BlueLAN DAC-Q28-S28-1M-BL QSFP28 para 4x SFP28 Cabo de Cobre Direct Attach, 1m, Preto

The BlueLAN DAC-Q28-S28-1M-BL is a high-performance passive Direct Attach Copper (DAC) breakout cable designed for high-speed data center and HPC environments. It connects a QSFP28 port to four SFP28 ports, enabling 100G to 4x25G connectivity with minimal latency and power consumption.

Advantages

This cable offers a cost-effective and reliable solution for short-range interconnects within racks or between adjacent racks. Its passive design ensures zero power draw, while the breakout configuration maximizes port utilization on switches and servers. The black color and robust copper construction provide durability and easy identification.

Suitable for

• High-Performance Computing (HPC) clusters
• Data center top-of-rack to server connections
• InfiniBand networks requiring 100G to 4x25G breakout
• BlueLAN compatible systems

Key specifications

• Cable Type: Direct Attach Copper (DAC), Passive
• Connector A: 1x QSFP28
• Connector B: 4x SFP28
• Length: 1 meter (3.3 feet)
• Data Rate: 100 Gbps aggregate (4x 25 Gbps per lane)
• Technology: InfiniBand
• Color: Black
• Impedance: 100 Ohm
• Compliance: SFF-8665, SFF-8402
• Hot-Swappable: Yes

Recommendations

For optimal performance, ensure both ends are compatible with QSFP28 and SFP28 standards. This cable is ideal for short-distance, high-bandwidth links within a single rack or between adjacent racks. Always verify system compatibility before deployment.