Compare Detail
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ROG Strix B550-A Gaming
90MB15J0-M0AAY0
90MB15J0-M0EAY0ModelM5A99X Evo -
8 ChannelsAudio channels
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ROG SupremeFX High Definition Audio CODEC S1220AAudio chipset
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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 ports -
AMD B550ChipsetAMD 990X
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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 chipset
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2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 / 22110 - M KeyM2 devices support -
2M2 ports0
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10/100/1000/2500MbpsMax lan speed
-
128 GBMaximum supported ram32 GB
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2Onboard usb 203
-
1Onboard usb 32 gen 11
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2Pci express x16 slots3
-
3Pci express x1 slots2
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YesRaid supportYes
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4Ram slots4
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August 2020Release date
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6Sata 6 gbps ports6
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ROGSeries
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NoSli supportYes
-
AM4SocketAM3+
-
2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3466Mhz
3600Mhz
3866Mhz
4000Mhz
4133Mhz
4400Mhz
4600MhzSupported memory1066Mhz
1333Mhz
1600Mhz
1866Mhz
2133Mhz -
NoWireless lanNo
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