# MSI ProSeries AMD Ryzen 2ND and 3rd Gen AM4 M.2 USB 3 DDR4 D-Sub DVI HDMI Crossfire ATX Motherboard (B450-A Pro Max) (B450APROMAX)

- Category: Motherboard
- Brand: MSI
- Model: B450A PRO MAX
- Part number: B450-A PRO MAX
- Price (US): currently unavailable
- Price last checked: 2026-08-06
- Rating: 4.6/5 from 1736 Amazon reviews
- Warranty: 3 years
- Product page: https://buildmypc.net/component-details/motherboard/msi-b450a-pro-max-b450-a-pro-max/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | MSI |
| Model | B450A PRO MAX |
| Socket Type | AM4 |
| Chipset | AMD B450 |
| Form Factor | ATX |
| Memory Type | 4 x DDR4 |
| Max Memory Support | 64 GB |

## Key Features

- 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 desktop processors for Socket AM4
- Supports DDR4 Memory, up to 4133(OC) MHz
- Turbo M.2: running at PCI-E Gen3 x4 maximizes performance for NVMe based SSDs
- Flash BIOS button: Simply use a USB key to flash any bios within seconds, without installing a CPU, Memory or graphics card
- Multi-gpu: With Steel Armor PCI-E slots. Supports 2-Way AMD Crossfire

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