Cabo Direct Attach SFP28 CBO SFP28-DAC-5M-QN-BL 5 m macho-macho 25 Gbit/s

The BlueOptics SFP28 Direct Attach Cable SFP28-DAC-5M-QN-BL is a 5 meter, male-to-male copper cable designed for 25 Gbit/s short-range interconnects. It provides a fixed electrical connection between SFP28 ports on switches, servers and network appliances without the use of optical transceivers. The direct attach design reduces latency and power consumption compared with active optical links and is intended for high-density rack and data center environments where reliable, high-speed connections are required.

Advantages

This SFP28 DAC delivers a low-latency, single-segment connection optimized for 25 Gigabit Ethernet links. The passive copper construction simplifies deployment by eliminating the need for separate optical modules and fiber patch cords, while maintaining signal integrity over the 5 m distance. Its male-to-male SFP28 connectors ensure compatibility with standard SFP28 ports and support high-density rack layouts with predictable electrical performance.

Suitable for

• Short-range switch-to-switch connections in data centers
• Server-to-switch links inside racks
• Interconnects for network appliances and top-of-rack switches
• High-density aggregation and spine-leaf architectures

Key specifications

• Data rate: 25 Gbit/s
• Length: 5 meters
• Connector type: SFP28 male-to-male
• Media type: Direct attach copper (passive cable)
• Typical use: Short-range electrical interconnects

How to use

Insert each male SFP28 connector into the corresponding SFP28 port on your switch, server or network appliance until the latch engages. Ensure devices are powered down or ports are in a safe state during installation if required by your equipment procedures. After insertion, verify link status via device LEDs or management interfaces and confirm negotiated link speed of 25 Gbit/s. To remove, depress the connector latch and pull the cable straight out to avoid bending the port or cable boot.

Recommendations

Use the cable for short, fixed connections within racks or between adjacent racks; avoid routing beyond the specified 5 m length for reliable performance. Maintain proper bend radius and secure cable runs to prevent strain on SFP28 ports. For environments with electrical noise or longer distances, consider assessing alternative optical or active cabling solutions.