MSI M/Board AMD 1st/2nd/3rd Gen Ryzen AM4 CPU B450M-A Pro Max

2 x DDR4 memory slots, support up to 64GB *ComboPI 1.0.0.3-based and above BIOS are required.

Support DDR4 1866/ 2133/ 2400/ 2667Mhz(by JEDEC)

For AMD Ryzen Gen3 (R5/R7/R9)

2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3733/ 3866/ 4000/ 4133 MHz (by A-XMP OC MODE)

For AMD Other CPU

2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466 MHz (by A-XMP OC MODE)

Dual channel memory architecture

Supports ECC UDIMM memory (non-ECC mode)

Support non-ECC UDIMM memory

1 x PCIe 3.0 x16 slot

Supports x16 speed

1st, 2nd and 3rd Gen AMD Ryzen™

Supports x8 speed

Ryzen™ with Radeon™ Vega Graphics

2nd Gen AMD Ryzen™ with Radeon™ Graphics

A-series

Athlon™ X4

Supports x4 speed

AMD® Athlon™ with Radeon™ Vega Graphics

PCIe 2.0 x1 slot

1 x DVI-D port, supports a maximum resolution of 1920x1200@60Hz12

1 x HDMI™ 2.0b with HDR port, supports a maximum resolution of 4K @60Hz123

Only support when using the processor with GraphicssMaximum shared memory of 2048 MBGraphics specifications may vary depending on the CPU installed.

AMD® B450 Chipset

4 x SATA 6Gb/s ports

Supports RAID 0, RAID1 and RAID 10

1x M.2 slot (Key M)

Supports PCIe 3.0 x4 and SATA 6Gb/s

1st, 2nd and 3rd Gen AMD Ryzen™

Ryzen™ with Radeon™ Vega Graphics

2nd Gen AMD Ryzen™ with Radeon™ Graphics

Supports PCIe 3.0 x2 and SATA 6Gb/s

AMD® Athlon™ with Radeon™ Vega Graphics

A-series

Athlon™ X4

Supports 2242/2280/22110 storage devices

6x USB 3.2 Gen1 (SuperSpeed USB) ports (4 ports on the back panel, 2 ports available through the internal USB connector)

6x USB 2.0 (High-speed USB) ports (2 ports on the back panel, 4 ports available through the internal USB connectors)

Realtek® ALC892/ALC897 Codec

7.1-Channel High Definition Audio

1x 24-pin ATX main power connector

1x 4-pin ATX 12V power connector

4x SATA 6Gb/s connectors

2x USB 2.0 connectors (supports additional 4 USB 2.0 ports)

1x USB 3.2 Gen1 connector (supports additional 2 USB 3.2 Gen1 ports)

1x 4-pin CPU fan connector

1x 4-pin system fan connector

1x Front panel audio connector

2x Front panel connectors

1x TPM module connector

1x Chassis Intrusion connector

1x Serial port connector

1x Clear CMOS jumper

Mouse

DVI-D Port

USB 3.2 Gen1

LAN Port

Keyboard

HDMI™ Port

USB 2.0 Ports

HD Audio Connectors

9.3 in. x 7.9 in. (23.6 cm x 20.0 cm)

m-ATX Form Factor

Support for Windows® 10 64-bit

Support for Windows® 7 64-bit

* To support Windows® 7 64-bit, you must install an AMD Pinnacle Ridge & Summit Ridge CPU.