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Fiber Optic Cages & Connectors
QSFP-DD Cages & Connectors
QSFP-DD Connectors

QSFP-DD Connectors

Shop LINK-PP QSFP-DD connectors — board-mount QSFP-DD receptacle connectors for host PCB layouts—1×1 and 2×1 solder / SMT footprints that mate with matching QSFP-DD cages. This leaf covers host-side connector hardware for NIC and switch designs—not QSFP28 / QSFP+ / OSFP connector leaves, and not pluggable module SKUs. Compare sibling QSFP28 Connectors or QSFP+ Connectors, return to the matching QSFP-DD Cages & Connectors cage hub, or browse Fiber Optic Cages & Connectors. Match pin count, orientation, and termination on each product page before ordering.

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Frequently asked questions

01.What are QSFP-DD connectors on this page?
This leaf lists LINK-PP QSFP-DD board-mount receptacle connectors—host PCB footprints that mate with QSFP-DD cages at the faceplate. Compare sibling QSFP28 Connectors or return to the matching QSFP-DD Cages & Connectors cage hub.
02.How do QSFP-DD connectors differ from QSFP-DD cages?
A QSFP-DD connector is the electrical receptacle soldered or SMT-mounted on the PCB; a QSFP-DD cage is the metal EMI shell that guides the pluggable module into that connector. Use this connector leaf for PCB footprints; open QSFP-DD Cages & Connectors when you need host cages and cage/connector assemblies.
03.How do QSFP-DD connectors differ from QSFP28 or OSFP connectors?
QSFP-DD connectors support double-density QSFP-DD host footprints (1×1 and 2×1 maps). QSFP28 leaves stay on the single-density QSFP28 envelope; OSFP leaves cover the OSFP form factor. Use this QSFP-DD leaf (and QSFP-DD Cages & Connectors); see QSFP28 Cages & Connectors or OSFP Cages & Connectors for those cage hubs—not transceiver rate Shop pages.
04.Is a QSFP-DD connector the same as a QSFP-DD transceiver?
No. A QSFP-DD connector is the board-mount electrical receptacle; the pluggable transceiver or DAC/AOC inserts through a mating cage into that connector. This category sells host connectors for board design—not the pluggable modules themselves.
05.Pin count, orientation, SMT vs solder—what should I check?
Confirm position count, right-angle vs vertical orientation, SMT vs through-hole solder tails, and plating against your PCB footprint and cage stack-up. For other connector families open QSFP28 Connectors or QSFP+ Connectors, or return to Fiber Optic Cages & Connectors.

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