Compare Detail
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B450M-HDV R4.0
90-MXB9N0-A0UAYZModelX299 AORUS MASTER -
7.1 ChannelsAudio channels2/4/5.1/7.1-channel
Support for S/PDIF Out -
Realtek ALC887Audio chipsetRealtek ALC1220-VB codec
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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 B450ChipsetIntel X299
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NoCrossfire supportYes
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NoEcc ram supportNo
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Micro ATXForm factorEATX
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Realtek RTL8111HLan chipsetRealtek GbE LAN chip
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2242 / 2260 / 2280 - M KeyM2 devices support2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 / 22110 - M Key -
1M2 ports3
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10/100/1000MbpsMax lan speed10/100/1000/2500Mbps + 10/100/1000Mbps
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32GBMaximum supported ram128GB
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2Onboard usb 202
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1Onboard usb 32 gen 12
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0Onboard usb 32 gen 21
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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 dateDecember 2018
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4Sata 6 gbps ports8
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NoSli supportYes
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AM4SocketLGA2066
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2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3300Mhz
3333Mhz
3400Mhz
3466Mhz
3600Mhz
3666Mhz
3733Mhz
3800Mhz
3866Mhz
4000Mhz -
NoWireless lanYes
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