Compare Detail
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ROG Strix B550-A Gaming
90MB15J0-M0AAY0
90MB15J0-M0EAY0ModelMEG B550 UNIFY-X
7D13-007R -
8 ChannelsAudio channels7.1-Channel High Definition Audio
Supports S/PDIF output -
ROG SupremeFX High Definition Audio CODEC S1220AAudio chipsetRealtek ALC1220P Codec
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1 x Intel I225-V 2.5Gb Ethernet
1 x DisplayPort
1 x HDMI
2 x USB 3.2 Gen 2 (1 x Type-A+1 x USB Type-C)
4 x USB 3.2 Gen 1
2 x USB 2.0
1 x Optical S/PDIF out
1 x BIOS FlashBack Button(s)
5 x Gold-plated audio jacksBack io ports1 x HDMI
1 x LAN (RJ45)
1 x Optical S/PDIF Out
1 x PS/2 Keyboard/Mouse Combo
1 x USB 3.2 Gen 2 Type-C
3 x USB 3.2 Gen 2 Type-A
4 x USB 2.0/1.1
5 x Audio Jacks -
AMD B550ChipsetAMD B550
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NoCrossfire supportYes
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YesEcc ram supportNo
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ATXForm factorATX
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Intel I225-VLan chipsetRealtek RTL8125B
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2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 / 22110 - M KeyM2 devices support2280 / 22110 - M Key
2280 - M Key
2280 / 22110 - M Key
2280 - M Key -
2M2 ports4
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10/100/1000/2500MbpsMax lan speed10/100/1000/2500Mbps
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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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0Onboard usb 32 gen 21
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2Pci express x16 slots2
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3Pci express x1 slots2
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YesRaid supportYes
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4Ram slots2
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August 2020Release dateDecember 2020
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6Sata 6 gbps ports6
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ROGSeries
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NoSli supportNo
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AM4SocketAM4
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3466Mhz
3600Mhz
3866Mhz
4000Mhz
4133Mhz
4400Mhz
4600MhzSupported memory1866Mhz
2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3000Mhz
3200Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4533Mhz
4600Mhz
4733Mhz
4800Mhz
4866Mhz
5000Mhz
5100Mhz -
NoWireless lanYes
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