Compare Detail
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PRIME B250M-KModelPRIME B550M-A/CSM
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8 ChannelsAudio channels7.1 Channels
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Realtek ALC887Audio chipsetRealtek ALC887
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Intel B250ChipsetAMD B550
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NoCrossfire supportNo
-
NoEcc ram supportYes
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Micro ATXForm factorMicro ATX
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Realtek RTL8111HLan chipsetRealtek RTL8111H
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2242 / 2260 / 2280 - M KeyM2 devices support2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 - 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 11
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1Pci express x16 slots1
-
2Pci express x1 slots2
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NoRaid supportYes
-
2Ram slots4
-
6Sata 6 gbps ports4
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NoSli supportNo
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LGA1151SocketAM4
-
2133Mhz
2400MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3333Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4600Mhz -
NoWireless lanNo
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