Compare Detail
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X299-E Gaming II
ROG Strix X299-E Gaming IIModelB450-A PRO -
8 ChannelsAudio channels7.1 Channels
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SupremeFX High Definition Audio CODEC S1220AAudio chipsetRealtek ALC892
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1 x LAN (RJ45) port(s)
4 x USB 2.0 (one port can be switched to USB BIOS Flashback)
1 x Optical S/PDIF out
5 x Audio jack(s)
1 x Anti-surge 2.5G LAN (RJ45) port
1 x Wi-Fi antenna port(s)
1 x USB BIOS Flashback Button(s)
2 x USB 3.2 Gen 1 (up to 5Gbps) ports Type-A
4 x USB 3.2 Gen 2 (up to 10Gbps) ports (Type-A + USB Type-C)Back io ports -
Intel X299ChipsetAMD B450
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YesCrossfire supportYes
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NoEcc ram supportNo
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ATXForm factorATX
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Realtek RTL8125-CGLan chipsetRealtek 8111H
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2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 / 22110 - M KeyM2 devices support2242 / 2260 / 2280 - M Key -
3M2 ports1
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10/100/1000/2500Mbps + 10/100/1000MbpsMax lan speed10/100/1000Mbps
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256 GBMaximum supported ram64GB
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2Onboard usb 202
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2Onboard 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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1Pci express x4 slots0
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YesRaid supportYes
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8Ram slots4
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September 2019Release date
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8Sata 6 gbps ports6
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ROG StrixSeries
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YesSli supportNo
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LGA2066SocketAM4
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3000Mhz
3200Mhz
3300Mhz
3333Mhz
3400Mhz
3466Mhz
3600Mhz
3733Mhz
3800Mhz
3866Mhz
4000Mhz
4133Mhz
4266MhzSupported memory1866Mhz
2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3000Mhz
3200Mhz
3466Mhz -
6Wi fi generation
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YesWireless lanNo
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