Compare Detail
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B550M PRO4ModelZ390 M GAMING
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7.1 ChannelsAudio channels2/4/5.1/7.1-channel
Support for S/PDIF Out -
Realtek ALC1200Audio chipsetRealtek ALC892
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Antenna Bracket
1 x PS/2 Mouse/Keyboard Port
1 x D-Sub Port
1 x HDMI Port
1 x DisplayPort 1.4
1 x USB 3.2 Gen2 Type-A Port (10Gb/s) (Supports ESD Protection)
1 x USB 3.2 Gen2 Type-C Port (10Gb/s) (Supports ESD Protection)
4 x USB 3.2 Gen1 Ports (ASMedia ASM1074 hub) (Supports ESD Protection)
2 x USB 2.0 Ports (Supports ESD Protection)
1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
HD Audio Jacks: Line in / Front Speaker / MicrophoneBack io ports -
AMD B550ChipsetIntel Z390
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YesCrossfire supportYes
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YesEcc ram supportNo
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Micro ATXForm factorMicro ATX
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Realtek RTL8111HLan chipsetIntel GbE LAN chip
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2280 - M Key
2280 - M Key
2230 - E KeyM2 devices support2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 - M Key -
3M2 ports2
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10/100/1000MbpsMax lan speed10/100/1000Mbps
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128GBMaximum supported ram128GB
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2Onboard usb 202
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2Onboard usb 32 gen 11
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2Pci express x16 slots2
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1Pci express x1 slots2
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YesRaid supportYes
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4Ram slots4
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June 2020Release dateOctober 2018
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6Sata 6 gbps ports6
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NoSli supportNo
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AM4SocketLGA1151
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2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200Mhz
3466Mhz
3600Mhz
3733Mhz
3800Mhz
3866Mhz
4000Mhz
4133Mhz
4200Mhz
4266Mhz
4333Mhz
4400Mhz
4533MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3300Mhz
3333Mhz
3400Mhz
3466Mhz
3600Mhz
3666Mhz
3733Mhz
3800Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz -
NoWireless lanNo
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