Asrock B550 Pro4 ATX Motherboard

ASRock B550 Pro4 | AMD B550 Socket AM4 ATX Motherboard

The Asrock B550 Pro4 AMD B550 Socket AM4 ATX delivers robust performance for AMD Ryzen 3000 Series processors, combining PCIe 4.0 support, dual M.2 slots, and comprehensive connectivity for a reliable desktop build.

Slim Specs Table

Built for Ryzen 3000 Series Performance

Engineered for AMD Ryzen 3000 Series CPUs, this motherboard supports up to 4533 MHz DDR4 memory and features an 8-phase power design with premium 50A chokes. The 2oz copper PCB ensures stable signal delivery and efficient heat dissipation, making it ideal for both everyday computing and demanding multitasking workloads.

Dual M.2 Storage with PCIe 4.0

Featuring two M.2 slots, the B550 Pro4 supports the latest NVMe SSDs, including Type 2280 and 22110 form factors. The primary M.2 slot runs at PCIe Gen4 x4 speeds for ultra-fast storage, while the secondary slot offers PCIe Gen3 x2 or SATA III modes. M.2 armor shields protect SSDs from overheating, ensuring consistent performance under load.

Comprehensive I/O and Expansion

The rear I/O panel provides four USB 3.2 Gen 1 ports, one USB 3.2 Gen 2 Type-A, and one USB 3.2 Gen 2 Type-C for high-speed peripheral connections. Additional ports include HDMI, VGA, PS/2, and a Gigabit Ethernet RJ-45 connector. Two PCIe x1 slots and reinforced PCIe x16 slots accommodate expansion cards and heavy graphics cards securely.

Advanced Cooling and Protection

With four chassis fan headers, CPU and water cooling support, and system monitoring for CPU, fan, temperature, and voltage, the B550 Pro4 maintains optimal operating conditions. Full Spike Protection safeguards components from unexpected voltage surges, while the reinforced steel PCIe slot ensures graphics card stability.

Polychrome RGB Lighting Control

ASRock’s Polychrome RGB technology lets you customise lighting across the motherboard’s built-in LEDs, connected RGB strips, and compatible devices. Sync lighting effects across Polychrome RGB Sync-certified accessories for a cohesive build aesthetic.

Box contents

• ASRock B550 Pro4 motherboard
• SATA cables (quantity not specified)
• User manual and driver CD
• I/O shield

Check before you buy

• Confirm your AMD Ryzen CPU is from the 3000 Series or compatible AM4 lineup
• Verify your case supports ATX form factor (305 x 244 mm)
• Check if your GPU and other expansion cards fit with the PCIe layout
• Ensure you have adequate cooling for your intended CPU and workload

Frequently Asked Questions

Q: Does this motherboard support PCIe 4.0 GPUs?

A: Yes, the primary PCIe x16 slot supports PCIe 4.0 for the latest graphics cards.

Q: Can I install Wi-Fi on this board?

A: No built-in Wi-Fi, but an M.2 Key E Wi-Fi card can be added if desired.

Q: How many SATA drives can I connect?

A: Six SATA III ports are available for HDDs and SSDs.

Q: Is RGB lighting customisable?

A: Yes, via ASRock Polychrome RGB software for LEDs and compatible accessories.

Q: What RAID configurations are supported?

A: RAID 0, RAID 1, and RAID 10 are supported for storage arrays.

The Consultant’s verdict & warranty

The Asrock B550 Pro4 AMD B550 Socket AM4 ATX is a dependable choice for users building a Ryzen 3000 Series system who want PCIe 4.0 storage, robust power delivery, and flexible expansion without breaking the budget. Its comprehensive cooling, protection features, and RGB control make it suitable for both performance and aesthetic-focused builds. Covered by the standard Manufacturer Warranty.