pci express expansion slots

PCI Express (Peripheral Component Interconnect Express), officially abbreviated as PCIe or PCI-E, [2] is a high-speed serial computer expansion bus standard, meant to replace the older PCI, PCI-X and AGP bus standards.

PCIe/104 to 4 or 2 Mini PCI Express Card Expansion

PCI Express to PCI Express expansion with 3 PCIe x8 Gen-3 slots. ... PCI Express to PCI Express Expansion with PCIe 3 x8 Gen-3 slots.