ASRock B450 PRO4

ASRock B450 PRO4

Motherboard • ASRock • $ 207.50

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Overview

Unlock the Potential of Your AMD Ryzen Processor

The ASRock B450 PRO4 is a feature-rich ATX motherboard designed to get the most out of AMD's AM4 platform. Whether you're building a budget gaming rig, a productivity workstation, or a home server, this board offers a solid foundation with robust power delivery, extensive connectivity, and support for the latest DDR4 memory speeds.

Key Features and Performance

Built on the AMD B450 chipset, the ASRock B450 PRO4 supports a wide range of AMD Ryzen processors, from the first-generation Ryzen to the powerful Ryzen 3000 and 5000 series (with a BIOS update). It features a 4+3 phase power design with premium chokes and capacitors, ensuring stable performance even under heavy loads. With support for DDR4 memory up to 3200+ MHz (OC) and a maximum capacity of 128GB across four slots, you can run memory-intensive applications with ease.

The board is equipped with two M.2 slots: an Ultra M.2 slot that runs at PCIe Gen3 x4 for blazing-fast NVMe SSDs, and a second M.2 slot that supports both PCIe Gen3 x2 and SATA3 modes, offering flexibility for additional storage. Six SATA 6 Gb/s ports provide ample room for traditional hard drives and SSDs.

Connectivity and Expansion

For graphics and expansion cards, the ASRock B450 PRO4 includes one PCIe 3.0 x16 slot (reinforced with steel armor) for your primary GPU, one PCIe 2.0 x16 slot (running at x4 mode), and four PCIe 2.0 x1 slots. This allows you to add sound cards, capture cards, or other peripherals.

Rear I/O is comprehensive with USB 3.1 Gen2 Type-A and Type-C ports for high-speed data transfer, along with multiple USB 3.1 Gen1 and USB 2.0 ports. Video outputs include HDMI, DisplayPort, and D-Sub, making it compatible with a wide range of monitors. The Realtek Gigabit LAN ensures reliable network connectivity, and the 7.1-channel HD audio with Realtek ALC892 codec delivers immersive sound.

Who Is It For?

The ASRock B450 PRO4 is ideal for budget-conscious builders who want a reliable, feature-packed motherboard without breaking the bank. It's perfect for gaming setups, office PCs, and content creation builds that require multiple storage options and fast I/O. With its ATX form factor, it fits into most standard PC cases and offers plenty of room for expansion.

Why Choose the ASRock B450 PRO4?

  • Supports AMD AM4 socket for Ryzen processors
  • Dual M.2 slots for high-speed SSDs
  • USB 3.1 Gen2 Type-A and Type-C for fast transfers
  • Reinforced PCIe slot for heavy GPUs
  • Premium audio capacitors for clear sound

Upgrade your build with the ASRock B450 PRO4 and experience the perfect balance of performance and value.

Key Specifications

Form Factor: ATX
Socket: AM4
RAM Type: DDR4 (dual-channel, 3200+ (OC)/ XMP supported)
Max. RAM: 128GB
RAM Slots: 4
Chipset: AMD B450
Connectivity
1X PCIe 3.0 x16 (primary GPU slot), 1X PCIe 2.0 x16 (operates at x4 mode), 4X PCIe 2.0 x1 slots, Dual M.2 slots:, – 1X Ultra M.2 (PCIe Gen3 x4), – 1X M.2 (PCIe Gen3 x2 & SATA3), 6X SATA 6 Gb/s ports, 2X USB 3.1 Gen2 rear ports (Type-A + Type-C), 6X USB 3.1 Gen1 ports (2 front, 4 rear), Realtek Gigabit LAN, Graphics outputs: HDMI, DisplayPort, D-Sub, 7.1-Channel HD Audio (Realtek ALC892)
Back Panel IO
1X HDMI, 1× DisplayPort, 1× D-Sub VGA,, Type-A USB 3.1 Gen2, Type-C USB 3.1 Gen2, Multiple USB 3.1 Gen1 and USB 2.0 Type-A ports, 1X RJ45 LAN, Audio jacks
Onboard USB Headers: Front panel USB 3.1 Gen1 header(s) USB 2.0 headers for front panel ports

Detailed Parameters

Platform:
AMD
Socket:
AM4
RAM Type:
DDR4
Number of RAM Slots:
4
Maximum RAM/slot:
32
Maximum RAM Capacity in GB:
128
PCI Express Version:
3
Form Factor:
ATX
Maximum RAM Speed in MHz:
3200

Where to Buy

Pros

  • Supports a wide range of AMD Ryzen processors, including 5000 series with BIOS update
  • Dual M.2 slots with one supporting PCIe Gen3 x4 for fast NVMe SSDs
  • USB 3.1 Gen2 Type-A and Type-C ports for high-speed data transfer
  • Reinforced PCIe slot to protect against heavy graphics cards
  • Good value for budget builds with essential features

Cons

  • Only one PCIe 3.0 x16 slot; the second x16 slot runs at PCIe 2.0 x4
  • Chipset is older B450, so no PCIe 4.0 support (except for M.2 on some boards, but not here)
  • Limited RGB headers compared to higher-end boards

Frequently Asked Questions

Does the ASRock B450 PRO4 support Ryzen 5000 series processors?

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

Can I use two graphics cards in SLI/CrossFire on this motherboard?

The board has two PCIe x16 slots, but the second slot only runs at PCIe 2.0 x4 bandwidth. This is not suitable for SLI or CrossFire configurations. It is best used for a single GPU setup.

What is the maximum RAM speed supported?

The ASRock B450 PRO4 supports DDR4 memory up to 3200+ MHz (OC) when using XMP profiles. The maximum total memory capacity is 128GB across four slots.

Does the motherboard have onboard Wi-Fi?

No, the ASRock B450 PRO4 does not have built-in Wi-Fi. It includes a Realtek Gigabit LAN port for wired networking. You can add a Wi-Fi card via one of the PCIe slots if needed.

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