Card edge connectors are nothing new but they typically either slot one PCBA perpendicularly into another (as in a PCI card) or hold them in parallel (as in a mini PCIe card or an m.2 SSD).

PCI Express x1 edge connector drawing with pin numbers. The basic board design for a PCIe PCB is highly reminiscent of that of PCI cards. Both use an edge connector with a similar layout.

In fact, it should be noted that like other board‐to‐board connectors, PCIe slots and corresponding card‐edge connectors are subject to a rated number of insertions/removals cycles (mating ...

Cutting-Edge Features for Demanding Applications ... featuring a unified EPS/PCIe connector setup for streamlined installation and superior cable management. This Cybenetics Platinum-certified ...

The CopprLink Cable specifications provide signaling at 32.0 and 64.0 GT/s and leverage well-established industry standard connector form factors maintained by SNIA. “The CopprLink Cable ...