Cisco WS-X4920-GB-RJ45 Catalyst 4900 20-Port Gigabit Ethernet RJ45 Module
Every WhaleyComm unit is professionally tested, reset to factory defaults, and certified by our in-house engineers — the same standard trusted by 5,000+ organisations across 25 years. Not a refurb marketplace. A certified lifecycle partner.
Tested to factory specification. Backed by 25 years of enterprise trust.
Cisco WS-X4920-GB-RJ45 – Catalyst 4900 20-Port Gigabit Ethernet RJ45 Module
Tested to factory specification. Backed by 25 years of enterprise trust.
The Cisco WS-X4920-GB-RJ45 is a high-performance 20-port Gigabit Ethernet RJ45 line card designed for use with the Cisco Catalyst 4900 Series switches. Purpose-built for enterprise-grade network deployments, this module delivers reliable, wire-speed Gigabit connectivity through standard copper RJ45 interfaces — making it an ideal solution for high-density access layer aggregation and data center environments.
This unit is offered in professionally refurbished condition by WhaleyComm, fully tested and validated to meet original Cisco factory specifications. Each module undergoes rigorous inspection and functional testing before shipment, ensuring you receive enterprise-grade performance at a significant cost savings over new hardware.
Product Details
- Manufacturer / Vendor: Cisco
- MPN (Manufacturer Part Number): WS-X4920-GB-RJ45
- Product Type: Module / Line Card
- Interface: 20 x 1G RJ45 Copper Gigabit Ethernet Ports
- Compatible Platform: Cisco Catalyst 4900 Series
- Condition: Refurbished – Tested to Factory Specification
Key Features
- 20 x Gigabit Ethernet RJ45 copper ports for high-density connectivity
- Wire-speed performance for demanding enterprise and data center workloads
- Plug-and-play compatibility with Cisco Catalyst 4900 Series switches
- Supports standard Cat5e/Cat6 cabling infrastructure
- Fully refurbished and tested to original Cisco factory specifications
- Ideal for network expansion, upgrades, and replacement deployments
Why Buy Refurbished from WhaleyComm?
At WhaleyComm, we have spent 25 years and served over 5,000+ enterprise customers delivering reliable, thoroughly tested networking hardware. Every unit we sell — including this Cisco WS-X4920-GB-RJ45 — is inspected, cleaned, and validated to perform exactly as it would fresh from the factory. You get the same enterprise performance at a fraction of the cost of new equipment.
Lifetime Warranty
Every WhaleyComm unit ships with our industry-leading Lifetime Warranty — No Time Limits. No Questions Asked. If this module fails under normal operating conditions at any point, we replace it. Simple as that. It's our commitment to you, backed by 25 years of enterprise trust.
Shipping & Returns
- Shipping: Orders ship within 1–2 business days.
- Returns: Contact our support team for DOA (Dead on Arrival) or warranty-related issues. We make it right.
Upgrade your Cisco Catalyst 4900 infrastructure today with the WS-X4920-GB-RJ45 — enterprise performance, lifetime protection, and the WhaleyComm guarantee.
