Compare Detail
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990FX EXTREME3ModelM5A99X EVO R2.0
M5A99X-EVO-R2 -
AMD 990FXChipsetAMD 990X
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YesCrossfire supportYes
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NoEcc ram supportNo
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ATXForm factorATX
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32GBMaximum supported ram32 GB
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3Onboard usb 203
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0Onboard usb 32 gen 11
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3Pci express x16 slots3
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1Pci express x1 slots2
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YesRaid supportYes
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4Ram slots4
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September 2011Release dateMay 2012
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5Sata 6 gbps ports6
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YesSli supportYes
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AM3+/AM3SocketAM3+
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800Mhz
1066Mhz
1333Mhz
1600Mhz
1866Mhz
2100MhzSupported memory1066Mhz
1333Mhz
1600Mhz
1866Mhz
2133Mhz -
NoWireless lanNo
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