ASRock
ASRock B550 PHANTOM GAMING-ITX/AX Motherboard
Best compact solution for powerful small form factor gaming builds.
The ASRock B550 PHANTOM GAMING-ITX/AX motherboard is a compact powerhouse designed for AMD AM4 Ryzen processors. It boasts an 8-phase power design with Dr.MOS for stable power delivery and supports DDR4 memory up to 5400+ MHz (OC). Connectivity includes HDMI and DisplayPort for graphics output, 4 SATA3 ports, and multiple M.2 slots for high-speed storage. Networking is handled by Intel 2.5G LAN and Wi-Fi 6 with Bluetooth 5.1. The board also features 7.1 CH HD Audio with Nahimic Audio for an immersive sound experience. Its Mini-ITX form factor makes it ideal for small form factor builds, while ECC RAM support adds an extra layer of reliability.
$390.97
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Owner Satisfaction
4.4
/ 5
Category Rank
441
/ 1130
#441 in Motherboards
Price vs Category Average
+17%
Above average
CPU Socket
4
/ AM
Who it's for
- Gamers and enthusiasts building space-saving, high-performance systems
- Users demanding cutting-edge speed for components and internet access
- Performance-focused users running powerful processors in small enclosures
Who should skip it
- Builders needing multiple add-in cards or extensive memory configurations
- Value-oriented consumers prioritizing cost-effectiveness over compact size
- First-time builders or those preferring a more spacious and forgiving assembly process
Key Specs
CPU Socket
AM4
Chipset
AMD B550
Form Factor
Mini-ITX
Memory Type
DDR4
Memory Slots
2
SATA Ports
4
M.2 Slots
2
PCIe Version
PCIe 4.0
Features
- Supports Latest AMD Ryzen Processors
- High-Speed DDR4 Memory Support
- Robust 8-Phase Power Design
- Integrated Wi-Fi 6 and Bluetooth 5.1
- High-Quality 7.1 CH HD Audio
- Multiple M.2 Slots for Storage
- Compact Mini-ITX Form Factor
- ECC RAM Support for Reliability
What customers say
Customers generally praise this motherboard for its impressive feature set packed into a compact ITX form factor, offering excellent value. Many highlight its robust build quality and reliable performance, making it a solid foundation for small form factor builds. Users appreciate the comprehensive connectivity options and stable operation, often noting it exceeds expectations for its price point. The overall sentiment leans positively towards its capability and dependable nature.
Know before you buy
This board features an AM4 socket designed for AMD Ryzen processors. It is best suited for Ryzen 3000, 4000 G-Series, and 5000 series desktop processors.
Yes, the 8-phase power design with Dr.MOS provides the stability needed for high-end gaming. Its support for PCIe 4.0 and high-speed DDR4 memory ensures it can handle demanding modern components.
Yes, this motherboard supports ECC memory, which helps detect and fix data corruption. This makes it a reliable choice if you are building a compact workstation or a home server.
You have plenty of options for a small build: there are four SATA3 ports for traditional drives and two M.2 slots for high-speed NVMe SSDs.
The board includes Wi-Fi 6 and a 2.5G LAN port, both of which are designed to provide low-latency, high-speed connectivity. For the most consistent performance in competitive games, the 2.5G wired connection is recommended.
This is a Mini-ITX motherboard, which is the smallest standard form factor. While it will fit in almost any case, it is specifically optimized for compact, space-saving builds.
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