SFP28 Direct Attach Copper (DAC) Cable CBO SFP28-DAC-2M 2m Passive

CBO SFP28-DAC-2M is a 2-meter passive SFP28 Direct Attach Copper (DAC) cable designed for short-reach 25GbE connections between switches, routers and network adapters. The fixed copper assembly connects directly to SFP28 ports and provides a straightforward, low-latency link for rack-to-rack or within-rack interconnects. This cable reduces power consumption compared with active optical modules and simplifies cabling by offering a single-piece copper solution for high-speed links.

Advantages

The passive copper construction delivers minimal latency and predictable performance for 25 Gigabit Ethernet links while maintaining low power draw. A pre-terminated, single-piece design reduces installation time and clutter in dense rack environments. Compatibility with standard SFP28 ports ensures easy integration into existing infrastructure without additional transceivers, and the 2 m length is well suited to common short-reach scenarios in data centers and server rooms.

Suitable for

• Short-reach 25GbE connections between switches
• Direct links from servers or NICs to top-of-rack switches
• Inter-rack patching in data centers and server rooms
• Low-latency connections for virtualized environments and storage networks

Key specifications

• Connector type: SFP28 to SFP28 compatible
• Length: 2 meters
• Media: Passive copper direct attach
• Data rate: 25 Gigabit Ethernet
• Form factor: Fixed, pre-terminated assembly
• Typical use: Short-reach rack and within-rack interconnects

How to use

Insert each SFP28 connector into the corresponding SFP28 port on the network devices until it clicks into place, ensuring the connectors are aligned and free of debris. Verify link status through the device LEDs or management interface. Because the cable is passive and pre-terminated, no additional configuration is required beyond standard port settings. For replacement or relocation, power down the ports if recommended by your equipment vendor, then remove and reseat the cable as needed.

Recommendations

Use this 2 m passive DAC cable for short, direct links where low latency and low power consumption are priorities. Avoid sharp bends and maintain recommended bend radii to prevent cable damage. Verify device compatibility with SFP28 direct attach copper assemblies and follow vendor guidelines for hot-plugging and port power management.