Compare Detail
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Prime B450M-A II
90MB15Z0-M0AAY0ModelZ690 AORUS ULTRA -
7.1 ChannelsAudio channels2-channel analog output
7.1-channel digital signals
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Realtek High Definition Audio CODECAudio chipsetRealtek ALC4080
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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 ports2 x SMA antenna connectors (2T2R)
1 x USB Type-C port with USB 3.2 Gen 2x2 support
4 x USB 3.2 Gen 2 Type-A ports (red)
4 x USB 3.2 Gen 1 ports
4 x USB 2.0/1.1 ports
1 x DisplayPort
1 x RJ-45 port
1 x optical S/PDIF Out connector
2 x audio jacks -
AMD B450ChipsetIntel Z690
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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 chipsetIntel 2.5GbE LAN chip
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2242 / 2260 / 2280 / 22110 - M KeyM2 devices support2260 / 2280 / 22110 - M Key
2260 / 2280 / 22110 - M Key
2260 / 2280 / 22110 - M Key
2260 / 2280 / 22110 - M Key -
1M2 ports4
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10/100/1000MbpsMax lan speed10/100/1000/2500Mbps
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128 GBMaximum supported ram192 GB
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2Onboard usb 202
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1Onboard usb 32 gen 11
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0Onboard usb 32 gen 2x21
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1Pci express x16 slots3
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2Pci express x1 slots0
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YesRaid supportYes
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4Ram slots4
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October 2020Release date
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6Sata 6 gbps ports6
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NoSli supportNo
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AM4SocketLGA1700
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3300Mhz
3400Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4400MhzSupported memory4800Mhz
5200Mhz
5400Mhz
5600Mhz
5800Mhz
6000Mhz
6200Mhz -
NoWireless lanYes
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