Here we consider mostly PCI slots, PC Ie 16x, PC Ie 4x, and PCIlx. All these playa key role in terms of expansion, as they let you upgrade your system. Thus it is very important to have more slots onboard so that your motherboard has more expansion capaŽbility and options.

For SLI and CrossFire to work you would need at least 2 PC Ie slots. Today there are certain motherboards that come with up to 4 PCle 16x slots. But with more and more things comŽing as an onboard option you need to check what is more important for you, you want to add more GFX cards or more PCI cards to put additional RAID card (if your chip set has support for it) , hi-definition AuŽdio Card, LAN card, etc.

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