Dell DAC cable SFP28 to SFP28 25GbE, 3 m

Dell DAC cable SFP28 to SFP28 25GbE, 3 m is a Direct Attach Copper (DAC) cable with SFP28 connectors on both ends, designed to deliver 25 Gigabit Ethernet links over a 3-meter copper assembly. The cable provides a short-reach, low-latency physical connection between compatible network switches, routers and servers with SFP28 ports. As a fixed-cable solution that integrates connectors and copper conductors, it eliminates the need for separate optical transceivers and optical fiber, simplifying rack-level cabling and reducing per-link power and cost for data center and enterprise environments.

Advantages

The Dell DAC cable supports native 25GbE data rates with minimal insertion loss and low latency, offering a cost-effective and power-efficient alternative to transceiver plus fiber solutions for short distances. The integrated SFP28 connectors ensure compatibility with systems that accept SFP28 direct-attach assemblies. The 3 m length provides flexibility for connections within racks or between adjacent racks while maintaining signal integrity. By removing separate optics, the cable reduces component count, simplifies installation and can lower total link cost in high-density deployments.

Suitable for (tasks / use cases)

• Direct server-to-switch connections in rack-level deployments
• Inter-switch links for adjacent racks and top-of-rack (ToR) architectures
• High-speed uplinks between routers and switches with SFP28 ports
• Short-range 25GbE connectivity in data centers and enterprise wiring closets

Key specifications

• Manufacturer: Dell
• Model / MPN: 470-ACEU-RFB
• Connector type: SFP28 to SFP28
• Maximum data rate: 25GbE
• Cable type: Direct Attach Copper (DAC)
• Length: 3 m
• Use case: Short-reach, rack-level high-speed connections

How to use

Verify that both network endpoints have SFP28 ports and that the devices support DAC modules or direct-attach cables. With the devices powered down or following hot-swap guidance from the equipment vendor, insert each SFP28 connector into the corresponding SFP28 port until the connector latches. Power up the devices if required and check link status through device LEDs or management interfaces. Confirm negotiated speed is 25GbE and monitor link stability using switch/router diagnostics. For removal, depress the connector latch and gently withdraw the cable.

Usage recommendations

Use the Dell SFP28 DAC cable for short-distance connections within the same rack or between adjacent racks to maintain optimal signal performance. Avoid tight bends and excessive pulling; follow the manufacturer's minimum bend radius guidelines. Confirm compatibility with the specific switch or server model and firmware version before deployment to ensure supported link training and link up at 25GbE.