ASUS ROG STRIX B550-A GAMING ATX Motherboard
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About This Item
- AMD B550 chipset with Socket AM4 for AMD Ryzen processors
- PCIe 4.0-ready with 2 M.2 slots and 6 SATA III connectors
- ATX form factor with 4 DIMM slots supporting up to 128GB DDR4 memory
- 7.1 channel audio with 4 USB 3.2 Gen 1 and 2 USB 3.2 Gen 2 ports
- Supports 2-way CrossFireX and RAID 0, 1, 10 configurations
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ASUS ROG STRIX B550-A GAMING | High-Performance AMD B550 Motherboard
The ASUS ROG STRIX B550-A GAMING AMD B550 Socket AM4 ATX delivers enthusiast-grade performance with PCIe 4.0 support and comprehensive cooling, making it ideal for gamers and content creators building with 3rd Gen AMD Ryzen CPUs.
Slim Specs Table
| Metric | Spec. |
|---|---|
| Socket | AM4 |
| Memory Support | DDR4, up to 128GB |
| M.2 Slots | 2 |
| PCI Express x16 Slots | 3 |
| Audio Channels | 7.1 |
PCIe 4.0-Ready for Next-Gen Performance
This motherboard supports PCIe 4.0, delivering twice the bandwidth of previous generations for compatible NVMe SSDs and GPUs. The triple PCIe x16 slots provide flexible multi-GPU configurations, while the two M.2 slots with PCIe 3.0 support ensure rapid storage options for your operating system and applications.
Robust Power Delivery and Cooling System
ROG Strix B550-A Gaming features a comprehensive VRM cooling solution with multiple heatsinks and fan headers, ensuring stable performance under heavy loads. The Fan Xpert 4 utility provides granular control over all cooling devices, allowing you to balance noise levels with thermal performance based on your specific workload requirements.
Optimized Memory Performance with OptiMem II
ASUS OptiMem II technology has been implemented to enhance memory overclocking potential. By carefully mapping memory signal pathways and adding shielding zones, this motherboard reduces crosstalk and improves signal integrity, particularly beneficial when running high-speed memory kits at their rated frequencies.
Cyberpunk-Inspired Design with RGB Customisation
The silver-and-white finish with bold cyberpunk aesthetics makes this motherboard a visual centrepiece for any build. Through ASUS Aura Sync, you can synchronise RGB lighting across compatible components, while the pre-mounted I/O shield simplifies installation and maintains the clean aesthetic.
Box contents
- ASUS ROG STRIX B550-A GAMING motherboard
- User manual
- Support DVD
- ROG stickers
- SATA cables
- M.2 screw
- I/O shield
Check before you buy
- Confirm your CPU is compatible with Socket AM4 and supports the B550 chipset
- Verify your case supports ATX form factor (305mm x 244mm)
- Check your PSU has sufficient connectors for your GPU and storage configuration
- Confirm your memory kit is on the ASUS Qualified Vendor List for optimal compatibility
Frequently Asked Questions
Q: Does this motherboard support Wi-Fi?
A: No, the ASUS ROG STRIX B550-A GAMING does not include built-in Wi-Fi. You’ll need to use the Ethernet port or add a Wi-Fi adapter.
Q: What processors are compatible with this motherboard?
A: This motherboard supports AMD Ryzen 3000 and 5000 series processors with a BIOS update. Check the ASUS website for the latest compatibility list.
Q: How many graphics cards can I install?
A: You can install up to three graphics cards using the three PCIe x16 slots, though performance will vary based on your CPU and configuration.
Q: Does it support RGB lighting?
A: Yes, the motherboard features ASUS Aura Sync RGB lighting with multiple headers for connecting and controlling RGB strips and components.
Q: What RAID configurations are supported?
A: The motherboard supports RAID 0, 1, and 10 configurations for both SATA and M.2 storage devices.
The Consultant’s verdict & warranty
The ASUS ROG STRIX B550-A GAMING AMD B550 Socket AM4 ATX offers exceptional value for gamers and enthusiasts seeking PCIe 4.0 performance without the premium price of X570 motherboards. Its robust power delivery, comprehensive cooling, and aesthetic appeal make it an excellent foundation for high-performance builds. Covered by the standard Manufacturer Warranty.
| Internal I/O | |
|---|---|
| Number of M.2 (M) slots | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 1 |
| Supported storage drive interfaces | PCI Express 3.0 |
| USB 2.0 connectors | 2 |
| Number of SATA III connectors | 6 |
| Technical details | |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B550 |
| Parallel processing technology support | 2-Way CrossFireX |
| On-board graphics card | No |
| Motherboard form factor | ATX |
| Component for | PC |
| Audio | |
| Audio output channels | 7.1 channels |
| Performance | |
| Windows operating systems supported | Windows 10 Enterprise x64 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B550 |
| RAID levels | 0, 1, 10 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | ATX |
| Component for | PC |
| Processor | |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen™ 3 |
| Processor socket | Socket AM4 |
| Memory | |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Supported memory types | DDR4-SDRAM |
| Supported memory clock speeds | 2133,2400,2666,2800,3000,3200,3466,3600,3866,4000,4133,4400,4600 MHz |
| Maximum internal memory | 128 GB |
| ECC сompatibility | ECC |
| Storage controllers | |
| Supported storage drive interfaces | PCI Express 3.0 |
| RAID levels | 0, 1, 10 |
| RAID support | Yes |
| Graphics | |
| Parallel processing technology support | 2-Way CrossFireX |
| On-board graphics card | No |
| Rear panel I/O ports | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |
| DisplayPort version | 1.2 |
| USB 2.0 ports quantity | 2 |
| HDMI ports quantity | 1 |
| DisplayPorts quantity | 1 |
| Network | |
| Ethernet LAN | No |
| Wi-Fi | No |
| Features | |
| Windows operating systems supported | Windows 10 Enterprise x64 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B550 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | ATX |
| Component for | PC |
| Harmonized System (HS) code | 84733020 |
| Product colour | Black, Silver |
| Expansion slots | |
| Number of M.2 (M) slots | 2 |
| PCI Express x1 (Gen 3.x) slots | 3 |
| PCI Express x16 slots | 3 |
| BIOS | |
| BIOS type | UEFI |
| BIOS memory size | 256 Mbit |
| Software | |
| Windows operating systems supported | Windows 10 Enterprise x64 |
| Logistics data | |
| Harmonized System (HS) code | 84733020 |
| Weight & dimensions | |
| Height | 68 mm |
| Weight | 945 g |
| Width | 305 mm |
| Depth | 244 mm |
| Other features | |
| Height | 68 mm |
| Weight | 945 g |
| Identifiers | |
| Distributor SKUs | MBD-90MB15J0-M0EAY0, 6244902, 119437, ROG STRIX B550-A GAMING, 346751, STD10016997, STD10129925, M2MMBD-90MB15J0-M0EAY0 |
| Additional EANs | 4718017826600 |

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