Compare Detail
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B550 AORUS MASTERModelZ490I AORUS ULTRA
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2/4/5.1/7.1-channel
Support for S/PDIF OutAudio channels2/4/5.1/7.1-channel -
Realtek ALC1220-VB codec
* The back panel line out jack supports DSD audio.Audio chipsetRealtek ALC1220-VB codec
* The back panel line out jack supports DSD audio. -
2 x SMA antenna connectors (2T2R)
1 x HDMI port
6 x USB 2.0/1.1 ports
5 x USB 3.2 Gen 2 Type-A ports (red)
1 x USB Type-C port with USB 3.2 Gen 2 support
1 x Q-Flash Plus button
1 x RJ-45 port
1 x optical S/PDIF Out connector
5 x audio jacksBack io ports1 x DisplayPort
1 x HDMI port
1 x USB Type-C port with USB 3.2 Gen 2 support
1 x USB 3.2 Gen 2 Type-A port (red)
4 x USB 3.2 Gen 1 ports
2 x USB 2.0/1.1 ports
1 x Q-Flash Plus button
1 x RJ-45 port
2 x SMA antenna connectors (2T2R)
3 x audio jacks -
AMD B550ChipsetIntel Z490
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NoCrossfire supportNo
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YesEcc ram supportNo
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ATXForm factorMini ITX
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Realtek 2.5GbE LAN chipLan chipsetIntel 2.5GbE LAN chip
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2242 / 2280 / 22110 - M Key
2242 / 2280 / 22110 - M Key
2242 / 2280 / 22110 - M KeyM2 devices support2260 / 2280 - M Key
2260 / 2280 - M Key -
3M2 ports2
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10/100/1000/2500MbpsMax lan speed10/100/1000/2500Mbps
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128GBMaximum supported ram64GB
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2Onboard usb 201
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1Onboard usb 32 gen 11
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0Onboard usb 32 gen 21
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3Pci express x16 slots1
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YesRaid supportYes
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4Ram slots2
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June 2020Release dateMay 2020
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6Sata 6 gbps ports4
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NoSli supportNo
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AM4SocketLGA1200
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2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200Mhz
3333Mhz
3600Mhz
4000Mhz
4400Mhz
4600Mhz
4866Mhz
5000MhzSupported 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 -
6Wi fi generation6
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YesWireless lanYes
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