Cisco
Cisco C4KX-NM-8SFP+ 8-Port 10GE SFP+ Network Module for Catalyst 4500-X
PO and Net 30 accepted for schools, government and healthcare.
Description
Description
Cisco C4KX-NM-8SFP+ 8-Port 10G SFP+ Expansion Module
Expand your Cisco Catalyst 4500-X switch with the C4KX-NM-8SFP+ network uplink module. This fully tested, refurbished expansion module delivers eight 10 Gigabit Ethernet SFP+ ports for high-density uplink connectivity β backed by Reef Telecom's industry-leading 10-year warranty.
Key Specifications
- Part Number: C4KX-NM-8SFP+
- Ports: 8 x SFP+ (1G/10G capable)
- Data Rate: Up to 10 Gbps per port
- Form Factor: Hot-swappable plug-in module
- Transceiver Support: SFP and SFP+ (fiber & DAC)
- Condition: Refurbished β fully tested & inspected
- Warranty: 10-year Reef Telecom warranty
Compatibility
Designed exclusively for the Cisco Catalyst 4500-X series chassis, including:
- WS-C4500X-16SFP+
- WS-C4500X-24X-ES
- WS-C4500X-32SFP+
- WS-C4500X-40X-ES
- WS-C4500X-F-16SFP+
- WS-C4500X-F-32SFP+
Why Buy from Reef Telecom?
- 10-year warranty on all refurbished equipment
- Free shipping on orders over $300
- Every unit professionally tested before shipment
- Trusted B2B telecom equipment supplier
Ideal for campus backbones, data center interconnects, and building-to-building uplinks where additional 10GE port density is needed without replacing your existing Catalyst 4500-X platform.
Specs & Details
Specs & Details
- Condition
- Certified Refurbished
- Warranty
- 10-Year Reef Telecom Warranty
- Manufacturer Part Number
- C4KX-NM-8SFP+
- Reef SKU
- C4KX-NM-8SFP+
- UPC
- 647427980517
- Brand
- Cisco
Shipping & Warranty
Shipping & Warranty
Free ground shipping on orders over $300 (contiguous US). Same-day dispatch on orders placed before 4 PM EST.
All products include our industry-leading 10 Year Warranty backed by Reef Telecom.

We clean up after ourselves.
Ecommerce deliveries have a carbon footprint. That's why we support verified projects that remove carbon from the air.
Every deliveryβs carbon footprint is calculated based on weight, shipping method, and distance traveled. We neutralize these emissions by purchasing verified carbon removal credits from groundbreaking projects.
With your purchase, youβll join a community of proactive merchants and customers dedicated to a sustainable future. Together, we've removed emissions for over 87 million deliveries and removed over 60 thousand tonnes of carbon.
We work with a network of pioneering carbon removal companies that have been vetted by the commerce platform Shopify.
Reef Telecom Proudly Supports
-
Ocearch
2026 Monthly Shark Hero -
Coral Restoration Foundation
2025 Staghorn Donor -
Ocean Conservancy
2025 Donor
Smart IT. Clean Oceans. Boundless Possibilities.
We provide the highest quality refurbished equipment β extending hardware lifecycles and keeping e-waste out of the ocean.