Will my graphics card work in all PCIe slots?

Will my graphics card work in all PCIe slots? slot pci e PCI-X is generally backward-compatible with most cards based on the PCI or later standard, meaning that, a PCI-X card can be installed in a PCI slot, slot obline PCI का पूरा नाम peripheral component interconnect है इसे 1992 में इंटेल ने

slot obline A PCI slot is a built-in slot on a device that allows for the attachment of various hardware components such as network cards, modems, sound

slot online forum PCI Express is a computer expansion card standard and is used most often for video cards PCIe is intended as a replacement to PCI  However, there is usually a cost increase incurred with higher lane counts PCIe Slot Differences Photo from 20050531pci-express-cards