Intel® X4DACBL1 compatible 40GBase-CU QSFP+ to 4xSFP+ direct attach cable (Passive Copper, 1m). A 100% Intel® compatible 40GBase-CU QSFP+ to 4xSFP+ twinax direct attached cable that operates over passive copper, with a maximum reach of 1.00m (3.28ft). This Intel® compatible twinax cable has been programmed, uniquely serialized, and data-traffic and application tested to ensure it is 100% compliant and functional. Our direct attached cable will initialize and perform identically to Intel's cable and is built to meet or exceed Intel's specifications, and comply with MSA (Multi-Source Agreement) standards. The actual part shipped may have a different part number, but will be functionally identical and 100% compatible. Trade Agreements Act (TAA) versions of this part are available.