Compare Detail
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PRIME B550M-A (WI-FI)
90MB14D0-M0EAY0ModelROG ZENITH II EXTREME ALPHA
ZENITH II EXTREME ALPHA
90MB14K0-M0EAY0 -
7.1 ChannelsAudio channels8 Channels
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Realtek ALC887Audio chipsetROG SupremeFX S1220 high-definition CODEC
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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)
1 x ASUS Wi-Fi ModuleBack io ports -
AMD B550ChipsetAMD TRX40
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NoCrossfire supportYes
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YesEcc ram supportYes
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Micro ATXForm factorEATX
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Realtek RTL8111HLan chipsetIntel i211AT
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2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 - M KeyM2 devices support2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 / 22110 - M Key -
2M2 ports5
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10/100/1000MbpsMax lan speed10Gbps + 10/100/1000Mbps
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128 GBMaximum supported ram256 GB
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2Onboard usb 202
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1Onboard usb 32 gen 12
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0Onboard usb 32 gen 22
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1Pci express x16 slots4
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2Pci express x1 slots0
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YesRaid supportYes
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4Ram slots8
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June 2020Release dateFebruary 2020
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4Sata 6 gbps ports8
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NoSli supportYes
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AM4SocketsTRX4
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3466Mhz
3600Mhz
3866Mhz
4000Mhz
4400MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2800Mhz
3400Mhz
3733Mhz
3800Mhz
4133Mhz
4266Mhz
4333Mhz
4400Mhz
4600Mhz -
6Wi fi generation6
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YesWireless lanYes
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