Compare Detail
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B450 GAMING XModelB550 AORUS PRO AC
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2/4/5.1/7.1-channel
Support for S/PDIF OutAudio channels2/4/5.1/7.1-channel
Support for S/PDIF Out -
Realtek ALC892Audio chipsetRealtek ALC1220-VB codec
* The back panel line out jack supports DSD audio. -
1 x PS/2 keyboard/mouse port
1 x DVI-D port
1 x HDMI port
4 x USB 3.1 Gen 1 ports
4 x USB 2.0/1.1 ports
1 x RJ-45 port
6 x audio jacksBack io ports1 x HDMI port
2 x SMA antenna connectors (1T1R)
3 x USB 3.2 Gen 1 ports
1 x USB Type-C port with USB 3.2 Gen 2 support
2 x USB 3.2 Gen 2 Type-A ports (red)
6 x USB 2.0/1.1 ports
1 x Q-Flash Plus button
1 x RJ-45 port
1 x optical S/PDIF Out connector
5 x audio jacks -
AMD B450ChipsetAMD B550
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YesCrossfire supportNo
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NoEcc ram supportYes
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ATXForm factorATX
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Realtek GbE LAN chipLan chipsetRealtek 2.5GbE LAN chip
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2242 / 2260 / 2280 / 22110 - M KeyM2 devices support2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 / 22110 - M Key -
1M2 ports2
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10/100/1000MbpsMax lan speed10/100/1000/2500Mbps
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64 GBMaximum supported ram128 GB
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1Onboard usb 202
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1Onboard usb 32 gen 11
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2Pci express x16 slots3
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2Pci express x1 slots2
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YesRaid supportYes
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4Ram slots4
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March 2019Release dateJune 2020
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6Sata 6 gbps ports6
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NoSli supportNo
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AM4SocketAM4
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2133Mhz
2400Mhz
2666Mhz
2933MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200Mhz
3333Mhz
3600Mhz
4000Mhz
4400Mhz
4600Mhz
4866Mhz
5000Mhz -
NoWireless lanYes
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