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InfiniBand / fibre optic cable BlueOptics BL290701X1M26-BL 1 m QSFP-DD to 2×QSFP56, male/male, black
BlueOptics BL290701X1M26-BL is a 1 m InfiniBand/fibre optic direct attach cable with a QSFP-DD male connector on one end and two QSFP56 male connectors on the other. The black, compact cable is intended for short-reach high-speed links and breakout connections between a single QSFP-DD port and two QSFP56 ports. It provides a simple physical connection for server, switch and storage hardware that requires up to 400 Gbit/s aggregated throughput over a one-meter reach.
The cable supports high aggregated bandwidth and is designed for short-distance rack and adjacent-rack interconnects where low latency and compact cabling are required. As a passive direct attach type, it delivers low power consumption and a straightforward installation without active transceivers. The single-meter length reduces excess slack in dense rack environments and its standardized QSFP-DD and QSFP56 interfaces ensure compatibility with equipment that follows common multisource agreements.
Install the cable by inserting the QSFP-DD end into the source device port and the two QSFP56 ends into the corresponding destination ports, ensuring correct orientation and secure latching. Verify that the connected hardware supports passive DAC twinax cabling and the intended transport protocol (for example, 400GBase-CR8 or 2×200GBASE-CR4) in its firmware or compatibility list. After physical connection, check link status indicators and configure the host devices as required by the network or storage setup.
Use this 1 m BlueOptics QSFP-DD to 2×QSFP56 cable for short, high-bandwidth interconnects in dense rack deployments. Confirm device compatibility with QSFP-DD/QSFP56 passive DACs and select the one-meter length when minimal cable slack and reduced latency are priorities.
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