BlueLAN DEM-CB100Q28-4S28-3-BL 100GBASE-CR4 QSFP28 to 4x25GBASE-CR SFP28 Direct Attach Breakout Cable, 3m

The BlueLAN DEM-CB100Q28-4S28-3-BL is a high-performance passive copper direct attach breakout cable designed for 100 Gigabit Ethernet connectivity. It converts a single QSFP28 port into four independent 25GBASE-CR SFP28 links, enabling flexible and cost-effective network upgrades in data centers and enterprise environments. This cable is compatible with D-Link DEM-CB100Q28-4S28-3 and offers reliable, low-latency connections for high-speed data transmission.

Advantages

This breakout cable provides a seamless solution for migrating from 25G to 100G infrastructure without replacing existing cabling. Its passive design ensures ultra-low power consumption and zero latency, making it ideal for energy-efficient data centers. The cable is hot-swappable and supports plug-and-play installation, reducing deployment time and complexity.

Suitable for

• Data center interconnects
• Server-to-switch connections
• Switch-to-switch uplinks
• High-performance computing clusters
• Network upgrades from 25G to 100G

Key specifications

• Cable Type: Direct Attach Cable (DAC)
• Configuration: Breakout Cable (1x QSFP28 to 4x SFP28)
• Technology: Passive Copper
• Aggregate Data Rate: 100 Gbps
• Breakout Data Rate: 4x 25 Gbps
• Connector A: QSFP28
• Connector B: 4x SFP28
• Standard (100G End): 100GBASE-CR4
• Standard (25G End): 25GBASE-CR
• Cable Length: 3 Meters
• Compatibility: D-Link DEM-CB100Q28-4S28-3 Equivalent
• Hot Swappable: Yes
• Power Consumption: Ultra-low (Passive)

Recommendations

For optimal performance, ensure that both ends of the cable are connected to compatible QSFP28 and SFP28 ports. This cable is ideal for short-reach, high-bandwidth applications within racks or adjacent racks. Always handle the cable with care to avoid damage to the connectors.