What is PCIe? Understanding PCIe Slots, Cards and Lanes

Riser Cards and PCIe Slots pcie slot width These transfer speeds are in serial bits per second To encode bytes, PCIe V1 and V2 use 8B10B encoding, so you need 10 serial transfers for one pcie 40 in 30 slot Slot Size refers to the size of the physical PCIe slot Lane Width refers to the number of PCIe lanes supported by the physical slot Larger slots can support

pcie x 16 slot the rate and width and PCLK rate, can be changed simultaneously As an example, both of these cases could occur when a x4 device is plugged into a x8 slot