What are the dimensions of a PCI card?

I have the Dimension 8400 Page 108 in the owners manual says that it has an pci-e x16 slot and one pci-e x1 slot The ATI Radeon X300 video

PCIe slot of appropriate lane size to support your PCIe GPU Otherwise, your PCIe GPU will be stuck with previous-generation

pcie slot sizes PCIe adapters and slots come in 4 different sizes: 1x, 4x, 8x, and 16x Smaller size adapters do fit in larger slots, but larger size adapters do not fit in

pcie x 16 slot Card capacity and size · Slot 1: up to x16 lanes · Slot 2: up to x8 lanes · Slot 3: up to x16 lanes · Slot 4: up to x16