ASUS Prime B550M-A WiFi II AMD AM4 (3rd Gen Ryzen™) Micro ATX Motherboard (PCIe 4.0, WiFi 6, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, Addressable Gen 2 RGB Header and Aura Sync)
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The ASUS Prime B550M-A WiFi II is an expertly engineered micro-ATX motherboard designed to unleash the full potential of AMD 3rd Gen Ryzen™ and Ryzen™ 5000 series processors. Boasting a robust power design, comprehensive cooling solutions, and intelligent tuning options, it provides daily users and DIY PC builders with a perfectly balanced foundation for high-performance computing, competitive gaming, and content creation.
Key Performance Features:
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PCIe 4.0 Readiness: Experience next-generation bandwidth speeds. The PCIe 4.0 x16 slot and M.2 slot unlock the maximum performance capabilities of modern graphics cards and ultra-fast NVMe SSDs.
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Next-Gen WiFi 6 & Bluetooth: Equipped with integrated 802.11ax Wi-Fi 6 for ultra-fast wireless network speeds, improved capacity, and exceptional performance in dense wireless environments.
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Advanced Memory Support: Features dual-channel DDR4 memory architecture with support for ECC (Error-Correcting Code) Memory, offering enhanced data integrity and stability for professional workstations.
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Comprehensive Cooling: Designed with an array of hybrid fan headers and high-quality VRM and PCH heatsinks to keep your system cool, stable, and quiet under heavy operational loads.
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4K Visuals & Versatile I/O: Supports stunning 4K @ 60Hz output via HDMI 2.1 and D-Sub ports, making it perfect for high-resolution displays and processors with integrated graphics.
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Aura Sync RGB Customization: Includes Addressable Gen 2 RGB headers that automatically detect lighting characteristics on compatible devices, allowing effortless system-wide illumination synchronization.
### Technical Specifications:
| Feature | Specification |
| Brand / Model | ASUS Prime B550M-A WiFi II |
| Form Factor | Micro-ATX (mATX) |
| CPU Socket | AMD AM4 |
| Chipset | AMD B550 |
| Memory Support | 4 x DDR4 DIMM slots (Dual Channel, ECC & Non-ECC supported) |
| Expansion Slots | 1 x PCIe 4.0 x16 (runs at x16 mode), 2 x PCIe 3.0 x1 |
| Storage Infrastructure | 1 x M.2 (PCIe 4.0 x4), 1 x M.2 (PCIe 3.0 x4), 4 x SATA 6Gb/s |
| Wireless Networking | Wi-Fi 6 (802.11ax) + Bluetooth 5.2 |
| Wired Networking | Realtek 1Gb Ethernet with ASUS LANGuard |
| Rear Video Ports | 1 x HDMI 2.1 (4K@60Hz), 1 x D-Sub (VGA), 1 x DVI-D |
| Rear USB Ports | 2 x USB 3.2 Gen 2 (Type-A), 4 x USB 3.2 Gen 1 (Type-A) |
### What’s in the Box:
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1 x ASUS Prime B550M-A WiFi II Motherboard
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2 x SATA 6Gb/s cables
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1 x ASUS Wi-Fi moving antenna
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1 x I/O Shield
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1 x M.2 SSD screw package
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1 x Support DVD / User Manual