What is a express card slot used for as havent a clue?

What is a express card slot used for as havent a clue?

I surmise you mean a PCI-E(xpress) card. It's a type of slot inside the PC where on earth you can plug in powerfull graphics cards.
On newer laptop computers, ExpressCard slots are the successor to PC Card slots. They use PCI-Express technology, which is much faster for communication than the elder PC Card technology.



These slots are used for wifi cards, wireless internet cards (think Verizon, Sprint, T-Mobile), USB/1394 adapters, card readers, and eSATA adapters for laptops.



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In desktop computers, PCI-Express is sometimes mistakenly referred to as ExpressCard. PCI-Express replaces both AGP and PCI. It's faster, overall.
The x16 PCI express slot is currently the fastest graphics card interface. It is intended to replace the slower AGP interface explicitly still very much alive because motherboard and video card maker continue to support it.



The x1, x4 and x8 PCIe are intended for lateral devices that utilize slower interfaces like the PCI bus. But oodles devices have moved to popular interfaces resembling USB, Firewire and e-SATA. Thus, adoption of PCIe in non-graphics devices have been slow.



Read more here:

http://en.wikipedia.org/wiki/pci_express...

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