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X299 Steel Legend
90-MXBBJ0-A0UAYZ
Model
B550 STEEL LEGEND
90-MXBDF0-A0UAYZ
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7.1 Channels
Audio channels
7.1 Channels
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Realtek ALC1220
Audio chipset
Realtek ALC1220
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1 x PS/2 Mouse/Keyboard Port
1 x Optical SPDIF Out Port
4 x USB 2.0 Ports (Supports ESD Protection)
1 x USB 3.2 Gen2x2 Type-C Port (20Gb/s) (ASMedia ASM3242) (Supports ESD Protection)
3 x USB 3.2 Gen1 Ports (Supports ESD Protection)
2 x RJ-45 LAN Ports with LED (ACT/LINK LED and SPEED LED)
1 x Clear CMOS Button
HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks)
Back io ports
- 2 x Antenna Ports (on I/O Panel Shield)
- 1 x PS/2 Mouse/Keyboard Port
- 1 x HDMI Port
- 1 x DisplayPort 1.4
- 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.
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Intel X299
Chipset
AMD B550
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Yes
Crossfire support
Yes
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No
Ecc ram support
Yes
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ATX
Form factor
ATX
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Intel I219-V
Lan chipset
Dragon RTL8125BG
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2242 / 2260 / 2280 / 22110 - M Key
2260 / 2280 - M Key
2230 - E Key
M2 devices support
2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 / 22110 - M Key
2230 - E Key
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3
M2 ports
3
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Dual 10/100/1000Mbps
Max lan speed
10/100/1000/2500Mbps
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256 GB
Maximum supported ram
128 GB
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2
Onboard usb 20
2
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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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4
Pci express x16 slots
2
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1
Pci express x1 slots
2
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Yes
Raid support
Yes
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8
Ram slots
4
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January 2020
Release date
June 2020
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8
Sata 6 gbps ports
6
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Yes
Sli support
No
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LGA2066
Socket
AM4
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3200Mhz
3600Mhz
3733Mhz
3800Mhz
4000Mhz
Supported memory
2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200Mhz
3466Mhz
3600Mhz
3733Mhz
3800Mhz
3866Mhz
4000Mhz
4133Mhz
4200Mhz
4266Mhz
4333Mhz
4533Mhz
4600Mhz
4666Mhz
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No
Wireless lan
No
