Does PCIe x1 mean a standard height and full length?

Does PCIe x1 mean a standard height and full length? pcie slot size Looks like most recent ATX motherboards have a dramatically reduced number of PCIe slots pcie 20 x16 slot Not to be confused with the length of motherboard PCIe slots , the GPU slot type refers to how many PCIe slots a

pcie 20 x16 slot Most computers made after 2005 come with PCI-E slots These can be difficult to identify, as the length of the slot can vary These

pcie cem slot 1 slot = 20mm, with the width of 110mm  The slot is physically a V PCI slot, with exactly the same size, location and pin assignments Also, PCI-X slots are longer than PCIe 1x through PCIe