TITLE: PRINTED CIRCUIT ALLOWING TO HAVE A BELLY-TO-BELLY QSFP CONNECTOR WITH A QSFP-DD CONNECTOR AND ASSOCIATED SYSTEM One aspect of the invention relates to a printed circuit comprising a first and a second face, opposite to the first face, a plurality of through vias and a plurality of pads, said printed circuit being characterized in that it comprises a first subset of pads allowing connection with a first connector chosen from among a QSFP connector and a QSFP-DD connector, on the first face and a second subset of pads included in the plurality of pads, allowing connection with a second connector, chosen different from the first connector from among the set of connectors, on the second face, said second subset being offset by relative to the first subset of pads along a longitudinal axis of the printed circuit, so that no pad of the second subset of pads is facing a pellet of the first subset of pellets. Figure to be published with the abstract: Figure 7
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