Tripp Lite SFP28 to SFP28 25GbE Passive Twinax Copper Cable (M/M), SFP-H25G-CU3M Compatible, Black, 3 m (9.8 ft.)

Overview

The Tripp Lite N280-03M-28-BK is a passive twinax copper cable designed to connect two SFP28 ports at 25 Gigabit Ethernet speeds over a 3-meter distance. It provides a cost-effective and energy-efficient solution for linking top-of-rack switches to servers, storage devices, or adjacent switches without the need for optical transceivers. This cable is ideal for data centers and enterprise environments where reliable, high-speed connections are essential.

Key features

• Delivers 25 GbE performance using passive twinax copper, reducing power consumption and heat generation compared to active or optical cables
• 3-meter length offers flexibility for short-reach connections within racks or between neighboring racks, supporting neat cable management
• Compatible with major SFP28 platforms including Cisco, Arista, Dell, Juniper, and Mellanox, ensuring broad interoperability
• Zinc die cast connectors provide robust shielding against electromagnetic interference common in dense data center environments
• Large pull tabs on connectors enable easy removal even in high-density port configurations, simplifying maintenance and upgrades
• Meets industry standards SFF 8432 and IEEE 802.3by for guaranteed compatibility and performance
• Passive design eliminates the need for external power, reducing points of failure and improving overall system reliability
• Durable PVC jacket allows for flexible routing around airflow paths and cable organizers without compromising cable integrity
• Backed by a lifetime limited warranty, providing confidence for long-term deployments in demanding network environments

Key specs

• Data rate: 25 Gigabit Ethernet (25 GbE)
• Cable type: Passive twinax copper
• Length: 3 meters (9.8 feet)
• Connector type: SFP28 direct-attach (male to male)
• Connector material: Zinc die cast
• Standards compliance: SFF 8432, IEEE 802.3by
• Jacket material: PVC
• Color: Black

Connectivity and compatibility

This cable is designed to work seamlessly with a wide range of network hardware that supports SFP28 interfaces. It fits well in leaf-spine network architectures, hyper-converged infrastructure clusters, and lab test setups. The adherence to SFF 8432 and IEEE 802.3by standards ensures plug-and-play operation with equipment from leading vendors such as Cisco, Arista, Dell, Juniper, and Mellanox.

• Compatible with SFP28 ports on switches, servers, and storage devices
• Supports direct-attach copper connections without additional transceivers
• Works in high-density rack environments thanks to compact connectors and easy-release pull tabs

Ideal uses and environments

This cable is a strong choice for data center professionals and network administrators who need reliable, high-speed connections over short distances. It fits well in enterprise data centers, university research labs, and cloud hosting facilities where minimizing power consumption and heat output is critical. Its passive design and durable construction make it suitable for environments that demand stable and maintenance-friendly cabling solutions.