Asus Prime B550M-A (WI-FI) Desktop Motherboard - AMD B550 Chipset - Socket AM4 - Micro ATX - 128 GB DDR4 SDRAM Maximum RAM - DIMM, UDIMM - 4 x Memory Slots - Gigabit Ethernet - IEEE 802.11 a/b/g/n/ac/ax - HDMI - 4 x SATA Interfaces 3RD GEN RYZEN MICRO ATX MB
AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, Intel® WiFi 6, 1 Gb Ethernet, HDMI/D-Sub/DVI, SATA 6 Gbps, USB 3.2 Gen 2 Type-A, and Aura Sync RGB headers support
- AMD AM4 socket: Ready for 3rd Gen AMD Ryzen™ Processors
- Comprehensive cooling: VRM heatsink, PCH heatsink, and Fan Xpert 2+
- Ultrafast connectivity: Dual M.2, PCIe 4.0, Intel® WiFi 6, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A
- Aura Sync RGB: Onboard addressable Gen 2 header for RGB LED strips, easily synced with Aura Sync-capable hardware
PRIME
ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime B550 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features.
Tune It Your Way
Comprehensive controls form the foundation of the ASUS Prime series. The Prime B550 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work - maximizing your productivity.
Cool to the Core
Prime B550 series is engineered with multiple onboard heatsinks and an array of hybrid fan headers to ensure your rig stays cool and stable under intense workloads.
VRM Heatsink and Thermal Pads
A VRM heatsink with underneath thermal pad improves heat transfer from the MOSFETs and chokes for better cooling performance.
Build on a Solid Foundation
Prime B550 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling and flexible transfer options.
PCIe 4.0 M.2 (up to 64 Gbps)
Achieve speed with onboard M.2
PCIe 4.0 M.2 Slot supports up to 22110 and provide NVMe SSD RAID support for an incredible performance boost. Create a RAID configuration with up to PCIe 4.0 storage device to enjoy the fastest data-transfer speeds on the 3rd Generation AMD Ryzen platform.
Little Things Make a Big Difference
Prime B550 series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive RGB lighting controls that let you customize your system to create a uniquely personal look.
Outstanding Audio
Combined onboard features deliver elevated audio
Intelligent design and premium hardware create audio quality unlike anything you've ever experienced.
Audio Shielding
Separates analog/digital signal domains, significantly reducing multi-lateral interference.
Separate Layer for Left and Right Tracks
Ensures minimal crosstalk between audio paths.
Premium Japanese Capacitors
Premium parts provide an immersive sound signature, with exceptional fidelity.
| Audio Channels | 7.1 |
| Onboard Video | CPU Dependent Video |
| Form Factor | Micro ATX |
| Width | 9.6" |
| Depth | 9.6" |
| Number of PCI Express x1 Slots | 2 |
| Number of Total Expansion Slots | 3 |
| Number of PCI Express x16 Slots | 1 |
| Total Number of PCI Express Slots | 3 |
| Maximum Memory | 128 GB |
| 128 GB | |
| Memory Technology | DDR4 SDRAM |
| Number of Memory Slots | 4 |
| Memory Form Factor | DIMM |
| UDIMM | |
| Memory Speed Supported | 4266 MHz |
| 4400 MHz | |
| 4466 MHz | |
| 4600 MHz | |
| 4800 MHz | |
| 2133 MHz | |
| 2400 MHz | |
| 2667 MHz | |
| 2800 MHz | |
| 3000 MHz | |
| 3200 MHz | |
| 3333 MHz | |
| 3466 MHz | |
| 3600 MHz | |
| 3733 MHz | |
| 3866 MHz | |
| 4000 MHz | |
| 4133 MHz | |
| 4266 MHz | |
| 4400 MHz | |
| 4466 MHz | |
| 4600 MHz | |
| 4800 MHz | |
| 2133 MHz | |
| 2400 MHz | |
| 2667 MHz | |
| 2800 MHz | |
| 3000 MHz | |
| 3200 MHz | |
| 3333 MHz | |
| 3466 MHz | |
| 3600 MHz | |
| 3733 MHz | |
| 3866 MHz | |
| 4000 MHz | |
| 4133 MHz |
| Bluetooth | Yes |
| Gigabit Ethernet | Yes |
| Wireless LAN | Yes |
| Wireless LAN Standard | IEEE 802.11 a/b/g/n/ac/ax |
| RAID Levels | 10 |
| 1 | |
| 0 | |
| Controller Type | Serial ATA/600 |
| RAID Supported | Yes |
| Package Contents |
|
| Country of Origin | China |
| Environmentally Friendly | Yes |
| Environmental Certification | RoHS |
| Brand Compatibility | AMD |
| HDMI | Yes |
| DVI | Yes |
| VGA | Yes |
| Number of Network (RJ-45) Ports | 1 |
| Total Number of USB Ports | 6 |
| Number of USB 3.2 Ports | 6 |
| Number of SATA Interfaces | 4 |
| Total Number of Onboard USB Ports | 6 |
| Number of Onboard USB 2.0 Ports | 4 |
| Onboard S/PDIF Header | Yes |
| Number of M.2 Interfaces | 2 |
| Number of Onboard USB 3.2 Ports | 2 |
| Product Type | Desktop Motherboard |
| Manufacturer Part Number | PRIME B550M-A (WI-FI) |
| Manufacturer | ASUS Computer International |
| Product Model | B550M-A (WI-FI) |
| Product Name | Prime B550M-A (WI-FI) Desktop Motherboard |
| Product Line | Prime |
| Brand Name | Asus |
| Processor Supported | Ryzen 9 PRO |
| Ryzen 3 | |
| Ryzen 9 | |
| Ryzen 5 | |
| Ryzen 7 PRO | |
| Ryzen 7 | |
| Ryzen 5 Pro | |
| Total Processor Supported | 1 |
| Processor Socket | Socket AM4 |
| Chipset Manufacturer | AMD |
| Chipset Model | B550 |