BlueOptics Compatible Gigamon QSFP28-4SFP28-DAC-1M BlueLAN Passive 100GBASE-CR4 QSFP28 to 4x25GBASE-CR SFP28 Direct Attach Breakout Cable, 1 Meter, AWG26 (Q28-4S28-DAC-1M-GM-BL)

The BlueOptics Q28-4S28-DAC-1M-GM-BL is a high-performance passive Direct Attach Copper (DAC) breakout cable designed for Gigamon networking equipment. It converts a single QSFP28 port into four SFP28 ports, enabling 100 Gigabit Ethernet connectivity over twinax copper. Ideal for data center interconnects and high-speed networking, this cable supports 100GBASE-CR4 and 25GBASE-CR standards with a length of 1 meter (3.3 ft) and 26 AWG wire gauge.

Advantages

Cost-effective and low-power solution for high-speed data transmission. Passive design ensures zero power consumption (<0.1W) and hot-swappable connectors for easy deployment. Compatible with Gigamon switches and routers, providing seamless integration into existing networks.

Suitable for

• Data center top-of-rack and end-of-row connections
• High-performance computing clusters
• Enterprise network aggregation
• Cloud and service provider infrastructures

Key specifications

• Cable Type: Direct Attach Copper (DAC) Breakout
• Connector A: 1x QSFP28
• Connector B: 4x SFP28
• Data Rate: 100 Gbps aggregate (4x 25 Gbps per lane)
• Standards: 100GBASE-CR4 (QSFP28), 25GBASE-CR (SFP28)
• Length: 1 Meter (3.3 ft)
• Wire Gauge: 26 AWG
• Passive, no external power required
• Compliance: SFF-8665 (QSFP28), SFF-8402 (SFP28)

Recommendations

For optimal performance, use with Gigamon switches that support breakout mode. Ensure proper cable management to avoid bending beyond the minimum bend radius. This cable is not compatible with active optical cables or direct attach cables of different standards.