Compare Detail
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Prime B450M-A II
90MB15Z0-M0AAY0ModelMAG B550 TOMAHAWK
B550TMHWK
7C91-001R -
7.1 ChannelsAudio channels7.1-Channel High Definition Audio
Supports S/PDIF output -
Realtek High Definition Audio CODECAudio chipsetRealtek ALC1200
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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 ports1 x DisplayPort
1 x HDMI
1 x Optical S/PDIF Out
1 x PS/2 Keyboard/Mouse Combo
1 x USB 3.2 Gen 2 Type-A
1 x USB 3.2 Gen 2 Type-C
2 x LAN (RJ45)
2 x USB 2.0/1.1
2 x USB 3.2 Gen 1 Type-A
5 x Audio Jacks -
AMD B450ChipsetAMD B550
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NoCrossfire supportYes
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NoEcc ram supportNo
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Micro ATXForm factorATX
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Realtek RTL8111HLan chipsetRealtek RTL8125B
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2242 / 2260 / 2280 / 22110 - M KeyM2 devices support2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 - M Key -
1M2 ports2
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10/100/1000MbpsMax lan speed10/100/1000/2500Mbps + 10/100/1000Mbps
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128 GBMaximum supported ram128GB
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2Onboard usb 202
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1Onboard usb 32 gen 11
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0Onboard usb 32 gen 21
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1Pci express x16 slots2
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2Pci express x1 slots2
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YesRaid supportYes
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4Ram slots4
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October 2020Release dateJuly 2020
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6Sata 6 gbps ports6
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NoSli supportNo
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AM4SocketAM4
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3300Mhz
3400Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4400MhzSupported memory1866Mhz
2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3000Mhz
3200Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4533Mhz
4600Mhz
4800Mhz
4866Mhz -
NoWireless lanNo
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