ASUS PRIME B550M-A Micro-ATX Motherboard – AMD B550, AM4, PCIe 4.0 & Dual M.2 for Reliable Gaming Performance
ASUS PRIME B550M-A Micro-ATX Motherboard – AMD B550, AM4, PCIe 4.0 & Dual M.2 for Reliable Gaming Performance is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
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ASUS PRIME B550M-A Micro-ATX Motherboard – AMD B550, AM4, PCIe 4.0 ...
| Manufacturer | Asus |
| Chipset | AMD B550 |
| Cpu socket | AM4 |
| Form factor | mATX |
| Memory slots | 4 |
| Memory type | DDR4 |
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The ASUS PRIME B550M-A is a compact micro-ATX motherboard engineered for AMD Ryzen platforms. It combines the AMD B550 chipset with an AM4 socket, dual M.2 slots (one PCIe 4.0), DDR4 memory support up to 128 GB, 1 Gb Ethernet, HDMI 2.1, DVI-D and D-Sub outputs, SATA 6 Gbps ports and USB 3.2 Gen 2 connectivity. Designed for everyday productivity and gaming systems, it delivers stable power delivery, comprehensive cooling options and flexible expansion in a space-efficient form factor suitable for Egyptian PC builders.
key features
- AMD AM4 socket + B550 chipset - Ready for Ryzen 5000 / 4000 G / 3000 series processors with full PCIe 4.0 support for modern graphics cards and storage.
- Dual M.2 slots (PCIe 4.0 x4 + PCIe 3.0 x4) + 4× SATA 6 Gbps - High-speed NVMe storage options and RAID 0/1/10 flexibility for faster boot times and data handling.
- 4× DDR4 DIMM slots, up to 128 GB dual-channel - Smooth multitasking and strong memory overclocking potential for gaming and productivity workloads.
- Robust connectivity (USB 3.2 Gen 2, 1 Gb Ethernet, HDMI 2.1) - Fast peripheral data transfer and multi-display support for versatile system builds.
key specifications
| Feature | Specification |
|---|---|
| Form Factor | micro-ATX (24.4 × 24.4 cm) |
| Chipset | AMD B550 |
| CPU Socket | AMD AM4 (Ryzen 5000 / 5000 G / 4000 G / 3000 Series) |
| Memory | 4× DIMM, Max. 128 GB, DDR4 4600+(OC)/4400(OC)/.../2133 MHz, Dual Channel |
| Expansion Slots | 1× PCIe 4.0 x16 (x16 mode), 2× PCIe 3.0 x1 |
| Storage | 2× M.2 (PCIe 4.0 x4 + PCIe 3.0 x4 & SATA), 4× SATA 6 Gbps, RAID 0/1/10 |
| Graphics Outputs | 1× HDMI 2.1 (4K@60 Hz), 1× DVI-D, 1× D-Sub |
| LAN | 1× Realtek RTL8111H 1 Gb Ethernet |
| USB | Rear: 2× USB 3.2 Gen 2 Type-A + 4× USB 3.2 Gen 1; Front headers available |
| Audio | Realtek ALC887 7.1-channel HD Audio |
| Cooling | VRM heatsink, PCH heatsink, Fan Xpert 2+ support |
| Special Features | Aura Sync RGB headers, SafeSlot Core, DIGI+ VRM, 5X Protection III |
* Specifications may vary by region and model variant.
performance excellence
The PRIME B550M-A leverages the AMD B550 chipset and PCIe 4.0 x16 slot to deliver full bandwidth for modern graphics cards and high-speed NVMe storage. One M.2 slot supports PCIe 4.0 x4 (up to 64 Gbps) for next-generation SSDs, while dual-channel DDR4 memory architecture ensures responsive system performance under gaming and productivity workloads. DIGI+ VRM and quality power delivery components maintain stability even with multi-core Ryzen processors.
user experience & comfort
Fan Xpert 2+ software and hybrid fan headers provide precise cooling control, including Auto-Tuning and Extreme Quiet modes for quieter operation during light tasks. The intuitive ASUS UEFI BIOS offers both EZ Mode for beginners and Advanced Mode for enthusiasts, simplifying system setup, memory tuning and overall configuration. Compact micro-ATX dimensions fit most mid-tower and smaller cases while retaining essential expansion options.
design & build quality
Built with ASUS 5X Protection III, the board includes SafeSlot Core for reinforced PCIe retention, overvoltage and overcurrent protection, LANGuard, and a stainless-steel back I/O panel for long-term durability. VRM and chipset heatsinks improve thermal performance under sustained loads. Onboard Aura Sync RGB headers allow synchronized lighting effects with compatible components for a customized system aesthetic.
connectivity & compatibility
- 1× PCIe 4.0 x16 (graphics) + 2× PCIe 3.0 x1 expansion slots
- Dual M.2 slots (one PCIe 4.0 x4 & one PCIe 3.0 x4 / SATA modes) + 4× SATA 6 Gbps ports with RAID 0/1/10 support
- Rear I/O: 2× USB 3.2 Gen 2 Type-A, 4× USB 3.2 Gen 1, HDMI 2.1, DVI-D, D-Sub, 1 Gb Ethernet, PS/2, 3× audio jacks
- Internal headers for additional USB 3.2 Gen 1 / USB 2.0, RGB lighting, audio and system fans
- Compatible with AMD Ryzen 5000 Series, 5000 G-Series, 4000 G-Series and 3000 Series desktop processors (refer to the official ASUS CPU support list for the latest BIOS updates)
perfect for
- Budget-conscious gaming and productivity PC builds using AMD Ryzen processors
- Compact micro-ATX systems requiring dual M.2 storage and PCIe 4.0 bandwidth
- Multi-display office or content-creation setups needing HDMI 2.1 / DVI / VGA outputs
- Users seeking a reliable, feature-rich foundation motherboard available in the Egyptian market
why choose this product
The ASUS PRIME B550M-A balances essential modern features—PCIe 4.0, dual M.2, solid power design and comprehensive connectivity—within an affordable micro-ATX platform. It provides a dependable base for Ryzen-based systems without unnecessary extras, backed by ASUS reliability features, extensive validation and long-term component durability.
frequently asked questions
Q: Which processors are compatible with the ASUS PRIME B550M-A?
A: It supports AMD Ryzen 5000 Series, 5000 G-Series, 4000 G-Series and 3000 Series desktop processors via the AM4 socket. Always check the latest CPU support list and required BIOS version on the official ASUS website before installation.
Q: Does this motherboard support PCIe 4.0 graphics cards and NVMe SSDs?
A: Yes. The primary PCIe x16 slot operates at PCIe 4.0 with compatible Ryzen processors, and one M.2 slot supports PCIe 4.0 x4 for high-speed NVMe SSDs. The second M.2 slot supports PCIe 3.0 x4 and SATA modes.
