While upgrading a graphics workstation, a technician notes that the motherboard includes one full-length PCI Express ×16 slot intended for high-bandwidth expansion cards. To obtain the best graphics performance and ensure compatibility, which type of add-in card should the technician install in that slot?
High-end GPUs are designed for the PCI Express ×16 interface. A PCIe ×16 graphics card can use all 16 lanes provided by the slot, delivering far more bandwidth than legacy PCI or AGP cards and far more than a PCIe ×1 device. Installing any other card type in this slot would either fail (AGP, which is physically different), operate at lower bandwidth (PCI, PCIe ×1), or fail to provide GPU functionality.
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What is a PCIe ×16 slot?
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How does a PCIe ×16 graphics card differ from AGP and PCI cards?
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Why can’t a PCIe ×1 card or AGP card work effectively in a PCIe ×16 slot?