Compare Detail
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B550M HModelZ390M PRO4
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AMD B550ChipsetIntel Z390
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NoCrossfire supportYes
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YesEcc ram supportNo
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Micro ATXForm factorMicro ATX
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2242 / 2260 / 2280 - M KeyM2 devices support2230 / 2242 / 2260 / 2280 - M Key
2230 - E Key
2230 / 2242 / 2260 / 2280 - M Key -
1M2 ports3
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64GBMaximum supported ram64GB
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2Onboard usb 202
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1Onboard usb 32 gen 12
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1Pci express x16 slots2
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2Pci express x1 slots2
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YesRaid supportYes
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2Ram slots4
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June 2020Release date
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4Sata 6 gbps ports6
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NoSli supportNo
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AM4SocketLGA1151
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2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200Mhz
3333Mhz
3600Mhz
4000Mhz
4400Mhz
4866Mhz
5000MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3200Mhz
3600Mhz
3733Mhz
3800Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz -
NoWireless lanNo
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