Dell Networking Cable, SFP28 to SFP28, 25GbE, Passive Copper Twinax Direct Attach Cable, 2 Meter

Overview

The Dell 470-ACFB is a passive copper Twinax direct attach cable designed to connect SFP28 ports for 25GbE data transmission over a 2 meter distance. It provides a reliable and low-latency link between Dell switches, servers, and storage devices without requiring additional power or active components. This cable is ideal for short-range connections within racks or between adjacent racks, supporting high-speed data center environments efficiently.

Key features

• Passive copper Twinax design that eliminates the need for external power, reducing energy consumption and heat generation.
• Certified by Dell to ensure full compatibility and seamless integration with Dell enterprise networking, server, and storage platforms.
• Low latency connection that supports high throughput with minimal signal degradation, maintaining strong bit error rate performance.
• Compact form factor that helps maintain clear airflow in dense rack environments by avoiding bulky optical transceivers.
• Maintains Dell warranty and technical support coverage, providing confidence in deployment and ongoing reliability.
• Simple plug-and-play installation that enables quick setup and reduces downtime during network expansions or upgrades.

Key specs

• Interface: SFP28 to SFP28
• Data rate: 25 Gigabit Ethernet (25GbE)
• Cable type: Passive copper Twinax
• Length: 2 meters
• Compatibility: Certified for Dell switches, servers, and storage devices
• Latency: Minimal added latency due to passive design

Connectivity and compatibility

This cable is designed specifically for Dell enterprise hardware, ensuring that firmware handshakes, diagnostic tools, and management software recognize the connection as native. It supports direct attachment between SFP28 ports on Dell networking switches and adjacent servers or storage units, making it a practical choice for data centers focused on maximizing port density and throughput.

Ideal uses and environments

The 470-ACFB cable fits well in data center racks where short-distance, high-speed connections are needed without increasing power or cooling demands. It is a strong choice for network engineers and administrators who require reliable, low-latency links between top-of-rack switches and nearby devices. This cable supports efficient infrastructure scaling while preserving warranty and support benefits from Dell.