Some motherboards only support x16x4/x8x8 (more later).Tri and Quadfire available with newer boards.***NVIDIA GPUs that do not use the SLI connector. Some motherboards only support x16x4 mode (more on this later).Tri and Quad SLi available with newer motherboards.Okay, so now that you've determined that you have a board that supports one or the other, you want to know what each board can support. Make sure the power supply is up to snuff. The thing you would have to watch out for is power requirements. PCI-Express 2.0 video cards are backwards compatible with 1.1 and 1.0 slots, so if you have an older board, don't worry about the card being compatible. These 2.0 standard slots support the same x16 lanes than a PCI-Express 1.0 or 1.1 slot supports, but it provides more power to the card than a 1.1 or 1.0 can. Note about PCI-Express 2.0: PCI-Express 2.0 standard slots are available on most new motherboards. Don't just go by what I say, make sure to check up that your motherboard actually does support one or the other, do some research! Also, don't forget to make sure that your motherboard actually has two PCI-Express slots. Now that we have that out of the way, you've got to make sure that your motherboard actually supports one of the other. With a nVidia chipset, like the 590, 650i, 680, 690i, or something of the like, you are most likely going to have an SLi board. With an AMD manufactured board, such as the 740G, 770, 780G, 790GX, 790FX, or something of the like, you are most likely going to have a CrossfireX board. With an Intel manufactured board, something like an X38, P43, P45, X48, or something of the like, you are most likely going to have a CrossfireX board. With the i7 platform, most X58 motherboards support BOTH CrossfireX and SLi. With everything before Intel Core i7, the motherboard is either SLi capable or CrossfireX capable. And even more.įirst, you want to know if your motherboard is SLi/CrossfireX capable. Okay, so now that we have a basic definition, let's get into some more complicated information, what a SLi interface looks like, what a Crossfire/CrossfireX interface looks like, connectors, what you can do with SLi/CrossfireX, performance increases, driver support. It's the second version of Crossfire released by ATi more on this later though. It's the other multi card solution that you hear about normally, and it doesn't stand for anything. More on this later though.ĬrossfireX, is a term created by the engineers and marketing peeps over at ATi/AMD. It's a multi card solution that relies on two of the same cards to be running parallel to each other. It's just another term cooked up by the engineers and marketing people over at nVidia. SLi, the acronym means 'Scalable Link Interface'. CrossfireX and SLi both rely on multiple cards, and 'bridges', soft flexible pieces of plastic and metal that connect two card together and transfer information between the two cards easily. This means that there are two or more cards working in tandem to help process information and relay it to your computer monitor at an even quicker speed than with only a single card. CrossfireX and SLi are both multi card solutions. The short answer is a graphics processing unit (GPU) that has more than one card doing work, at the same time. CrossfireX and SLi both rely on multiple cards, and 'bridges', soft flexible pieces of plastic and metal that connect two cards together and transfer information between the two cards easily. SLi, CrossfireX, what does it all mean to you? Is it just another buzzword in the cloud known as the internet? Just another random thing the enthusiasts are messing with to make their PC's even better? The End All Be All FAQ about SLI and CrossfireX
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