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pro b550m-c/csm
Model
ROG MAXIMUS XII EXTREME
90MB12J0-M0EAY0
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7.1 Channels
Audio channels
8 Channels
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Realtek ALC887/897
Audio chipset
ROG SupremeFX High Definition Audio CODEC S1220
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1 x Realtek RTL8111H
1 x PS/2 keyboard (purple)
1 x PS/2 mouse (green)
2 x DisplayPort
1 x HDMI
2 x USB 3.2 Gen 2 (1 x Type-A+1 x USB Type-C)
2 x USB 3.2 Gen 1 Type-A
2 x USB 2.0
3 x Audio jack(s)
Back io ports
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
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AMD B550
Chipset
Intel Z490
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No
Crossfire support
Yes
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No
Ecc ram support
No
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Micro ATX
Form factor
EATX
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Realtek RTL8111H
Lan chipset
AQUANTIA AQC107
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2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key
M2 devices support
2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 / 22110 - M Key
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3
M2 ports
4
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10/100/1000Mbps
Max lan speed
10Gbps + 10/100/1000/2500Mbps
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128GB
Maximum supported ram
128 GB
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1
Onboard usb 20
2
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2
Onboard usb 32 gen 1
2
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0
Onboard usb 32 gen 2
2
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1
Pci express x16 slots
2
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1
Pci express x4 slots
1
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Yes
Raid support
Yes
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4
Ram slots
4
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December 2020
Release date
May 2020
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4
Sata 6 gbps ports
8
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No
Sli support
Yes
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AM4
Socket
LGA1200
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3333Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4600Mhz
4800Mhz
Supported memory
2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3000Mhz
3200Mhz
3333Mhz
3400Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4500Mhz
4600Mhz
4700Mhz
4800Mhz
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No
Wireless lan
Yes
