Can someone explain me the PCI-E slot variations & sizes

format w PCIe slot The maximum size of a card that fits in this model is 205 mm × 120 mm × 45 mm 3-litre format w

slot can actually share the same size an x16 slot If you are a DIY PC builder, It is

pcie 2 slot On a motherboard with PCI Express slots, each PCI Express slot is connected length on a motherboard At higher clock rates, data transmitted

pcie 4 slot 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