Compare Detail
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PRIME B550M-A/CSMModel970A-G/3.1
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7.1 ChannelsAudio channels7.1 Channels
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Realtek ALC887Audio chipsetRealtek ALC1150
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2 x USB 3.2 Gen 2 ports (2 x Type-A)
4 x USB 3.2 Gen 1 ports (4 x Type-A)
1 x D-Sub port
1 x DVI-D port
1 x HDMI port
1 x Realtek RTL8111H 1Gb Ethernet port
3 x Audio jacks
1 x PS/2 Keyboard/Mouse combo portBack io ports -
AMD B550ChipsetAMD 970
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NoCrossfire supportYes
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YesEcc ram supportNo
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Micro ATXForm factorATX
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Realtek RTL8111HLan chipsetRealtek 8111-GR
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2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 - M KeyM2 devices support2242 / 2260 / 2280 / 22110 - M Key -
2M2 ports1
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10/100/1000MbpsMax lan speed10/100/1000Mbps
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128 GBMaximum supported ram64GB
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2Onboard usb 202
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1Onboard usb 32 gen 11
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1Pci express x16 slots2
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2Pci express x1 slots1
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YesRaid supportYes
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4Ram 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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AM4SocketAM3+/AM3
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3333Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4600MhzSupported memory1066Mhz
1333Mhz
1600Mhz
1800Mhz
1866Mhz
2100Mhz
2400Mhz -
NoWireless lanNo
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