PCI EXPRESS SLOT PICTURE | PCIe x1-x16

These pci express slot picture are pci express x1, x4, x8, x16 as seen below :

But in this article i will discus about pci express x16. Pci express in used by the chipsets that support PCI Express, especially  the Intel 925 and 915. PCI Express has a 4GB / s up to 8GB / s bandwidth, another name of pci express x16 is PCIe x16. this pci type is a development of the AGP8X slot which we usually encounter on a mainboard that uses the Pentium 4 processor

The PCI Express* x16 graphics interface, offered by the Intel® 925X, 915G and 915P Express chipsets, provides a solution for demanding usage models. The PCI Express x16 graphics interface delivers increased bandwidth and scalability over previous generation AGP8X-based solutions. With up to 4 GB/s of peak bandwidth per direction, and up to 8 GB/s concurrent bandwidth, a platform configured with a PCI Express x16 graphics card can tackle the most demanding multimedia tasks. (The last paragraph is taken from intel.com)

PCI SLOT 
PCI EXPRESS SLOT