Compare Detail
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ROG Strix B550-A Gaming
90MB15J0-M0AAY0
90MB15J0-M0EAY0ModelZ490 AORUS ELITE AC -
8 ChannelsAudio channels2/4/5.1/7.1-channel
Support for S/PDIF Out -
ROG SupremeFX High Definition Audio CODEC S1220AAudio chipsetRealtek ALC1200
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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 ports2 x USB 3.2 Gen 2 Type-A ports (red)
4 x USB 3.2 Gen 1 ports
4 x USB 2.0/1.1 ports
2 x SMA antenna connectors (1T1R)
1 x HDMI port
1 x RJ-45 port
1 x optical S/PDIF Out connector
5 x audio jacks -
AMD B550ChipsetIntel Z490
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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 2.5GbE LAN chip
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2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 / 22110 - M KeyM2 devices support2280 - M Key (Intel 11th Gen only)
2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 / 22110 - M Key -
2M2 ports3
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10/100/1000/2500MbpsMax lan speed10/100/1000/2500Mbps
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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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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 slots4
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August 2020Release dateMay 2020
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6Sata 6 gbps ports6
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ROGSeries
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NoSli supportNo
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AM4SocketLGA1200
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3466Mhz
3600Mhz
3866Mhz
4000Mhz
4133Mhz
4400Mhz
4600MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3000Mhz
3200Mhz
3300Mhz
3333Mhz
3400Mhz
3466Mhz
3600Mhz
3666Mhz
3733Mhz
3800Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4300Mhz
4400Mhz
4500Mhz
4600Mhz
4700Mhz
4800Mhz
5000Mhz -
NoWireless lanYes
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