Compare Detail
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B450M-HDV R4.0
90-MXB9N0-A0UAYZModelZenith II Extreme
ROG Zenith II Extreme
90MB14K0-M0EAY0 -
7.1 ChannelsAudio channels8 Channels
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Realtek ALC887Audio chipsetROG SupremeFX High Definition Audio CODEC S1220
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1 x PS/2 Mouse/Keyboard Port
1 x D-Sub Port
1 x DVI-D Port
1 x HDMI Port
2 x USB 2.0 Ports (Supports ESD Protection)
4 x USB 3.1 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 B450ChipsetAMD TRX40
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NoCrossfire supportYes
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NoEcc ram supportYes
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Micro ATXForm factorEATX
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Realtek RTL8111HLan chipsetAQUANTIA AQC107
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2242 / 2260 / 2280 - M 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 -
1M2 ports5
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10/100/1000MbpsMax lan speed10Gbps + 10/100/1000Mbps
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32GBMaximum 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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1Pci express x16 slots4
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1Pci express x1 slots0
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YesRaid supportYes
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2Ram slots8
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February 2019Release 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
3200MhzSupported memory2400Mhz
2666Mhz
2800Mhz
2933Mhz
3000Mhz
3200Mhz
3400Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4600Mhz -
NoWireless lanYes
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