Accelerated Graphics Port

AGP
Accelerated Graphics Port
	Universal AGP slot (brown, top), 2 PCI 2.2 slots (white beige, middle), and CNR slot (brown, bottom)
Year created	1997
Created by	Intel
Supersedes	PCI for graphics
Superseded by	PCI Express (2004)
Width in bits	32
No. of devices	One device per slot
Speed	Half-duplex; Up to 2133 MB/s
Style	Parallel

Accelerated Graphics Port (AGP) is a parallel expansion card standard, designed for attaching a video card to a computer system to assist in the acceleration of 3D computer graphics. It was originally designed as a successor to PCI-type connections for video cards. Since 2004, AGP was progressively phased out in favor of PCI Express (PCIe), which is serial, as opposed to parallel; by mid-2008, PCI Express cards dominated the market and only a few AGP models were available, with GPU manufacturers and add-in board partners eventually dropping support for the interface in favor of PCI Express.

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