:
✔ Power Supplies: 2 x 1000W AC Redundant
✔ Cooling: Built-in fan system with front-to-back airflow

Physical Dimensions & Weight:
✔ Dimensions (H x W x D): 89mm x 437mm x 455mm
✔ Weight (w/ fan + 1 PSU): 13.4 kg

Environmental & Compliance:
✔ Operating Temp: 0 to 40°C (32 to 104°F)
✔ Storage Temp: -40 to 70°C (-40 to 158°F)
✔ Humidity: 10% to 90% non-condensing
✔ MTBF: 850,000 hours
✔ Compliance: CE, FCC, UL Certified

Operating System & Licensing:
✔ Cisco IOS Version: 12.2(46)SG or later
✔ Layer 3 Capabilities: Static Routing, VLAN Routing, QoS, ACLs

Included Modules Overview:
✔ 6 x CVR-X2-SFP: Cisco 1G SFP to X2 converter module
✔ 4 x X2-10GB-SR: 10GBASE-SR 850nm multimode SFP+ optics
✔ 1 x WS-X4920-GB-RJ45: 20 x 10/100/1000Base-T RJ-45 Layer 3 Gigabit Module

Warranty & Inclusions
✔ Warranty: 3-Month Carry-In Warranty
✔ What’s in the Box?
• Cisco WS-C4900M Switch
• 2 x 1000W Power Supplies
• 6 x CVR-X2-SFP Modules
• 4 x X2-10GB-SR Modules
• 1 x WS-X4920-GB-RJ45 Module
• Power Cables Only (SFP/Gbics Not Included)

✅ Scalable & Modular – Mix copper and fiber ports with modular flexibility.
✅ Ready for Growth – Ideal for 10G migration and high-speed enterprise access.
✅ Reliable & Redundant – Dual power and enterprise-grade hardware.
✅ Feature-Rich Layer 3 – Advanced routing, VLAN, QoS, and multicast ready.