About PCI and PCIe x16 slot

  1. Hi friends,

    I am not a computer savvy and all I wanted to know what is PCI, PCle x16, PCle x1 slot. As, my mother board had came up with these facilities and I don't know what the use of this slots and how can they helpful for me. So need a detailed explanation over these structures.

    Has my mother board has 1 x PCle x16 slot
    1 x PCle x1 slot
    2 x PCI slots
  2. Jad Chaar

    Jad Chaar TS Evangelist Posts: 6,477   +965

    The PCIe x16 slot is for GPUs, it is the highest bandwidth of them all. I can explain more later, I am in a rush now.
  3. slh28

    slh28 TechSpot Paladin Posts: 1,706   +170

    As JC explains the PCI-E x16 is usually for dedicated graphics cards, the others can be for sound cards, wireless cards, TV tuners, etc.
    Jad Chaar likes this.
  4. Jad Chaar

    Jad Chaar TS Evangelist Posts: 6,477   +965

  5. mailpup

    mailpup TS Special Forces Posts: 6,980   +362

    Although the PCI-E x 16 slot is usually used for graphics cards, you can also fit PCI-E x 1 or PCI-E x 4 cards too. Since some motherboards have more than one PCI-E x 16 sized slot (though they may run at x 8 or less), you can make use of them for other expansion cards if you aren't running multiple graphics cards.
  6. SNGX1275

    SNGX1275 TS Forces Special Posts: 10,715   +397

    A simple "PCI" slot is pretty much worthless today. They are just included for 'legacy' purposes. Pretty much, if you don't know you need a regular PCI slot, then you don't need one. Almost everything has a PCIe alternative now, you'd know if you required a regular PCI.

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