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B550 EXTREME4
Model
ROG Crosshair VIII Impact
Crosshair VIII Impact
90MB11Q0-M0EAY0
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7.1 Channels
Audio channels
8 Channels
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Realtek ALC1220
Audio chipset
ROG SupremeFX High Definition Audio CODEC
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2 x Antenna Ports (on I/O Panel Shield)
1 x PS/2 Mouse/Keyboard Port
1 x HDMI Port
1 x Optical SPDIF Out Port
1 x USB 3.2 Gen2 Type-A Port (10Gb/s) (Supports ESD Protection)
1 x USB 3.2 Gen2 Type-C Port (10Gb/s) (Supports ESD Protection)
2 x USB 3.2 Gen1 Ports (Supports ESD Protection)
4 x USB 2.0 Ports (Supports ESD Protection)*
1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks)
* Ultra USB Power is supported on USB_34 ports.
* ACPI wake-up function is not supported on USB_34 ports.
Back io ports
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 Q-Code LED
1 x Reset Button
3 x LED-illuminated audio jacks
2 x USB 3.2 Gen 1 (up to 5Gbps) ports
6 x USB 3.2 Gen 2 (up to 10Gbps) ports
Anti-surge LAN (RJ45) port
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AMD B550
Chipset
AMD X570
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Yes
Crossfire support
No
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No
Ecc ram support
Yes
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ATX
Form factor
Mini DTX
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Dragon RTL8125BG
Lan chipset
Intel i211AT
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2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 / 22110 - M Key
2230 - E Key
M2 devices support
2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key
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3
M2 ports
2
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10/100/1000/2500Mbps
Max lan speed
10/100/1000Mbps
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128GB
Maximum supported ram
64 GB
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2
Onboard usb 20
1
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1
Onboard usb 32 gen 1
1
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1
Onboard usb 32 gen 2
1
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2
Pci express x16 slots
1
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2
Pci express x1 slots
0
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Yes
Raid support
Yes
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4
Ram slots
2
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June 2020
Release date
September 2019
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6
Sata 6 gbps ports
4
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No
Sli support
No
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AM4
Socket
AM4
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2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200Mhz
3466Mhz
3600Mhz
3733Mhz
3800Mhz
3866Mhz
4000Mhz
4133Mhz
4200Mhz
4266Mhz
4333Mhz
4400Mhz
4533Mhz
4600Mhz
4666Mhz
Supported memory
2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3000Mhz
3200Mhz
3400Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4600Mhz
4800Mhz
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No
Wireless lan
Yes
