Expansion Slots; Pci Express X1 Slots - Zotac nForce 610i-ITX User Manual

Expansion Slots

The NVIDIA MCP73 motherboard contains one expansion slot, one PCI Express x1
slot.
PCI Express x1 Slots(optional)
There is one PCI Express x1 slot that is designed to accommodate less bandwidth-
intensive cards, such as a modem or LAN card. The x1 slot provides 250 MB/sec
bandwidth.