How to find out if your computer has a PCI express x16 slot

The MS-01 is equipped with a PCIe x16 slot, allowing for the installation of high-performance external GPUs, network cards, storage controllers, and other

Both the blue slots are PCIe x16 The difference is that the 2nd PCIe 16x is capable of wiring

1sbo slot PCIe can handle 40Gb Ethernet with an 8-lane configuration, and can handle 100Gb Ethernet with a x16 PCIe vs :

128sport slot 2 slots with x4 PCIE lanes each