# ASUS ROG Strix B550-A Gaming AMD ATX Motherboard with PCIe 4.0, 2.5Gb LAN, BIOS Flashback, Dual M.2 heatsinks, Aura Sync

- Category: Motherboard
- Brand: ASUS
- Model: ROG Strix B550-A Gaming
- Part number: ROG Strix B550-A Gaming
- Price (US): $256.56
- Price last checked: 2026-08-06
- Rating: 4.6/5 from 1731 Amazon reviews
- Warranty: 3 years
- Product page: https://buildmypc.net/component-details/motherboard/asus-rog-strix-b550-a-gaming/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | ASUS |
| Model | ROG Strix B550-A Gaming |
| Socket Type | AM4 |
| Chipset | AMD B550 |
| Form Factor | ATX |
| Memory Type | 4 x DDR4 |
| Max Memory Support | 128 GB |

## Key Features

- AMD AM4 Socket and PCIe 4. 0: The perfect pairing for Zen 3 Ryzen 5000 and 3rd Gen AMD Ryzen CPUs.Audio: Supports up to 32-Bit/192kHz playback
- Robust Power Design: 12 plus 2 DrMOS power stages with high-quality alloy chokes and durable capacitors provide reliable power for the last AMD high-count-core CPUs
- High-performance Gaming Networking: 2.5 Gb LAN with ASUS LANGuard
- Best Gaming Connectivity: Supports HDMI 2.1(4K at 60HZ) and DisplayPort 1.2 output, featuring dual M.2 slots (NVMe SSD)—one with PCIe 4.0 x4 connectivity, USB 3.2 Gen 2 Type-C port and Thunderbolt 3 header
- Industry-leading Gaming Audio and AI Noise Cancelling Mic Technology: High fidelity audio from a SupremeFX S1220A codec with DTS Sound Unbound and Sonic Studio III draws you deeper into the action. Communicate clearly with ASUS AI Noise Cancelling Mic technology.

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