
Asus ROG Strix B550-A Gaming Motherboard AMD Ryzen 3 Chipset for Socket AM4 DDR4 4xDIMM, Max.128GB, PCI Express 3.0. Component for: PC, 6xSATA, RAID
Description
ASUS ROG STRIX B550-A GAMING
ASUS ROG STRIX B550-A GAMING Motherboard AMD Ryzen 3 Chipset for Socket AM4 DDR4 4xDIMM, Max.128GB, PCIe4x16, PCIe3x16, 3xPCIe3x1, 2xM.2, 6xSATA, RAID
ASUS ROG STRIX B550-A GAMING. Processor manufacturer: AMD, Processor socket: Socket AM4, Compatible processor series: AMD Ryzen 3. Supported memory types: DDR4-SDRAM, Maximum internal memory: 128 GB, Memory slots type: DIMM. Supported storage drive interfaces: PCI Express 3.0. Component for: PC, Motherboard form factor: ATX, Motherboard chipset family: AMD. BIOS type: UEFI, BIOS memory size: 256 Mbit
Features
ROG STRIX B550-A GAMING
AMD B550 Ryzen AM4 Gaming ATX motherboard with PCIe 4.0, teamed power stages, Intel 2.5Gb Ethernet, dual M.2 with heatsinks, SATA 6 Gbps, USB 3.2 Gen 2 and Aura Sync RGB
- AMD AM4 socket: Ready for Ryzen 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
- Best gaming connectivity: PCIe 4.0-ready, dual M.2, USB 3.2 Gen 2 Type-C plus HDMI 2.1 and DisplayPort 1.2 output support
- Smooth networking: Intel 2.5Gb Ethernet with ASUS LANGuard
- Robust power solution: Teamed power stages with ProCool power connector, high-quality alloy chokes and durable capacitors
- Renowned software: Intuitive dashboards for UEFI BIOS and ASUS AI Networking make it easy to configure gaming builds
- DIY-friendly design: Includes pre-mounted I/O shield, BIOS FlashBack, Q-LEDs and SafeSlot
- Unmatched personalization: ASUS-exclusive Aura Sync RGB lighting, including Aura RGB header and addressable Gen 2 RGB header
- Industry-leading gaming audio: AI Noise-Canceling Microphone, SupremeFX S1220A codec, DTS Sound Unbound and Sonic Studio III for immersive audio
Processor
Processor socket | Socket AM4 |
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Processor manufacturer | AMD |
Compatible processor series | AMD Ryzen 3 |
Network
Wi-Fi | N |
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Ethernet LAN | N |
Weight & dimensions
Width | 305 |
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Depth | 244 |
Height | 68 |
Memory
Maximum internal memory | 128 |
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Supported memory types | DDR4-SDRAM |
Number of memory slots | 4 |
Memory slots type | DIMM |
Supported memory clock speeds | 2133,2400,2666,2800,3000,3200,3466,3600,3866,4000,4133,4400,4600 |
Features
Component for | PC |
---|---|
Motherboard form factor | ATX |
Motherboard chipset family | AMD |
Motherboard chipset | AMD B550 |
Windows operating systems supported | Windows 10 Enterprise x64 |
Internal I/O
USB 2.0 connectors | 2 |
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USB 3.2 Gen 2 (3.1 Gen 2) connectors | 1 |
Rear panel I/O ports
USB 2.0 ports quantity | 2 |
---|---|
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
HDMI ports quantity | 1 |
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |
DisplayPorts quantity | 1 |
DisplayPort version | 1.2 |
BIOS
BIOS memory size | 256 |
---|---|
BIOS type | UEFI |
Storage controllers
Supported storage drive interfaces | PCI Express 3.0 |
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Logistics data
Harmonized System (HS) code | 84733020 |
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Other features
Weight | 945 |
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Inventory Last Updated: Apr 01, 2025