The ASUS ROG STRIX B550-A is a feature-rich motherboard designed for AMD CPUs, compatible with the AM4 socket, and released in July 2020. It leverages the AMD B550 chipset, offering a blend of performance, expandability, and advanced connectivity options tailored for gamers and power users.
Key specifications include:
- Form Factor: ATX (30.5×24.4cm)
- Power Phase: 12+2 phase design with 50A per phase for Vcore output
- Memory Support: DDR4 with speeds up to 5100MHz (PC4-40800), supporting up to 128GB across 4 slots in a dual-channel configuration
Expansion capabilities are extensive with:
- PCIe Slots:
- 1 PCIe 4.0 x16 slot
- 1 PCIe 4.0 x16 slot (at x4)
- 3 PCIe 3.0 x1 slots
- Multi-GPU Support: CrossFire X
For storage, the motherboard offers multiple high-speed options:
- M.2 Slots: 2 slots supporting PCIe, NVMe, and SATA
- SATA3 Ports: 6 ports for 6Gb/s connections
- RAID Support: SATA RAID
Graphics and connectivity options are versatile, featuring:
- Graphics Outputs: HDMI and DisplayPort
- USB Ports:
- Rear Panel: 7 USB Type-A (1 at 10Gbps, 4 at 5Gbps, 2 USB 2.0), 1 USB Type-C (10Gbps)
- Network:
- Wired LAN: Intel I225-V chipset, supporting 2.5Gbps speeds
- 1 RJ-45 port
The audio subsystem is powered by the SupremeFX S1220A chipset, providing 7.1-channel (8ch) analog output for an immersive sound experience.
Additional features include:
- Thunderbolt Header
- USB Headers: 1 USB 3.0, 2 USB 2.0
- Fan Headers: 3 system fan 4-pin headers
- RGB Headers:
- 2 RGB 12V 4-pin headers
- 1 ARGB 5V 3-pin header
- Cooling Solutions: M.2 heatsinks
- BIOS: UEFI BIOS with advanced settings
- LED System: AURA SYNC for customizable RGB lighting
The ASUS ROG STRIX B550-A motherboard combines powerful hardware support with advanced connectivity and robust cooling solutions, making it a solid choice for creating a high-performance and visually striking gaming or productivity system.