DTechs

PCI Express

PCI ( Peripheral Component Interconnect Express ) 

The pin numbers based on the “x” factor

Number of PinsLength
PCI Express x11825 mm
PCI Express x43239 mm
PCI Express x84956 mm
PCI Express x168289 mm

The bandwidth based on the PCIe technology:

Bandwidth (per lane)Bandwidth (per lane in an x16 slot)
PCI Express 1.02 Gbit/s (250 MB/s)32 Gbit/s (4000 MB/s)
PCI Express 2.04 Gbit/s (500 MB/s)64 Gbit/s (8000 MB/s)
PCI Express 3.07.877 Gbit/s (984.625 MB/s)126.032 Gbit/s (15754 MB/s)
PCI Express 4.015.752 Gbit/s (1969 MB/s)252.032 Gbit/s (31504 MB/s)