MSI B550-A PRO/AM4/ATX

Chipset: AMD B550

Dimensional format: ATX format (305 mm x 244 mm)
Processor Support: 3rd Gen AMD Ryzen ™ processors, and future AMD Ryzen ™ processors with BIOS update
Processor socket: AM4

Memory position: 4x DDR4
Memory support:

• Supports DDR4 1866/2133/2400/2667/2800/2933/3000/3066/3200 MHz by JEDEC
• Supports DDR4 2667/2800/2933/3000/3066/3200/3466/3600/3733/3866/4000/4133/4266/4400 + MHz by A-XMP OC MODE

Max. RAM size: 128 GB
Support for memory type: DDR4

• Dual channel memory architecture
• Supports non-ECC UDIMM memory
• Supports ECC UDIMM memory (non-ECC mode)
• Supports un-buffered memory

Graphics card: based on the processor

• 1x HDMI port, supports a maximum resolution of 4096x2160 @ 24Hz
• 1x DisplayPort, supports a maximum resolution of 4096x2160 @ 60Hz

Multi GPU:

• Supports 2-Way AMD CrossFire ™ Technology

Sound card:

• Realtek® ALC892 Codec

Network card:

• 1x Realtek® 8111H Gigabit LAN controller

RAID controller:

• Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices
• Supports RAID 0 and RAID 1 for M.2 NVMe storage devices

Expansion slots:

• 1x PCIe 4.0/3.0 x16 slot (PCI_E1)
• 1x PCIe 3.0 x16 slot (PCI_E3), supports x4 speed
• 2x PCIe 3.0 x1 slots

SATA:

• 6x SATA 6Gb/s ports

M.2:

• 2x M.2 slots (Key M)

USB:

• rear USB ports (total 8)
• 4x USB 2.0 ports
• 1x USB 3.2 Gen 2 10Gbps Type-C port
• 1x USB 3.2 Gen 2 10Gbps port
• 2x USB 3.2 Gen 1 5Gbps Type-A ports
• front USB ports (total 7)
• 1x USB 3.2 Gen 1 5Gbps Type-C port
• 2x USB 3.2 Gen 1 5Gbps ports
• 4x USB 2.0 ports

Internal ports:

• 1x 24-pin ATX main power connector
• 1x 8-pin ATX 12V power connector
• 6x SATA 6Gb/s connectors
• 2x M.2 slots (M-Key)
• 1x USB 3.2 Gen 1 5Gbps Type-C port
• 1x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports)
• 2x USB 2.0 connectors (supports additional 4 USB 2.0 ports)
• 1x 4-pin CPU fan connector
• 1x 4-pin water-pump fan connector
• 6x 4-pin system fan connectors
• 1x Front panel audio connector
• 2x System panel connectors
• 1x Chassis Intrusion connector
• 1x 4-pin RGB LED connector
• 2x 3-pin RAINBOW LED connectors
• 1x TPM module connector
• 1x Clear CMOS jumper

External ports:

• PS/2 Keyboard/Mouse
• DisplayPort
• 1x LAN
• HD Audio Connectors
• Flash BIOS Button
• HDMI
• 4x USB 2.0
• 2x USB 3.2 Gen 1 5Gbps Type-A
• 1x USB 3.2 Gen 2 10Gbps Type-A
• 1x USB 3.2 Gen 2 10Gbps Type-C

Manufacturer website: https://www.msi.com/Motherboard/B550-A-PRO