MSI B450M-A PRO MAX II AMD M-ATX Motherboard – AM4 Ryzen, 2xDDR4-max64GBCapacity,1xPCIe x16slot, 4xSATA 6Gb, 6xUSB3.0, 6xUSB2.0, DVI-D HDMI, 2.5G LAN | B450M-A PRO MAX II

MSI B450M-A PRO MAX II AMD M-ATX Motherboard – AM4 Ryzen, 2xDDR4-64GBCapacity,1xPCIe x16slot, 4xSATA 6Gb, 6xUSB3.0, 6xUSB2.0, DVI-D HDMI, 2.5G LAN

MSI AMD B450M-A PRO MAX AM4 motherboard inspired from architectural design, with Core Boost, DDR4 Boost, Turbo M.2, USB 3.2 Gen1

•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 processors and Athlon™ with Radeon™ Vega Graphics desktop processors
•Supports DDR4 Memory, up to 4133 (OC) MHz
•Turbo M.2: Running at PCI-E Gen3 x4 maximizes performance for NVMe based SSDs.
•Audio Boost: Reward your ears with studio grade sound quality.
•2.5G LAN: Upgraded network solution for professional and multimedia use. Delivers a secure, stable and fast network connection
•X-Boost: Software that auto-detects and allows you to boost the performance of any storage or USB device.
•Core Boost: With premium layout and fully digital power design to support more cores and provide better performance.

SPECIFICATIONS

Model Name B450M-A PRO MAX II

CPU Support
Supports AMD Ryzen™ 5000 Series, 5000 G-Series, 4000 GSeries, 3000 Series, 3000 G-Series, 2000 Series, 2000 GSeries and 1000 Series desktop processors and Athlon™ with Radeon™ Vega Graphics desktop processors

CPU Socket
Socket AM4

Chipset
AMD B450 Chipset

Expansion Slots
1x PCIe 3.0 x16 slot
1x PCIe 2.0 x1 slot

Display Interface
Support 4K@60Hz as specified in HDMI™ 2.0b, DVI-D
– Requires Processor Graphics

Memory Support
2 DIMMs,
Dual Channel DDR4-4133+MHz(OC)

Storage
1x M.2 Gen3 x4 32Gbps slot
4x SATA 6Gbps ports

USB ports
6x USB 3.2 Gen 1 5Gbps (6 Type-A)
6x USB 2.0

LAN
Realtek® 8125BG 2.5G LAN

Audio
8-Channel (7.1) HD Audio with Audio Boost

Product Last Updated: 11/12/2025

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