ASUS ROG STRIX B550‑A GAMING ATX Motherboard with AMD AM4, PCIe 4.0, Dual M.2, 2.5Gb Ethernet & Aura Sync RGB

The ASUS ROG STRIX B550‑A GAMING motherboard provides a high‑performance platform for AMD AM4‑based gaming and productivity systems. It supports AMD Ryzen™ 5000 Series, 4000 G‑Series, and 3000 Series processors, giving you broad compatibility for both current and legacy builds.

Designed for Gaming and Performance

This motherboard features a PCIe 4.0 x16 slot for modern graphics performance, faster NVMe storage, and robust connectivity. With two M.2 slots including one with PCIe 4.0 support, your storage can take full advantage of today’s high‑speed SSDs.

Fast Networking and Connectivity

Onboard Intel 2.5Gb Ethernet with ASUS LANGuard provides reliable, high‑speed wired networking that improves responsiveness during online gaming or large file transfers. A full complement of USB 3.2 Gen 2 and Gen 1 ports ensures broad support for peripherals and high‑speed data devices.

Immersive Audio and RGB Control

Equipped with ROG SupremeFX 8‑Channel High‑Definition Audio and robust shielding, the B550‑A GAMING motherboard delivers clear, immersive sound. Customizable Aura Sync RGB lighting with standard and addressable RGB headers lets you personalize your system lighting and synchronize effects across compatible devices.

SPECIFICATIONS

• Model: ASUS ROG STRIX B550‑A GAMING
• Form Factor: ATX (30.5 × 24.4 cm)
• CPU Socket: AMD AM4 Socket
• Chipset: AMD B550
• Memory Support: 4 × DDR4 DIMM, Dual Channel, up to 128 GB (OC speeds supported)
• Graphics Outputs: 1 × DisplayPort 1.2, 1 × HDMI 2.1
• Expansion Slots:
• 1 × PCIe 4.0 x16 (x16 mode)
• 1 × PCIe 3.0 x16 (x4 mode)
• 3 × PCIe 3.0 x1
• Storage:
• 2 × M.2 slots (1 × PCIe 4.0 x4, 1 × PCIe 3.0 x4)
• 6 × SATA 6Gb/s (RAID 0,1,10)
• Ethernet: Intel® I225‑V 2.5Gb with ASUS LANGuard
• USB (Rear):
• 1 × USB 3.2 Gen 2 Type‑C
• 1 × USB 3.2 Gen 2 Type‑A
• 4 × USB 3.2 Gen 1
• 2 × USB 2.0