Compare Detail
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ROG Crosshair VIII Hero (WI-FI)ModelB450 GAMING K4
Fatal1ty B450 GAMING K4
90-MXB8A0-A0UAYZ -
8 ChannelsAudio channels7.1 Channels
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ROG SupremeFX High Definition Audio CODECAudio chipsetRealtek ALC892
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1 x Optical S/PDIF out
1 x Clear CMOS button(s)
1 x USB BIOS Flashback Button(s)
1 x ASUS Wi-Fi Module
1 x Anti-surge 2.5G LAN (RJ45) port
Anti-surge LAN (RJ45) port
5 x Gold-plated audio jacks
4 x USB 3.2 Gen 1 (up to 5Gbps) ports
8 x USB 3.2 Gen 2 (up to 10Gbps) portsBack io ports1 x DisplayPort
1 x D-Sub
1 x HDMI
1 x LAN (RJ45)
1 x PS/2 Keyboard/Mouse Combo
1 x USB 3.1 Gen 2 Type-A
1 x USB 3.1 Gen 2 Type-C
2 x USB 2.0/1.1
3 x Audio Jacks
4 x USB 3.1 Gen 1 Type-A -
AMD X570ChipsetAMD B450
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YesCrossfire supportYes
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YesEcc ram supportNo
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ATXForm factorATX
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Realtek RTL8125-CGLan chipsetRealtek RTL8111H
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2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 / 22110 - M KeyM2 devices support2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 / 22110 - M Key -
2M2 ports2
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10/100/1000/2500Mbps + 10/100/1000MbpsMax lan speed10/100/1000Mbps
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128 GBMaximum supported ram64 GB
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2Onboard usb 202
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1Onboard usb 32 gen 11
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1Onboard usb 32 gen 20
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3Pci express x16 slots2
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1Pci express x1 slots4
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YesRaid supportYes
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4Ram slots4
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July 2019Release date
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8Sata 6 gbps ports6
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ROGSeriesFatal1ty
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YesSli supportNo
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AM4SocketAM4
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3000Mhz
3200Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4533Mhz
4600MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200Mhz -
6Wi fi generation
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YesWireless lanNo
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