What are PCIe Slots in PC?

I recently found out the T5730 thin client does NOT use a standard pin-out for its PCIe 16x slot If I had this custom pin-out, or the actual

What are PCIe Slots in PC? PCIe cards will not work in this slot It only accepts legacy PCI cards Here is the PCI-Express page on Wikipedia showing pinouts,

I recently found out the T5730 thin client does NOT use a standard pin-out for its PCIe 16x slot If I had this custom pin-out, or the actual

pcie 4 gpu in pcie 3 slot The PCI Express Mini card slot connector is often used on development boards and laptop motherboards to enable Mini-PCIe expansion cards to

I'm not 100% sure but if I remember correctly mini PCIe used in laptops for WiFi or similar has different pinout then PCIe slots on desktop

pcie 4 m2 in pcie 3 slot slot We think that they're using standard PCIe with a nonstandard slot pinout but no one has been able to get documentation on the flexLOM

New pinout details and IO information regarding Intel's PCIE Gen 5 capable slot or lane in the mobo ? Also, there aren't any