// PCB Board Connectors

PCIe x8 Slot 98-Pin

PCIe x8 provides eight lanes for 4 GB/s (PCIe 2.0) or 8 GB/s (PCIe 3.0). Used for high-end network cards, RAID controllers, video capture cards, and professional GPU applications.

// Specifications

Standard

PCI Express specification

Pin Count

98 (49 per side)

Lanes

8 PCIe lanes

Bandwidth

4 GB/s PCIe 2.0 per direction

Use Case

10/25GbE NICs, RAID controllers, video capture

Note

Also runs x4 and x1 cards

// Pin Reference Table

Pin	Name	Function	Type
1	PRSNT1#	Presence detect	I/O
2	12V	12V supply	PWR
4	GND	Ground	GND
11	PERST#	PCIe reset	I/O
17-32	TX Lanes 0-7	PCIe TX differential pairs lanes 0-7	BUS
49-64	RX Lanes 0-7	PCIe RX differential pairs lanes 0-7	BUS
98	PRSNT2#	Presence detect	I/O