PCIe card dimension half-length mm × mm

1x PCI-E x16 @ x16 PCIe lanes connected to the slot · 1x PCI-E x16 @ x4 · 2x PCI-E

Primary riser connector ; Slot 2 - Full-lengthFull-height , PCIe3 x16 , PCIe3 x16 ; Slot 3 - Half-lengthFull-height (HL

pcie 50 slot 1 slot = 20mm, with the width of 110mm

pcie slot configuration gen1 gen2 gen3 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