These modems would often slot into a Mini PCI-e slot in the netbook motherboard. [delokaver] figured out how to use these 3G cards over USB instead. It’s actually a fairly straightforward hack.

This showed that the Raspberry Pi would happily talk with a VL805-based USB 3.0 PCIe expansion card, as well as a Realtek RTL8111-based Ethernet card, but not a number of other PCIe cards.

This can come in the form of a USB device that plugs into the USB port, or alternatively it can take the shape of PCIe - a Peripheral Component Interconnect Express - which typically slots ...

which uses an Intel JHL9580 Thunderbolt 5 controller over the PCIe 4.0 x4 interface. It features three Mini-DisplayPort ports ...