Compare Detail
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PRIME B450M-K
90MB0YP0-M0EAY0
PRIME B450M-K GAMINGModelPRIME X399-A -
8 ChannelsAudio channels8 Channels
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Realtek ALC887Audio chipsetRealtek ALC S1220A
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AMD B450ChipsetAMD X399
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NoCrossfire supportYes
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NoEcc ram supportYes
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Micro ATXForm factorEATX
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Realtek RTL8111HLan chipsetIntel i211AT
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2242 / 2260 / 2280 - M KeyM2 devices support2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 / 22110 - M Key -
1M2 ports2
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10/100/1000MbpsMax lan speed10/100/1000Mbps
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32 GBMaximum supported ram128 GB
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2Onboard usb 202
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1Onboard usb 32 gen 12
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0Onboard usb 32 gen 21
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1Pci express x16 slots4
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2Pci express x1 slots1
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0Pci express x4 slots1
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YesRaid supportYes
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2Ram slots8
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July 2020Release dateAugust 2017
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4Sata 6 gbps ports6
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NoSli supportYes
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AM4SocketsTR4
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3000Mhz
3200MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz -
NoWireless lanNo
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