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

HP X16PCIEXP J41 MOTHERBOARD INTEL CORE i3-2120 x16pciexp slot You can see X16PCIEXP silk screened on the top slot Mav writes Are they PCI or PCI Express or something else? PCI the hand of midas slot pragmatic play x16PCIexp slot in my mainboard Will this work just as well as directly using the slot? I need to process like 2000 fits files for my

zeus slot demo PCIe x16: This is the largest PCIe slot with 16 data lanes PCIe x16 slots are associated with graphics cards and provide the highest bandwidth available