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PRIME B550M-K
90MB14V0-M0EAY0
Model
X399 TAICHI
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7.1 Channels
Audio channels
7.1 Channels
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Realtek ALC887
Audio chipset
Realtek ALC1220
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1 x PS/2 keyboard/mouse combo port(s)
1 x DVI-D
1 x D-Sub
1 x HDMI
1 x LAN (RJ45) port(s)
2 x USB 3.2 Gen 2 (teal blue) (2 x Type-A)
4 x USB 3.2 Gen 1 (blue) Type-A
3 x Audio jack(s)
Back io ports
2 x Antenna Ports
1 x PS/2 Mouse/Keyboard Port
1 x Optical SPDIF Out Port
1 x USB 3.1 Gen2 Type-A Port (10Gb/s) (Supports ESD Protection)
1 x USB 3.1 Gen2 Type-C Port (10Gb/s) (Supports ESD Protection)
8 x USB 3.1 Gen1 Ports (Supports ESD Protection)*
2 x RJ-45 LAN Ports with LED (ACT/LINK LED and SPEED LED)
1 x BIOS Flashback Switch
HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks)
* Ultra USB Power is supported on USB3_6 port.
* ACPI wake-up function is not supported on USB3_6 port.
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AMD B550
Chipset
AMD X399
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No
Crossfire support
Yes
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Yes
Ecc ram support
Yes
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Micro ATX
Form factor
ATX
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Realtek RTL8111H
Lan chipset
Intel i211AT
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2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 - M Key
M2 devices support
2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key
2230 / 2242 / 2260 / 2280 - M Key
2230 - E Key
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2
M2 ports
4
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10/100/1000Mbps
Max lan speed
Dual 10/100/1000Mbps
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128GB
Maximum supported ram
128GB
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2
Onboard usb 20
2
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1
Onboard usb 32 gen 1
2
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1
Pci express x16 slots
4
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2
Pci express x1 slots
1
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Yes
Raid support
Yes
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4
Ram slots
8
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June 2020
Release date
February 2018
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4
Sata 6 gbps ports
8
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No
Sli support
Yes
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AM4
Socket
sTR4
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3333Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4600Mhz
Supported memory
2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200Mhz
3600Mhz
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No
Wireless lan
Yes
