ASUS Prime series is expertly engineered to unleash the full potential of 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series 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. This platform delivers the power and connectivity that advanced AI PC applications demand.
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 Heatsinks and Thermal Pads
The VRM heatsinks with underneath thermal pads improve 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 AMD Ryzen™ 5000 Series/ 3000 Series Processors.
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.
- Ryzen 3 processors supported for enhanced, dependable system performance with maximum usability
- DDR4 SDRAM compatible slot - Allows the memory to operate at an effective bus speed while using minimal power, resulting in an optimal computer performance and improved memory heat dissipation
- RAID supported levels provide data reliability and fault tolerance
- IEEE 802.11a/b/g/n/ac wireless standard support lets you connect to the internet and have instant access to social media, music, movies, and online games
- HDMI interface connects variety of HD devices including Gaming Controllers, Blu-ray players, laptops, PCs, digital cameras and many others for you to experience the ultimate HD display
- DisplayPort transmits both audio and video signals through a common channel to deliver versatile performance
- Retrieve a significant number of PCI slots, expansion slots, and peripheral ports that have an enhanced heat dissipation capability with the ATX desktop motherboard
| Brand | |
|---|---|
| Brand | ASUS Computer International |
| CPU / Processor | |
|---|---|
| Processor Supported | Ryzen 5 |
| Total Processor Supported | 1 |
| Processor Generation Supported | 2nd Gen |
| Processor Socket | Socket AM4 |
| GPU / Graphics | |
|---|---|
| Onboard Video | CPU Dependent Video |
| Memory / RAM | |
|---|---|
| Memory Technology | DDR4 SDRAM |
| Memory Speed Supported | 4866 MHz |
| Memory Form Factor | UDIMM |
| Number of Memory Slots | 2 |
| Error Checking | ECC |
| Maximum Memory Supported | 128 GB |
| Storage | |
|---|---|
| RAID Supported | Yes |
| RAID Levels | 1 |
| Networking & Connectivity | |
|---|---|
| Wireless LAN | Yes |
| Bluetooth | Yes |
| Bluetooth Standard | Bluetooth 5.0 |
| USB Ports | |
|---|---|
| Total Number of Onboard USB P | 6 |
| Number of Onboard USB 2.0 Por | 4 |
| Total Number of USB Ports | 6 |
| HDMI Ports | |
|---|---|
| HDMI | Yes |
| DisplayPort | |
|---|---|
| DisplayPort | Yes |
| Ethernet Port | |
|---|---|
| Number of Network (RJ-45) Por | 1 |
| Gigabit Ethernet | Yes |
| Audio Ports | |
|---|---|
| S/PDIF | Yes |
| Audio | |
|---|---|
| Audio Channels | 7.1 |
| Size / Dimensions | |
|---|---|
| Form Factor | ATX |
| General Features | |
|---|---|
| Chipset Manufacturer | AMD |
| Chipset Model | B550 |
| AI-powered | Yes |
| Controller Type | Serial ATA/600 |
| Manufacturer | ASUS Computer International |
| Brand Compatibility | AMD |
| Expansion Slots | |
|---|---|
| Number of PCI Express x16 Slo | 7 |
| Total Number of PCI Express S | 7 |
| Total Number of Expansion Slots | 7 |
| PCI Express Standard | PCI Express 3.0 |
| Misc Ports | |
|---|---|
| Number of M.2 Interfaces | 2 |
| Number of SATA Interfaces | 6 |

















