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2025 / 08 / 11

OSFP-XD Pluggable Connectors are Finding a Home

OSFP-XD (Octal Small Form Factor Pluggable-eXtended Density) pluggable interface announced by the OSFP MSA in 2021, expanded the number of bi-directional electrical lanes from eight to 16 by creating two rows of 60 contacts each. Operating at 100 Gb/s per lane provides 1.6 Tb/s density with the potential of 3.2 Tb/s capability at a future 200 Gb/s per lane rate. However, the OSFP-XD profile is not backward compatible with OSFP or QSFP which may restrict adoption to new system design. The level of technical support may be more limited and the cost of OSFP-XD modules may be higher due to the current relatively smaller supplier base.

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