Compare Detail
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B450M-HDV R4.0
90-MXB9N0-A0UAYZModelX399 Professional Gaming
Fatal1ty X399 Professional Gaming
90-MXB5Q0-A0UAYZ -
7.1 ChannelsAudio channels
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Realtek ALC887Audio chipset
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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 ports -
AMD B450ChipsetAMD X399
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NoCrossfire supportYes
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NoEcc ram supportYes
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Micro ATXForm factorATX
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Realtek RTL8111HLan chipset
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2242 / 2260 / 2280 - M KeyM2 devices support2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key
2230 / 2242 / 2260 / 2280 - M Key
2230 - E Key -
1M2 ports4
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10/100/1000MbpsMax lan speed
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32GBMaximum supported ram128 GB
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2Onboard usb 202
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1Onboard usb 32 gen 12
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1Pci express x16 slots4
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1Pci express x1 slots1
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YesRaid supportYes
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2Ram slots8
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February 2019Release date
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4Sata 6 gbps ports8
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NoSli supportYes
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AM4SocketsTR4
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2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200Mhz
3600Mhz -
NoWireless lanYes
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