Compare Detail
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B450M-HDV
90-MXB9N0-A0UAYZModel990FX EXTREME3 -
7.1 ChannelsAudio channels
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Realtek ALC887Audio chipset
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AMD B450ChipsetAMD 990FX
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NoCrossfire supportYes
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NoEcc ram supportNo
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Micro ATXForm factorATX
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Realtek RTL8111HLan chipset
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2242 / 2260 / 2280 - M KeyM2 devices support
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1M2 ports0
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10/100/1000MbpsMax lan speed
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32GBMaximum supported ram32GB
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2Onboard usb 203
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1Onboard usb 32 gen 10
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1Pci express x16 slots3
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1Pci express x1 slots1
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YesRaid supportYes
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2Ram slots4
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August 2018Release dateSeptember 2011
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4Sata 6 gbps ports5
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NoSli supportYes
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AM4SocketAM3+/AM3
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2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200MhzSupported memory800Mhz
1066Mhz
1333Mhz
1600Mhz
1866Mhz
2100Mhz -
NoWireless lanNo