The ASUS ROG STRIX B550-A GAMING motherboard is a high-performance ATX motherboard designed for AMD CPUs, specifically compatible with the AMD Socket AM4. Released in July 2020, it incorporates the AMD B550 chipset and supports a single CPU setup.
This motherboard is built for demanding users, featuring a robust 12+2 power phase design with Vcore single output delivering 50A per phase. It supports DDR4 memory with speeds up to 5100MHz (PC4-40800) and has four memory slots, enabling dual-channel configurations and supporting a maximum memory capacity of 128GB.
For expansion, the ROG STRIX B550-A GAMING includes:
- PCIe 4.0 x16 slot for high-speed graphics card connections
- PCIe 4.0 and PCIe 3.0 versions for versatile expansion options
- Multi-GPU support via CrossFire X
The storage interface is versatile, offering:
- Two M.2 slots compatible with PCIe, NVMe, and SATA modes
- Six SATA3 ports for additional storage devices
- RAID support through SATA
Connectivity is comprehensive with rear I/O featuring:
- 7 USB Type-A ports (including high-speed 10Gbps and 5Gbps options)
- 1 USB Type-C port (10Gbps)
- HDMI and DisplayPort for graphics output
- RJ-45 port powered by Intel I225-V chipset for 2.5Gbps wired LAN
The audio system boasts the SupremeFX S1220A chipset providing 7.1 channel analog output, ensuring high-quality sound. Additional headers for Thunderbolt, USB 3.0, USB 2.0, and fan connections enhance the motherboard’s versatility.
This motherboard also includes several user-friendly features such as M.2 heatsinks, UEFI BIOS, and AURA SYNC RGB lighting, catering to both performance enthusiasts and gamers looking for aesthetic customization.