Motherboard connector for an expansion card.

Splitting one PCIe slot into multiple lane groups.

Copper area connected to electrical ground.

Organic solderability preservative PCB finish.

Older expansion slot for peripheral cards.

Capability to add or remove PCIe devices while operating.

Individual conductive or insulating layer within a PCB.

PCB surface finish using a thin tin layer.

High-speed PCI extension used mainly in servers.

First-generation PCI Express.