Mellanox Direct Attach Cable - QSFP28 to SFP28 - 5 m

The Mellanox MFA7A50-C005 is a high-performance direct attach cable designed for data center and high-performance computing environments. This 5-meter cable features a QSFP28 connector on one end and an SFP28 connector on the other, enabling seamless connectivity between 100GbE QSFP28 ports and 25GbE SFP28 ports. It supports both InfiniBand EDR and Ethernet protocols, making it a versatile solution for modern network infrastructures.

Advantages

This cable offers a cost-effective and low-power alternative to optical transceivers, with a power consumption of less than 3.5W per end. Its hot-swappable design ensures minimal downtime during installation or replacement. The fiber optic construction provides reliable, high-speed data transmission over the 5-meter length, while the PVC jacket ensures durability and flexibility for easy routing in tight spaces.

Suitable for

• Data center interconnects
• High-performance computing (HPC) clusters
• Mellanox/NVIDIA InfiniBand and Ethernet switches and adapters
• 100GbE to 25GbE breakout applications

Key specifications

• Cable Type: Active Optical Cable (AOC)
• Connector Type (End 1): QSFP28
• Connector Type (End 2): SFP28
• Data Rate: 100 Gigabit Ethernet (100GbE)
• Protocol Support: InfiniBand EDR, Ethernet
• Cable Length: 5 meters
• Cable Material: Fiber Optic
• Jacket Material: PVC
• Hot-Swappable: Yes
• Power Consumption (per end): < 3.5W
• Compliance: RoHS, SFF-8665 (QSFP28 MSA)
• Operating Temperature: 0°C to 70°C
• Voltage: 3.3V

Recommendations

For optimal performance, use this cable with Mellanox/NVIDIA switches and adapters that support QSFP28 and SFP28 interfaces. Ensure proper handling to avoid damage to the fiber optic connectors. This cable is ideal for short-reach, high-bandwidth connections within racks or between adjacent racks.