Compare Detail
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X399 AORUS PROModelMAG B550M MORTAR WIFI
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2/4/5.1/7.1-channel
Support for S/PDIF OutAudio channels7.1-Channel High Definition Audio
Supports S/PDIF output -
Realtek ALC1220Audio chipsetRealtek ALC1200
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AMD X399ChipsetAMD B550
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YesCrossfire supportYes
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YesEcc ram supportNo
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ATXForm factorMicro ATX
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Intel GbE LAN chipLan chipsetRealtek RTL8125B
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2260 / 2280 / 22110 - M Key
2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 - M KeyM2 devices support2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key -
3M2 ports2
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10/100/1000MbpsMax lan speed10/100/1000/2500Mbps
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128GBMaximum supported ram128GB
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2Onboard usb 202
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1Onboard usb 32 gen 11
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1Onboard usb 32 gen 21
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5Pci express x16 slots2
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0Pci express x1 slots2
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YesRaid supportYes
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8Ram slots4
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November 2018Release dateJuly 2020
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8Sata 6 gbps ports6
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YesSli supportNo
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sTR4SocketAM4
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3200Mhz
3333Mhz
3466Mhz
3600MhzSupported memory1866Mhz
2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3000Mhz
3200Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz -
NoWireless lanYes
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