Compare Detail
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B550M GAMINGModelX399 TAICHI
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AMD B550ChipsetAMD X399
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NoCrossfire supportYes
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YesEcc ram supportYes
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Micro ATXForm factorATX
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2242 / 2260 / 2280 - M KeyM2 devices support2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key
2230 / 2242 / 2260 / 2280 - M Key
2230 - E Key -
1M2 ports4
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64GBMaximum supported ram128GB
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1Onboard usb 202
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1Onboard usb 32 gen 12
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1Pci express x16 slots4
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2Pci express x1 slots1
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YesRaid supportYes
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2Ram slots8
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June 2020Release dateFebruary 2018
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4Sata 6 gbps ports8
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NoSli supportYes
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AM4SocketsTR4
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2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200Mhz
3333Mhz
3600Mhz
4000Mhz
4400Mhz
4600Mhz
4866Mhz
5000MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200Mhz
3600Mhz -
NoWireless lanYes
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