type of pci slots - ExpressCard - Wikipedia 888 slot 35

The PCI-SIG suggested black because it was not in use for any current peripheral card slot type when PCI Express first hit the market, and the color black was last used for the long-retired ISA peripheral card type.

AGP / PCI / PCI Express: These are three different types of slots, used to connect external peripheral devices. There is a lot of confusion between AGP, PCI, and PCI Express.

CPU slot: LGA 2011-3. Memory type: DDR4 3000/2666/2400/2133MHz. Memory slot: 8×DDR4 DIMM Expansion slots: PCI-E slot 2×PCI-E X16, PCI-E slot 2xPCI-E X1, 2x ...

Number of slots, 3 PCI 4 PCI express 16x ; Drive type, DVD-RW ; Video controller type, Intel HD Graphics 2500 ; Display resolution, 2048 x 1536 ...