Cisco Catalyst 4500 WS-C4500X-16SFP+ Cisco Catalyst switch

Brand: Cisco | Category: Network Switches

SKU: CSC-WS-C4500X-16SFP | Part #: WS-C4500X-16SFP+ | MPN: WS-C4500X-16SFP+

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The Cisco Catalyst 4500X-16SFP+ (part number WS-C4500X-16SFP+) is a 1U rack-mounted network switch delivering sixteen 10 Gigabit Ethernet SFP+ ports with no uplink breakout or stacking ports—a straightforward, high-density 10G fabric designed for organizations that need pure port count in a minimal footprint. With 320 Gbps of switching capacity and a forwarding rate of 238 million packets per second, this Cisco platform handles sustained east-west traffic in mid-scale data centre deployments, virtualized environments, and campus networks where 10 Gigabit endpoints are the standard rather than the exception.

Network engineers and infrastructure architects favor the Catalyst 4500X series when they need a balance between performance, manageability, and cost-per-port economics. The WS-C4500X-16SFP+ runs Cisco IOS-XE, providing access to proven routing protocols including OSPF, EIGRP, and BGP, alongside Layer 2 constructs like RSTP and MST for loop prevention and traffic engineering. The switch maintains 24,000 hardware-based IPv4 routing table entries and 12,000 IPv6 entries, sufficient for enterprise networks with moderate route complexity, though not designed for carrier-scale or full internet routing tables. This hardware-based routing avoids the CPU bottleneck that can plague software-forwarded designs, ensuring consistent latency and throughput even during control plane activity.

Security and data protection are built into the platform. IEEE 802.1AE hardware MACsec encryption protects frames in-flight across the network fabric without consuming switch CPU resources, critical for regulated environments handling sensitive data across geographically distributed sites. Cisco TrustSec integration enables granular access control policies tied to user and device identity rather than IP addresses alone, reducing the attack surface when new services are provisioned. The switch supports 802.1X port-based authentication, allowing network access only to authenticated endpoints, and the MAC address table of 55,000 entries prevents ARP spoofing and broadcast storms in networks with thousands of connected devices.

Operational resilience is a standard feature. Dual hot-swappable power supplies (with the optional second PSU) eliminate single points of failure in the power distribution path, allowing maintenance or upgrades without downtime. Support for jumbo frames up to 9,198 bytes enables efficient bulk data transfer in applications like database replication, backup, and storage I/O, where larger frames reduce CPU overhead per byte transmitted. Out-of-band management via a dedicated Ethernet port, combined with console and USB interfaces, ensures you can access the switch even during network faults. NETCONF and YANG-based programmability allow the switch to integrate into infrastructure-as-code workflows and SDN orchestration platforms, reducing manual configuration and enabling rapid deployment at scale across multiple sites.

The Catalyst 4500X-16SFP+ is purpose-built for data centre ToR (top-of-rack) roles, enterprise core aggregation, and service provider edge deployments where 10G density matters more than ultra-high-speed uplinks. The compact 1U form factor (44 mm × 444 mm × 503 mm) fits standard 19-inch racks without modification. Power consumption and thermal output are reasonable for enterprise environments rated to 45 degrees Celsius ambient, typical of cooled data centre spaces but not extreme edge or outdoor deployments. The part number WS-C4Windows-16SFP+ has been in production long enough to have mature software support and widespread parts availability, making it a low-risk choice for refresh cycles or greenfield builds where proven technology and vendor support matter.

Interface and Performance Summary

• 16 × 10 Gigabit Ethernet SFP+ ports with no dedicated uplink or stacking interfaces
• 320 Gbps aggregate switching capacity and 238 Mpps forwarding rate for consistent throughput under load
• Hardware-based IPv4 and IPv6 routing with 24,000 and 12,000 routing table entries respectively
• IEEE 802.1AE MACsec encryption, 802.1X authentication, and Cisco TrustSec for policy-driven access control
• Dual hot-swappable PSU support and redundant management paths (console, USB, dedicated out-of-band Ethernet)
• Jumbo frame support up to 9,198 bytes and 55,000 MAC address table entries
• IOS-XE operating system with NETCONF/YANG programmability for orchestration and multi-site automation
• 1U rack form factor rated 0–45°C ambient operating temperature with 100–240V AC input

Omnixon Global supplies the Cisco Catalyst 4500X-16SFP+ and the full range of Catalyst switches to data centres, AI labs, and enterprise networks across the GCC, Asia, and Europe. As a trusted distributor based in Dubai, we maintain local inventory, provide pre-configuration services, and connect you directly with Cisco technical resources for deployment planning and post-sale support. If you are evaluating this switch for a campus refresh, data centre refresh, or new site buildout, we invite you to submit a formal request for quotation. Our team will work with your procurement and network engineering departments to confirm specification, delivery terms, and integration with your existing infrastructure.