Compare Detail
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B550 AORUS MASTERModelFatal1ty X370 Gaming K4
X370 Gaming K4 -
2/4/5.1/7.1-channel
Support for S/PDIF OutAudio channels7.1 Channels -
Realtek ALC1220-VB codec
* The back panel line out jack supports DSD audio.Audio chipsetRealtek ALC1220 -
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 ports -
AMD B550ChipsetAMD X370
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NoCrossfire supportYes
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YesEcc ram supportNo
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ATXForm factorATX
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Realtek 2.5GbE LAN chipLan chipsetIntel i211AT
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2242 / 2280 / 22110 - M Key
2242 / 2280 / 22110 - M Key
2242 / 2280 / 22110 - M KeyM2 devices support2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key
2230 - E Key -
3M2 ports3
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10/100/1000/2500MbpsMax lan speed10/100/1000Mbps
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128GBMaximum supported ram64 GB
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2Onboard usb 202
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1Onboard usb 32 gen 12
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3Pci express x16 slots2
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0Pci express x1 slots4
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YesRaid supportYes
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4Ram slots4
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June 2020Release dateFebruary 2017
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6Sata 6 gbps ports6
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NoSli supportYes
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AM4SocketAM4
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2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200Mhz
3333Mhz
3600Mhz
4000Mhz
4400Mhz
4600Mhz
4866Mhz
5000MhzSupported memory2133Mhz
2400Mhz
2666Mhz -
6Wi fi generation
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YesWireless lanNo
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