Compare Detail
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PRIME B550M-K
90MB14V0-M0EAY0ModelPRIME B550M-A/CSM -
7.1 ChannelsAudio channels7.1 Channels
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Realtek ALC887Audio chipsetRealtek ALC887
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1 x PS/2 keyboard/mouse combo port(s)
1 x DVI-D
1 x D-Sub
1 x HDMI
1 x LAN (RJ45) port(s)
2 x USB 3.2 Gen 2 (teal blue) (2 x Type-A)
4 x USB 3.2 Gen 1 (blue) Type-A
3 x Audio jack(s)Back io ports2 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 port -
AMD B550ChipsetAMD B550
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NoCrossfire supportNo
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YesEcc 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 / 22110 - M Key
2242 / 2260 / 2280 - M KeyM2 devices support2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 - M Key -
2M2 ports2
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10/100/1000MbpsMax lan speed10/100/1000Mbps
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128GBMaximum 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
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2Pci express x1 slots2
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YesRaid supportYes
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4Ram slots4
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June 2020Release dateJune 2020
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4Sata 6 gbps ports4
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NoSli supportNo
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AM4SocketAM4
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3333Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4600MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3333Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4600Mhz -
NoWireless lanNo
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