1x2 ganged QSFP-DD cage configuration. Specifies the heat sink and pin configuration, described as 'W/ HS FIN PIN H' (with Heat Sink Fin Pin H). Identifies the Amphenol QSFP-DD (Quad Small Form-factor Pluggable Double Density) interconnect system, which is a 76-position, 0.8 mm pitch connector built for high-speed serial applications.