I need informations about the graphiccard-slot X16PCIEXP!!!

O meu pc e antinguinho queria comprar uma placa de video, mas estou confuso pois nos slots diz x16PCIEXP ai queria a saber se ele e

The black slot under that is the pcie x16 slot that supports full x16 cards like modern video cards The white slot under that is another x16

mslt slot 99 Slot Cars · Puzzles · RC Model Vehicles, Toys & Control Line · Collectible Card HP X16PCIEXP J41 SOCKET MOTHERBOARD alkayam_energy9 ; % positive

jual toto slot HP X16PCIEXP J41 Mother Circuit Board Hewlett Packard HP X Mother Board Hewlett Packard Model #: 16PCIEXP J41 Used, untested