Compare Detail
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B550 Phantom Gaming 4/ac
B550 PHAN GAM 4 AC
90-MXBDZ0-A0UAYZModelZenith II Extreme
ROG Zenith II Extreme
90MB14K0-M0EAY0 -
7.1 ChannelsAudio channels8 Channels
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Realtek ALC1200Audio chipsetROG SupremeFX High Definition Audio CODEC S1220
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2 x Antenna Ports
1 x PS/2 Mouse/Keyboard Port
1 x HDMI Port
6 x USB 3.2 Gen1 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 ports1 x Clear CMOS Button
1 x BIOS Flashback Button
1 x 2x2 Wi-Fi Module
1 x Aquantia AQC-107 10G LAN
1 x Anti-surge LAN (RJ45)
4 x USB 3.2 Gen1 ports [blue]
7 x USB 3.2 Gen2 ports (6 x Type-A [red] and 1 x Type-C [black])
1 x USB 3.2 Gen2x2 port (1 x Type-C [black])
1 x Optical S/PDIF out
5 x LED-illuminated audio jacks -
AMD B550ChipsetAMD TRX40
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YesCrossfire supportYes
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YesEcc ram supportYes
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ATXForm factorEATX
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Realtek RTL8111HLan chipsetAQUANTIA AQC107
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2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 - M Key
2230 - E KeyM2 devices support2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 / 22110 - M Key -
3M2 ports5
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10/100/1000MbpsMax lan speed10Gbps + 10/100/1000Mbps
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128GBMaximum supported ram256GB
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2Onboard usb 202
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1Onboard usb 32 gen 12
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0Onboard usb 32 gen 22
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2Pci express x16 slots4
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2Pci express x1 slots0
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YesRaid supportYes
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4Ram slots8
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June 2020Release dateNovember 2019
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4Sata 6 gbps ports8
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NoSli supportYes
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AM4SocketsTRX4
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2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200Mhz
3466Mhz
3600Mhz
3733Mhz
3800Mhz
3866Mhz
4000Mhz
4133Mhz
4200Mhz
4266Mhz
4333Mhz
4400Mhz
4533MhzSupported memory2400Mhz
2666Mhz
2800Mhz
2933Mhz
3000Mhz
3200Mhz
3400Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4600Mhz -
5Wi fi generation6
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YesWireless lanYes
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