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

Supports 1st, 2nd and 3rd Gen AMD Ryzen™ / Ryzen™ with Radeon™ Vega Graphics and 2nd Gen AMD Ryzen™ with Radeon™ Graphics / Athlon™ with Radeon™ Vega Graphics and A-series / Athlon X4 Desktop Processors for Socket AM4

AMD® B450 Chipset

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

1 x Realtek® 8111H Gigabit LAN controller

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

6 mounting holes

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.