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The ASRock 939 Dual S-ATA II motherboard offers something that most other's don't in fact you might say that most other motherboard manufacturers haven't even thought about doing. That is offering a graphics system that allows you to use either a AGP system or a PCI express system. This is a lot more complicated than it sounds. But that's not for you the end user to worry about. All you have to know is that there is a motherboard out there that allows you to use either a AGP graphics card or a PCI express card. The perfect scenario would be an upgrade where you currently use an AGP card and can't afford to upgrade the graphics card at the same time. Then simply use your AGP card until you can afford to upgrade and then simply switch it for a PCI express card.

You will of heard a lot about SLI and Crossfire dual graphics card solutions. so you will probably be asking if the ASRock Dual 939 can utilize any of these systems. Well I'm afraid the answer is only slightly. You can't use SLI because its a PCI express only technology, you can't use Crossfire either because it requires ATI approved specific chipsets and also PCI express. With this motherboard you can't gain any extra graphics performance by introducing a second graphics card but you can do one thing, add extra displays to your PC. in fact if you have 2 graphics card each capable of dual displays you can have up to 4 displays on your computer.

Other features of the ASRock 939 Dual are a single PCI express 2x slot for next gen PCI express components. 3 PCI slots and 4 DIMM slots with a maximum memory capacity of 4Gb. The ASRock 939 Dual supports AMD Sempron, Athlon 64 and Athlon 64FX CPU's. For storage it comes with 2 SATA connectors and an extra S-ATA II controller as well as 2 standard IDE ports for ATA devices.

Motherboard Specifications

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