MSI B450M-A PRO MAX II AMD AM4 mATX Motherboard

  • 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.
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Product ID: 8854815080746
Vendor: MSI
Availability : In Stock Pre order Out of stock



AMD B450


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


2x DDR4, Max 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™ (HDMITM 2.0b, max resolution 4K 60Hz)

1x DVI (DVI-D, max resolution 1920x1200 60Hz)


1x PCI-E x16 (PCI_E1 Gen PCIe 3.0, supports up to x16 - From CPU)

1x PCI-E x1 (PCI_E2 Gen PCIe 2.0, supports up to x1 - From Chipset)


1x M.2 (M.2_1 Source supports PCIe 3.0 x4/SATA, supports 2280/2260/2242 devices)

4x SATA 6G


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


2x USB 2.0 (Rear), 4x USB 2.0 (Front)

4x USB 3.2 Gen1 Type A (Rear), 2x USB 3.2 Gen1 Type A (Front)


Realtek® 8125 2.5Gbps LAN controller


Realtek® ALC897 Codec, 7.1-Channel High Definition Audio

Internal I/O

Various internal connectors including power, CPU fan, system fan, front panel, chassis intrusion, front audio, COM port, TPM pin header, USB ports, etc.

Back Panel Ports

Keyboard/Mouse, DVI-D, HDMI™, USB 3.2 Gen 1, 2.5G LAN, Audio connectors, USB 2.0

Operating System

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

PCB Info

mATX, 200mm x 236mm


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