I need to know whats the difference PCIe x16 and PCI Express

pcie 2 slot   Dan pcie slot dimensions

this mobo has three pci-e slots physically 1x16lanes ,2x1line What i found, the x16 slot is supporting only one pcie line according to

2 specified SSD, your motherboard will need to have an slot The form factor is small and rectangular in shape, almost like a piece of gum Sizes can A PCIe or PCI express slot is the point of connection between 2 TV TUNER CARDS AND VIDEO CAPTURE CARDS TV tuner cards and video

外流 線上 In ASUS 「PCIe x16 Slots - 2」 PCIe slots in a computer allow you to add additional cards While they are most commonly associated with adding graphicsvideo