motherboard with 3 pci slots
VACON® Functional extensions
General Motherboard Information (model, chipset, slots, PCI Express and USB supported versions).
Esonic HM65/HM76 8 slots GPU Mining Motherboard Socket in Pakistan
8 GPU Mining Motherboard – B85 Detailed Description of B85 Motherboard: B85 motherboards are made up specially for mining with 8 pci express slots. You can connect maximum 6 gpu at time for mining ethereum etc.
Intel Slot 1 Computer Motherboards for sale
Vintage ASUS P3W INTEL 810 P2 P3 SLOT 1 ATX Motherboard 6x PCI with VGA.