Overview
The ASRock B550M Pro4 is a MicroATX motherboard that supports AMD Ryzen 5000 series and other AM4 processors. Featuring the B550 chipset, it provides PCIe 4.0 support for an M.2 slot and memory while maintaining an affordable price point. Known for its solid build and stable performance, this board is a popular choice among budget-conscious builders.
Key Features
- PCIe 4.0 Ready — Supports high-speed graphics cards and NVMe SSDs for faster data transfer.
- Dual M.2 Slots — One Gen4 x4 slot (CPU) and one Gen3 x4 slot (chipset) allow you to install two fast SSDs.
- 4 x DDR4 DIMM Slots — Supports up to 128GB of memory with overclocking profiles up to 4733+ MHz.
- Realtek ALC1200 Audio — 7.1-channel HD audio delivers clear sound for gaming and entertainment.
- Gigabit LAN — Realtek RTL8111H controller ensures reliable wired networking.
Compatibility Guide
This motherboard uses the AM4 socket and works with Ryzen 5000, 4000, and 3000 series CPUs. If you are using a Ryzen 5000 CPU, ensure the BIOS is updated to a compatible version before installation. Memory support is native up to DDR4-3200, with overclocking up to 4733+ MHz. The MicroATX form factor fits in most MicroATX and standard ATX cases. The primary PCIe x16 slot runs at PCIe 4.0 from the CPU, while the second slot is limited to PCIe 3.0 x4 via the chipset.
Ideal Build Scenarios
- Budget Gaming PC — Pair with a Ryzen 5 or Ryzen 7 and a mid-range GPU for excellent 1080p/1440p gaming.
- Home Server / Creative Workstation — Plenty of SATA ports and dual M.2 slots for storage and editing workloads.
- Compact MicroATX Build — Perfect for those who want a smaller footprint without sacrificing performance.
Upgrade Considerations
- CPU Power Delivery — The VRM is adequate for Ryzen 5 and 7, but sustained heavy overclocking on a Ryzen 9 may be limited.
- Memory Configuration — For best stability, use two sticks in dual-channel mode rather than filling all four slots.
- PCIe Lane Sharing — When using the second M.2 slot, some SATA ports may be disabled. Check the manual for specifics.
- Cooler Clearance — Standard CPU coolers fit without issue; large air coolers should be compatible with case dimensions.
The ASRock B550M Pro4 offers a compelling mix of features, performance, and price. It is a reliable foundation for a cost-effective modern PC build.
Product Disclosure (Amazon)
- Manufacturer: ASRock
- Seller: エブリプラス「インボイス登録事業者」適格請求書対応〇
- Fulfilled by: Amazon
- Model: B550M PRO4
- ASIN: B089VY5WVM
- Note: This article covers a manufacturer-made product based on Amazon listing details.