ASR5K-042GE-LX-K9 Cisco Quad-Ports 1Gbps 1000Base-LX/LH4 Single-mode Fiber Optical Fiber Gigabit Ethernet SFP Expansion Module

Elevate your network performance with the Cisco ASR5K-042GE-LX-K9, a premium single‑mode fiber SFP expansion module that delivers reliable connectivity for demanding enterprise environments. Designed for seamless integration into Cisco’s robust ecosystem, this module ensures low latency, exceptional signal integrity, and effortless scalability across your data center or campus infrastructure. Whether you’re expanding bandwidth, connecting remote sites, or reinforcing critical links, the ASR5K-042GE-LX-K9 offers unmatched durability and compatibility, backed by Cisco’s industry‑leading support and engineering excellence for optimal performance and reliability.