PCI Express slot with up to sixteen lanes.
PCI Express slot with up to sixteen lanes.
PCI Express slot with eight lanes.
PCI Express slot with four lanes.
Expansion slot using PCI Express lanes.
High-speed PCI extension used mainly in servers.
Older expansion slot for peripheral cards.
Motherboard connector for an expansion card.
Plated PCB edge contacts used for expansion cards.
Connector contacts positioned along a PCB edge.
Everything is a system, and every system contains systerms.