Compare Detail
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B450 GAMING XModelX299X AORUS MASTER
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2/4/5.1/7.1-channel
Support for S/PDIF OutAudio channels4.2/4/5.1/7.1-channel
Support for S/PDIF Out -
Realtek ALC892Audio chipsetRealtek ALC1220-VB codec
* The front panel line out jack supports DSD audio. -
1 x PS/2 keyboard/mouse port
1 x DVI-D port
1 x HDMI port
4 x USB 3.1 Gen 1 ports
4 x USB 2.0/1.1 ports
1 x RJ-45 port
6 x audio jacksBack io ports1 x Q-Flash Plus button
1 x Clear CMOS button
1 x USB Type-C port with USB 3.2 Gen 2 support
1 x USB 3.2 Gen 2 Type-A port (red)
6 x USB 3.2 Gen 1 ports
2 x USB 2.0/1.1 ports
2 x RJ-45 ports
2 x SMA antenna connectors (2T2R)
1 x optical S/PDIF Out connector
5 x audio jacks -
AMD B450ChipsetIntel X299
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YesCrossfire supportYes
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NoEcc ram supportNo
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ATXForm factorEATX
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Realtek GbE LAN chipLan chipsetAquantia 5GbE LAN chip
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2242 / 2260 / 2280 / 22110 - M KeyM2 devices support2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 / 22110 - M Key -
1M2 ports3
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10/100/1000MbpsMax lan speed100/1000/2500/5000Mbps + 10/100/1000Mbps
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64 GBMaximum supported ram256GB
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1Onboard usb 203
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1Onboard usb 32 gen 12
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0Onboard usb 32 gen 21
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2Pci express x16 slots4
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2Pci express x1 slots0
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YesRaid supportYes
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4Ram slots8
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March 2019Release dateOctober 2019
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6Sata 6 gbps ports8
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NoSli supportYes
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AM4SocketLGA2066
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2133Mhz
2400Mhz
2666Mhz
2933MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2933Mhz
3000Mhz
3200Mhz
3300Mhz
3333Mhz
3400Mhz
3466Mhz
3600Mhz
3666Mhz
3733Mhz
3800Mhz
3866Mhz
4000Mhz
4133Mhz
4200Mhz
4266Mhz
4333Mhz -
NoWireless lanYes
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