CPU

Supports AMD Ryzen™ 5000 Series, 5000 G-Series, 4000 G-Series, 3000 Series, 3000 G-Series, 2000 Series, 2000 G-Series and 1000 Series Desktop Processor and Athlon™ with Radeon™ Vega Graphics desktop   processors
Socket AM4

Memory

2x DDR4, Maximum Memory Capacity 64GB
Memory Support DDR4 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733/ 3866/ 4000/ 4133 MHz (by A-XMP OC MODE)
Supports Dual-Channel mode
Supports non-ECC, UDIMM memory
Supports ECC UDIMM memory (non-ECC mode)
Supports un-buffered memory

Onboard Graphics

1x HDMI™
Support HDMI^TM 2.0b with HDR port, maximum resolution of 4K 60Hz*
1x DVI
Support DVI-D, maximum resolution of 1920x1200 60Hz
*Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.

Slot

1x PCI-E x16 slot
1x PCI-E x1 slot
PCI_E1 Gen PCIe 3.0 supports up to x16 (From CPU)
PCI_E2 Gen PCIe 2.0 supports up to x1 (From Chipset)

Audio

Realtek^® ALC897 Codec
7.1-Channel High Definition Audio

Storage

1x M.2
M.2_1 Source (From CPU) supports up to PCIe 3.0 x4 / SATA mode, supports 2280/2260/2242 devices
4x SATA 6G

RAID

Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices

USB

2x USB 2.0 (Rear)
4x USB 2.0 (Front)
4x USB 5Gbps Type A (Rear)
2x USB 5Gbps Type A (Front)

LAN

Realtek^® 8125 2.5Gbps LAN controller

Internal IO

1x Power Connector(ATX_PWR)
1x Power Connector(CPU_PWR)
1x CPU Fan
1x System Fan
2x Front Panel (JFP)
1x Chassis Intrusion (JCI)
1x Front Audio (JAUD)
1x Com Port (JCOM)
1x TPM pin header(Support TPM 2.0)
4x USB 2.0 ports
2x USB 5Gbps Type A ports

Back panel ports

Keyboard/Mouse

DVI-D

HDMI™

USB 3.2 Gen 1 5Gbps (Type-A)

2.5G LAN

Audio connectors

USB 2.0

Operating system

Support for Windows^® 11 64-bit, Windows^® 10 64-bit

Box content

MSI B450M-A PRO MAX II Motherboard

Quick Installation Guide

EZ M.2 Clip

SATA Cable

I/O Shield

PCB Info

mATX
200mmx236mm