ASUS ROG Strix B550-A Gaming DDR4 AMD Motherboard

The ASUS ROG Strix B550-A Gaming is a full-size ATX motherboard built on the AMD B550 chipset and designed for the AM4 socket platform. It supports AMD 3rd Generation Ryzen processors as well as Zen 3-based Ryzen 5000 series CPUs, making it a capable foundation for a high-performance gaming desktop. At the heart of its power delivery is a 12+2 DrMOS power stage configuration paired with high-quality alloy chokes and durable capacitors. This robust VRM design is intended to supply stable, sustained power to higher core-count Ryzen processors without thermal throttling under load. For fast storage, the board provides dual M.2 slots supporting NVMe SSDs, with one slot running at PCIe 4.0 x4 — the full bandwidth available on compatible Ryzen CPUs. A PCIe 4.0 primary x16 slot accommodates modern discrete graphics cards. Display output is handled via HDMI 2.1 (supporting up to 4K at 60 Hz) and DisplayPort 1.2 for systems using integrated Ryzen graphics. Networking is served by a 2.5 Gigabit LAN port backed by ASUS LANGuard surge protection, alongside 802.11ac Wi-Fi. Audio is powered by a SupremeFX S1220A codec with DTS Sound Unbound and Sonic Studio III support, and ASUS AI Noise Cancelling Mic technology is included for clearer voice communication. Connectivity includes a USB 3.2 Gen 2 Type-C rear port, a Thunderbolt 3 header, and a total of 8 USB ports across the I/O panel. The board ships with a pre-mounted I/O shield for easier installation and features BIOS FlashBack for firmware updates without a CPU installed, Q-LEDs for rapid POST diagnostics, and a reinforced SafeSlot PCIe slot. Personalisation is supported through ASUS Aura Sync RGB lighting in white, with both standard RGB headers and a Gen 2 addressable RGB (ARGB) header for compatible accessories. Key Specifications: - Chipset: AMD B550 - Socket: AM4 (AMD 3rd Gen Ryzen / Ryzen 5000 series) - Form Factor: ATX (30.48 x 24.38 cm) - Memory: 4 x DIMM slots, DDR4, up to 128 GB maximum supported - Storage: 2 x M.2 slots (one PCIe 4.0 x4 NVMe) - Primary PCIe Slot: PCIe 4.0 x16 - LAN: 2.5 Gigabit with ASUS LANGuard - Wireless: 802.11ac Wi-Fi - Display Output: HDMI 2.1 (4K@60Hz), DisplayPort 1.2 - Audio Codec: SupremeFX S1220A - USB: 8 total ports including USB 3.2 Gen 2 Type-C - Headers: Thunderbolt 3 header, RGB header, ARGB Gen 2 header - Weight: 1.68 kg