Compare Detail
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B450 PRO4
90-MXB8B0-A0UAYZModelZ490 PRO4
90-MXBC50-A0UAYZ -
7.1 ChannelsAudio channels7.1 Channels
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Realtek ALC892Audio chipsetRealtek ALC1200
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1 x PS/2 Mouse/Keyboard Port
1 x D-Sub Port
1 x HDMI Port
1 x DisplayPort 1.2
2 x USB 2.0 Ports (Supports ESD Protection)
1 x USB 3.1 Gen2 Type-A Port (10Gb/s) (Supports ESD Protection)
1 x USB 3.1 Gen2 Type-C Port (10Gb/s) (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 ports2 x Antenna Ports
1 x PS/2 Mouse/Keyboard Port
1 x D-Sub Port
1 x HDMI Port
1 x USB 3.2 Gen2 Type-A Port (10Gb/s) (ReDriver) (Supports ESD Protection)
1 x USB 3.2 Gen2 Type-C Port (10Gb/s) (ReDriver) (Supports ESD Protection)
2 x USB 3.2 Gen1 Ports (Supports ESD Protection)
2 x USB 2.0 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 / Microphone -
AMD B450ChipsetIntel Z490
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YesCrossfire supportYes
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NoEcc ram supportNo
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ATXForm factorATX
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Realtek RTL8111HLan chipsetIntel I219-V
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2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 / 22110 - M KeyM2 devices support2260 / 2280 - M Key
2260 / 2280 / 22110 - M Key
2230 - E Key -
2M2 ports3
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10/100/1000MbpsMax lan speed10/100/1000Mbps
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64GBMaximum supported ram128 GB
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2Onboard usb 201
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1Onboard usb 32 gen 12
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2Pci express x16 slots2
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4Pci express x1 slots3
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YesRaid supportYes
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4Ram slots4
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6Sata 6 gbps ports6
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NoSli supportNo
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AM4SocketLGA1200
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2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3200Mhz
3600Mhz
3733Mhz
3800Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4333Mhz
4400Mhz -
NoWireless lanNo
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