What is the PCIEX16 reading?

What is the PCIEX16 reading? pciex16 slot In this demonstration, we'll show you how to install a graphics card on a PCIe x16 slot with a pciex16 slot PCIe X16 Cable Graphics Card Support GPUs no more than 140 x 325mm GPU Slot GPU 140×325×25 CPU Maximum Height 88mm GPU Slots GPU

pciex16 slot PCIe x16: This is the largest PCIe slot with 16 data lanes PCIe x16 slots are associated with graphics cards and provide the highest bandwidth

slot deluxe gratis 22802242 M-Key x 2, 30423052 B-Key x 1 + Micro SIM Slot x 1, Mini PCIe x 1 + Micro SIM Slot x 1 PCIe x 1 pcie x16 slot, pcie x1 slot, pcie x4 slot, pcie x8 slot, which pcie slot to use, does it matter which