ASRock B450M PRO4

Motherboard • ASRock • $ 93.56

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Overview

The ASRock B450M PRO4 is a versatile and reliable micro-ATX motherboard designed for AMD Ryzen processors. Built on the proven AMD B450 chipset, it offers a solid foundation for budget-conscious builders, gamers, and productivity users who want to maximize performance without breaking the bank. With support for a wide range of AM4 CPUs, including Ryzen 5000 series (with BIOS update), this board provides excellent upgrade paths.

Key Features and Performance

Equipped with four DDR4 DIMM slots, the B450M PRO4 supports up to 64GB of memory with speeds reaching 3200MHz (OC). This ensures smooth multitasking and responsive performance for demanding applications. The board features two PCIe x16 slots (one PCIe 3.0 x16 and one PCIe 2.0 x16) and one PCIe 2.0 x1 slot, giving you flexibility for graphics cards, capture cards, or other expansion cards.

Storage options are abundant: four SATA3 ports and one Ultra M.2 slot (PCIe Gen3 x4) allow for high-speed NVMe SSDs, dramatically reducing boot times and game loading. Connectivity is well-covered with dual USB 3.2 Gen2 ports (Type-A and Type-C) and six USB 3.2 Gen1 ports, ensuring fast data transfer for peripherals and external drives. Realtek Gigabit LAN provides stable and low-latency networking for online gaming and streaming.

Target Audience and Use Cases

This motherboard is perfect for budget gamers building a Ryzen 5 or Ryzen 7 system, home office PCs, or media centers. Its mATX form factor fits neatly into compact cases while still offering ample features. Whether you're assembling a first-time build or upgrading an older system, the B450M PRO4 delivers dependable performance and essential features at an attractive price point.

Why Choose the ASRock B450M PRO4?

Support for AMD AM4 socket Ryzen processors (including 5000 series with BIOS update)
DDR4 memory up to 64GB with overclocking support
Ultra M.2 for blazing-fast NVMe SSDs
Dual USB 3.2 Gen2 for high-speed connectivity
7.1 CH HD Audio for immersive sound
Micro-ATX size fits most cases
Reliable ASRock quality with a comprehensive I/O panel

In summary, the ASRock B450M PRO4 is a feature-rich, cost-effective motherboard that offers excellent value for anyone building an AMD-based system. Its combination of performance, connectivity, and expandability makes it a smart choice for a wide range of computing needs.

Key Specifications

Form Factor: mATX

Socket: AM4

RAM Type: DDR4

Max. RAM: 64GB

RAM Slots: 4

Chipset: AMD B450

Connectivity

1 PCIe 3.0 x16, 1 PCIe 2.0 x16,, 1 PCIe 2.0 x1, HDMI, DVI-D, D-Sub,, 7.1 CH HD Audio, 4 SATA3,, 1 Ultra M.2, 2 USB 3.2 Gen2,, 6 USB 3.2 Gen1, Realtek Gigabit LAN

Detailed Parameters

Platform:: AMD
Socket:: AM4
RAM Type:: DDR4
Number of RAM Slots:: 4
Maximum RAM/slot:: 16
Maximum RAM Capacity in GB:: 64
PCI Express Version:: 3
Form Factor:: Micro-ATX
Maximum RAM Speed in MHz:: 3200

Where to Buy

Amazon

Pros

Excellent value for budget builds
Supports Ryzen 5000 series (with BIOS update)
Two M.2 slots (one Ultra M.2, one M.2) for storage flexibility
Good selection of USB ports including USB 3.2 Gen2
7.1 CH HD Audio for immersive sound

Cons

PCIe 3.0 only, no PCIe 4.0 support
Max RAM speed limited to 3200MHz (OC)
No built-in Wi-Fi or Bluetooth

Frequently Asked Questions

Does the ASRock B450M PRO4 support Ryzen 5000 series processors?

Yes, with a BIOS update. The board supports AMD Ryzen 5000 series CPUs (e.g., Ryzen 5 5600X) after updating to the latest BIOS version. Check ASRock's website for the specific BIOS required.

How many M.2 slots does the ASRock B450M PRO4 have?

It has two M.2 slots: one Ultra M.2 (PCIe Gen3 x4) and one M.2 (PCIe Gen2 x2 and SATA3). The Ultra M.2 is ideal for high-speed NVMe SSDs.

What is the maximum RAM capacity and speed?

The motherboard supports up to 64GB of DDR4 RAM across four slots, with speeds up to 3200MHz (OC). For optimal performance, use a matched kit of two or four modules.