MSI B550-A PRO motherboard AMD B550 Socket AM4 ATX

Data sheet

Height

65 mm

Width

305 mm

Depth

244 mm

Weight

1 kg

Wi-Fi

No

Audio output channels

7.1 channels

Cables included

SATA

USB 2.0 ports quantity

4

Drivers included

Yes

Ethernet LAN (RJ-45) ports

1

HDMI ports quantity

1

Maximum internal memory

128 GB

DisplayPorts quantity

1

Ethernet LAN

Yes

Maximum resolution

4096 x 2160 pixels

Harmonized System (HS) code

84733020

Processor manufacturer

AMD

Motherboard chipset

AMD B550

USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity

2

USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity

1

Memory channels

Dual-channel

Audio chip

Realtek ALC892

USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity

1

Processor socket

Socket AM4

RGB LED pin header

Yes

Ethernet interface type

Gigabit Ethernet

Number of SATA III connectors

6

Memory slots type

DIMM

Parallel processing technology support

2-Way CrossFireX

Motherboard form factor

ATX

Compatible processor series

3rd Generation AMD Ryzen 5
3rd Generation AMD Ryzen™ 3
3rd Generation AMD Ryzen™ 7
3rd Generation AMD Ryzen™ 9

Supported memory types

DDR4-SDRAM

Maximum number of SMP processors

1

Motherboard chipset family

AMD

Number of memory slots

4

Supported memory clock speeds

1866
2133
2400
2667
2800
2933
3000
3066
3200 MHz
3466
3600
3733
3866
4000
4133
4266
4400 MHz
4800 MHz

USB 2.0 connectors

2

ATX Power connector (24-pin)

Yes

CPU fan connector

Yes

Front panel audio connector

Yes

Clear CMOS jumper

Yes

Supported storage drive interfaces

SATA III

PS/2 ports quantity

1

LAN controller

Realtek 8111H

USB 3.2 Gen 1 (3.1 Gen 1) connectors

1

Chassis intrusion connector

Yes

TPM connector

Yes

12V power connector

Yes

PCI Express x16 (Gen 3.x) slots

1

Number of chassis fan connectors

6

RAID levels

0
1
10

Supported storage drive types

HDD & SSD

PCI Express x1 (Gen 3.x) slots

2

Number of M.2 (M) slots

2

PCI Express x16 (Gen 4.x) slots

1

Number of mounting holes

9

Maximum graphics card memory

16000 MB