Compare Detail
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X299M-A PROModelB450 GAMING K4
Fatal1ty B450 GAMING K4
90-MXB8A0-A0UAYZ -
7.1-Channel High Definition Audio
Supports S/PDIF outputAudio channels7.1 Channels -
Realtek ALC1220Audio chipsetRealtek ALC892
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Intel X299ChipsetAMD B450
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YesCrossfire supportYes
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NoEcc ram supportNo
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Micro ATXForm factorATX
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Intel I219-VLan chipsetRealtek RTL8111H
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2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 - M KeyM2 devices support2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 / 22110 - M Key -
2M2 ports2
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10/100/1000MbpsMax lan speed10/100/1000Mbps
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64 GBMaximum supported ram64 GB
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2Onboard usb 202
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2Onboard usb 32 gen 11
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3Pci express x16 slots2
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0Pci express x1 slots4
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YesRaid supportYes
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4Ram slots4
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April 2019Release date
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8Sata 6 gbps ports6
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PROSeriesFatal1ty
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YesSli supportNo
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LGA2066SocketAM4
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3000Mhz
3200Mhz
3333Mhz
3400Mhz
3466Mhz
3600Mhz
3733Mhz
3800Mhz
3866Mhz
4000Mhz
4133MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200Mhz -
NoWireless lanNo
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