Compare Detail
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990FX EXTREME3ModelX299M-A PRO
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AMD 990FXChipsetIntel X299
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YesCrossfire supportYes
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NoEcc ram supportNo
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ATXForm factorMicro ATX
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0M2 ports2
-
32GBMaximum supported ram64 GB
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3Onboard usb 202
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0Onboard usb 32 gen 12
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3Pci express x16 slots3
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1Pci express x1 slots0
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YesRaid supportYes
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4Ram slots4
-
September 2011Release dateApril 2019
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5Sata 6 gbps ports8
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YesSli supportYes
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AM3+/AM3SocketLGA2066
-
800Mhz
1066Mhz
1333Mhz
1600Mhz
1866Mhz
2100MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3000Mhz
3200Mhz
3333Mhz
3400Mhz
3466Mhz
3600Mhz
3733Mhz
3800Mhz
3866Mhz
4000Mhz
4133Mhz -
NoWireless lanNo
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