Compare Detail
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Prime B450M-A II
90MB15Z0-M0AAY0ModelX399D8A-2T -
7.1 ChannelsAudio channels
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Realtek High Definition Audio CODECAudio chipset
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1 x PS/2 keyboard/mouse combo port(s)
1 x DVI-D
1 x D-Sub
1 x HDMI
1 x LAN (RJ45) port(s)
2 x USB 3.2 Gen 2 (teal blue) (2 x Type-A)
4 x USB 3.2 Gen 1 (blue) Type-A
3 x Audio jack(s)
1 x BIOS FlashBack Button(s)Back 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 / 22110 - M KeyM2 devices support2230 / 2242 / 2260 / 2280 / 22110 - M Key
2230 / 2242 / 2260 / 2280 / 22110 - M Key -
1M2 ports2
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10/100/1000MbpsMax lan speed
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128 GBMaximum supported ram256 GB
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2Onboard usb 201
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1Onboard usb 32 gen 11
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1Pci express x16 slots5
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2Pci express x1 slots0
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0Pci express x4 slots1
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YesRaid supportYes
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4Ram slots8
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October 2020Release dateOctober 2019
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6Sata 6 gbps ports6
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NoSli supportNo
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AM4SocketsTR4
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3300Mhz
3400Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4400MhzSupported memory2133Mhz
2400Mhz
2666Mhz -
NoWireless lanNo
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