MSI B550 Gaming WiFi6E (B550,AM4,ATX,DDR4)

processor

Supported processor slots

Socket AM4

Compatible processors

AMD Ryzen 5000 Series, AMD Ryzen 3000 Series, AMD Ryzen 4000 Series

processor socket

Socket AM4

Processor manufacturer

AMD

memory

ECC compatibility

Non-ECC

Maximum RAM

128 GB

RAM type

DIMM

Storage channels

Dual-channel

Supported memory clock speed (max.)

4800 MHz

Number of memory slots

4000

Supported memory

DDR4-SDRAM

Unbuffered memory

Yes

Supported memory speed

2667,2800,2933,3000,3066,3200,3466,3600,3733,3866,4000,4133,4266,4400,4533,4600,4733,4800,4866 MHz

Memory controller

Supported storage drive interfaces

M.2, PCI Express 4.0, PCI Express 3.0, SATA

Supported storage drives

HDD & SSD

Number of supported storage drives

2

Internal I/O ports

USB 3.2 Gen 2 (3.1 Gen 2) ports

2

SATA III connectors

6

Front panel audio connector

Yes

Number of USB 2.0 interfaces

4000

Total number of SATA ports

6

ATX power connector (24-pin)

Yes

Chassis Intrusion Connector

Yes

RGB LED pin header

Yes

Front panel connector

Yes

SATA connectors

6

CPU fan connector

Yes

TPM connection

Yes

USB 3.2 Gen 1 (3.1 Gen 1) ports

3

I/O ports on the back

DisplayPort version

1.2

Number of VGA (D-Sub) ports

0

USB 3.2 Gen 2 (3.1 Gen 2) Number of Type-C ports

1

USB 3.2 Gen 1 (3.1 Gen 1) Number of Type-C ports

0

Number of HDMI ports

1

HDMI version

1.4

Number of DisplayPort connections

1

Number of Ethernet LAN ports (RJ-45)

1

Number of USB 2.0 ports

8

USB 3.2 Gen 2 (3.1 Gen 2) Number of Type A ports

1

Number of DVI-D ports

0

USB 3.2 Gen 1 (3.1 Gen 1) Number of Type A ports

0

network

Top Wi-Fi standard

Wi-Fi 6E (802.11ax)

Wi-Fi standards

Wi-Fi 6 (802.11ax)

Bluetooth version

5.3

Ethernet/LAN

Yes

Ethernet interface type

Gigabit Ethernet

LAN controller

Realtek 8111H

Bluetooth

Yes

Wi-Fi

Yes

Features

Audio chip

Realtek ALC897

Motherboard chipset family

AMD

Motherboard chipset

AMD B550

Audio channels

7.1 channels

Component for

PC

Expansion slots

PCI-Express x1 (Gen 3.x) slots

1

Number of M.2 (M) slots

2

2. M.2 largest key size

2280

PCI Express x16 slots (Gen 4.x)

1

PCI-Express x16 slots

1

1. M.2 largest key size

2280

PCI Express x1 slots (Gen 4.x)

1

PCI-Express x16 (Gen 3.x) slots

1

2. M.2 highest PCI Express generation

3.0

1. M.2 highest PCI Express generation

4.0

BIOS

BIOS memory size

256 Mbit

System Administration BIOS (SMBIOS) Version

2.8

ACPI version

6.0

BIOS type

UEFI AMI