ASUS ROG Strix B550-I Gaming DDR4 AMD Motherboard
MPN ASUS-ROG-STRIX-B550-I · Brand ASUS · Mini-ITX
The ASUS ROG Strix B550-I Gaming is a Mini-ITX DDR4 motherboard for AMD AM4 processors, featuring an AMD B550 chipset, PCIe 4.0, dual M.2 slots, WiFi 6, 2.5G LAN, and SupremeFX audio in a compact 17 x 17 cm form factor
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Overview
The ASUS ROG Strix B550-I Gaming is a Mini-ITX motherboard engineered for builders who demand full-sized gaming performance in a compact 17.02 x 17.02 cm footprint. Built around the AMD B550 chipset and AMD AM4 socket, it is compatible with 3rd Generation AMD Ryzen processors and Zen 3 Ryzen 5000 series CPUs, making it a capable foundation for a high-performance small-form-factor gaming rig. Power delivery is handled by an 8+2 DrMOS power stage design paired with high-quality alloy chokes and durable capacitors, providing stable voltage to demanding multi-core AMD processors under sustained load. Thermal management is addressed through dedicated VRM and PCH heatsinks using ASUS Stack Cool 3+ passive cooling architecture, keeping critical components at safe operating temperatures during extended gaming sessions. Connectivity is a standout strength of this board. Onboard WiFi 6 (802.11ax) with Bluetooth 5.1 and a 2.5 Gb Intel LAN port with ASUS LANGuard protection cover both wired and wireless networking needs. Display output options include HDMI 2.1 supporting up to 4K at 60 Hz and DisplayPort 1.2, useful when pairing with an integrated-graphics CPU. Storage expansion comes via two M.2 slots, one of which supports PCIe 4.0 x4 NVMe drives for maximum throughput. Audio is powered by the SupremeFX S1220A codec with DTS Sound Unbound and Sonic Studio III, while ASUS AI Noise Cancelling Mic technology aids voice clarity in communication. Front-panel connectivity includes a USB 3.2 Gen 2 Type-C header, and the rear I/O features a USB 3.2 Gen 2 Type-C port. Aura Sync RGB lighting with both a standard RGB header and an addressable Gen 2 RGB header allow personalisation within the Mini-ITX chassis of your choice. Verified Specifications: - Form Factor: Mini-ITX (17.02 x 17.02 cm) - Chipset: AMD B550 - CPU Socket: AMD AM4 - Compatible CPUs: AMD 3rd Gen Ryzen; Zen 3 Ryzen 5000 series (BIOS update may be required) - Memory: DDR4, 2 DIMM slots, up to 64 GB maximum - Storage: 2x M.2 slots (one PCIe 4.0 x4, one PCIe 3.0) - Graphics Interface: PCIe (PCI-E) - Display Output: HDMI 2.1 (4K@60Hz), DisplayPort 1.2 - Wireless: WiFi 6 (802.11a/b/g/n/ac/ax), Bluetooth 5.1 - LAN: 2.5 Gb - Audio: SupremeFX S1220A codec, DTS Sound Unbound, Sonic Studio III - USB: USB 3.2 Gen 2 front-panel Type-C header; USB 3.2 Gen 2 Type-C rear port - RGB: Aura Sync, 1x RGB header, 1x Addressable Gen 2 RGB header - Weight: 1.09 kg - Model Year: 2020
Datasheet
| Form Factor | Mini-ITX |
|---|---|
| Socket | AM4 |
| Model | ROG STRIX B550-I GAMING |
| Model Year | 2020 |
| Item Weight | 1 kg 90 g |
| Chipset Type | AMD B550 |
| Manufacturer | Asus |
| Wireless Type | 802.11a/b/g/n/ac, 802.11ax |
| Number Of Items | 1 |
| Country Of Origin | China |
| Item Model Number | ROG STRIX B550-I GAMING |
| Memory Technology | DDR4 |
| Batteries Included | No |
| Batteries Required | No |
| Product Dimensions | 17.02 x 17.02 x 8.13 cm; 1.09 Kilograms |
| RAM Memory Technology | DDR4 |
| Memory Slots Available | 4 |
| Graphics Card Interface | PCI-E |
| Memory Storage Capacity | 64 GB |
| Maximum Memory Supported | 64 GB |
| RAM Memory Installed Size | 64 GB |
| Compatible Processor Types | AMD 3rd Generation Ryzen |




