ASRock

ASRock B450M PRO4 R2.0 AMD Motherboard AM4 Micro ATX

USB 3.2PCIe Gen3

Build Your Dream PC with a Feature-Rich MotherboardIntroducing the ASRock B450M PRO4 R2.0, a versatile Micro ATX motherboard designed for AMD Ryzen processors. Boasting advanced connectivity, robust features, and reliable performance, it's an excellent foundation for gaming and productivity build...

$90.53*
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*Price sourced from Amazon.com. Last updated:Sep 13, 2026.Price and availability are subject to change — details.

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Overview

Build Your Dream PC with a Feature-Rich Motherboard

Introducing the ASRock B450M PRO4 R2.0, a versatile Micro ATX motherboard designed for AMD Ryzen processors. Boasting advanced connectivity, robust features, and reliable performance, it's an excellent foundation for gaming and productivity builds.

Specifications:

  • CPU Support: AMD AM4 Socket Ryzen 2000, 3000, and 5000 Series
  • Chipset: AMD Promontory B450
  • Memory: DDR4
  • USB Ports: USB 3.2 Gen2 Type-A and Type-C
  • M.2: Ultra M.2 (PCIe Gen3 x4)
  • Protection: Full Spike Protection (USB, Audio, LAN)
  • Form Factor: Micro ATX
  • Dimensions: 10.9 x 10.3 x 2.5 inches
  • Weight: 2.2 pounds

Key Features

ASRock USB 3.2 Gen2 Type-A Port (10 Gb/s)

ASRock Ultra M.2 (PCIe Gen3 x4)

ASRock Full Spike Protection (for all USB, Audio, LAN Ports)

ASRock Live Update & APP Shop

Supports AMD AM4 Socket Ryzen 2000, 3000 and 5000 Series Desktop Processors

Specifications

Motherboard Type
Micro ATX
Socket Type
AMD AM4 Socket
Supported Processors
Ryzen 2000, 3000, 5000 Series Desktop Processors
USB Ports
ASRock USB 3.2 Gen2 Type-A Port (10 Gb/s)
M.2 Slots
ASRock Ultra M.2 (PCIe Gen3 x4)
Protection Features
ASRock Full Spike Protection (USB, Audio, LAN)
Software Features
ASRock Live Update & APP Shop

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Frequently Asked Questions

This ASRock B450M PRO4 R2.0 motherboard supports AMD AM4 Socket Ryzen 2000, 3000, and 5000 Series Desktop Processors.
It features an ASRock USB 3.2 Gen2 Type-A Port, which offers high-speed data transfer rates of up to 10 Gb/s.
Yes, it includes an ASRock Ultra M.2 slot that supports PCIe Gen3 x4, allowing for the use of high-speed NVMe SSDs.
ASRock Full Spike Protection is a feature designed to protect all USB, Audio, and LAN Ports on the motherboard from damage caused by unexpected voltage spikes.