All Series | Motherboard - GIGABYTE Global
ASUS mining motherboard features 19 PCI Express® (PCIe®) slots. With 18 PCIe x1 and one PCIe x16 slots on board, plus three zoned ATX12V power connectors, B250 ...
What Should to Do With Extra PCIe Slots? | SabrePC Blog
A motherboard comes with many PCIe slots. Additionally, the PCIe slots come in several configurations that determine how many lanes you have available on the slot.
motherboard with 2 gpu slots
If you purchase a PCIe 4.0 GPU for your system and seek to benefit from PCIe Gen 4's performance increases and reduced latency, then your motherboard will need to be populated with a PCIe 4.0 slot of appropriate lane size to support your PCIe 4.0 GPU.