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ROG MAXIMUS XII EXTREME
90MB12J0-M0EAY0
Model
PRIME B550-PLUS
90MB14U0-M0EAY0
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8 Channels
Audio channels
7.1 Channels
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ROG SupremeFX High Definition Audio CODEC S1220
Audio chipset
Realtek ALC887
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1 x USB 3.2 Gen 2x2 port(s) (1 x USB Type-C)
3 x USB 3.2 Gen 2 port(s) (2 x Type-A + 1 x USB Type-C)
6 x USB 3.2 Gen 1 port(s) (6 x Type-A)
2 x USB 2.0 port(s) (2 x Type-A)
1 x ASUS Wi-Fi Module
1 x Intel I225-V Ethernet port
1 x Marvell AQtion AQC107 10Gb Ethernet port
5 x LED-illuminated audio jacks
1 x Optical S/PDIF out port
1 x BIOS FlashBack button
1 x Clear CMOS button
Back io ports
2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C)
4 x USB 3.2 Gen 1 ports (4 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
1 x DisplayPort
1 x HDMI port
1 x Realtek 8111H Ethernet port
5 x Audio jacks
1 x Optical S/PDIF out port
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Intel Z490
Chipset
AMD B550
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Yes
Crossfire support
Yes
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No
Ecc ram support
Yes
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EATX
Form factor
ATX
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AQUANTIA AQC107
Lan chipset
Realtek RTL8111H
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2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 / 22110 - M Key
M2 devices support
2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 / 22110 - M Key
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4
M2 ports
2
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10Gbps + 10/100/1000/2500Mbps
Max lan speed
10/100/1000Mbps
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128 GB
Maximum supported ram
128 GB
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2
Onboard usb 20
2
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2
Onboard usb 32 gen 1
1
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2
Onboard usb 32 gen 2
0
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2
Pci express x16 slots
2
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0
Pci express x1 slots
3
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1
Pci express x4 slots
0
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Yes
Raid support
Yes
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4
Ram slots
4
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May 2020
Release date
June 2020
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8
Sata 6 gbps ports
6
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ROG
Series
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Yes
Sli support
No
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LGA1200
Socket
AM4
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3000Mhz
3200Mhz
3333Mhz
3400Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4500Mhz
4600Mhz
4700Mhz
4800Mhz
Supported memory
2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3333Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4600Mhz
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6
Wi fi generation
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Yes
Wireless lan
No
