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PCIe Slots (x16) and (x1)

Hey guys,

I was just wondering what the difference between PCIe Slots (x1) and (x16) were as shown on this computer in the expansion slot on it:

http://www.pcworld.co.uk/gbuk/desktop-pc-monitors/desktop-pcs/desktop-pcs/hp-pavilion-500-152ea-desktop-pc-21732511-pdt.html

Thanks very much.
3 answers Last reply Best Answer
More about pcie slots x16
  1. Best answer


    PCIe x16 is the longest and fastest and is normally used for GPUs. PCIe x1 is the shortest, slowest and normally used by slower peripherals such as sound cards, NICs etc.
  2. jimmysmitty said:


    PCIe x16 is the longest and fastest and is normally used for GPUs. PCIe x1 is the shortest, slowest and normally used by slower peripherals such as sound cards, NICs etc.


    Thank you very much!
  3. A X16 slot is for a discrete graphics card.
    The x1 slots are for add in cards.
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