Compare Detail
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PRIME B550-PLUS
90MB14U0-M0EAY0ModelPRIME A520M-A/CSM -
7.1 ChannelsAudio channels7.1 Channels
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Realtek ALC887Audio chipsetRealtek ALC887
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2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C)
4 x USB 3.2 Gen 1 ports (4 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
1 x DisplayPort
1 x HDMI port
1 x Realtek 8111H Ethernet port
5 x Audio jacks
1 x Optical S/PDIF out portBack io ports4 x USB 3.2 Gen 1 ports (4 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
1 x DVI-D
1 x D-Sub
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 A520
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YesCrossfire supportNo
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YesEcc ram supportNo
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ATXForm factorMicro ATX
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Realtek RTL8111HLan chipsetRealtek RTL8111H
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2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 / 22110 - 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 ram128 GB
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2Onboard usb 202
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1Onboard usb 32 gen 11
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2Pci express x16 slots1
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3Pci express x1 slots2
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YesRaid supportYes
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4Ram slots4
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June 2020Release dateNovember 2020
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6Sata 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
4800Mhz -
NoWireless lanNo
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