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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 C maximizing your productivity. UEFI BIOS The renowned ASUS UEFI BIOS provides everything you need to configure tweak and tune your system. It offers intelligently simplified options for PC DIY beginners as well as comprehensive features for seasoned veterans. Advanced Tuning for Serious Tweakers An intuitive Advanced mode offered via the UEFI lets you take complete control. A built-in search feature makes it easy to find options and various Advanced functions let you intelligently make nuanced adjustments so you can dial in performance just the way you want. Search Function Quickly and easily find the option or setting you need. ASUS User Profile Port configuration settings between different BIOS versions or share them with friends. Quick and Simple Setup EZ mode displays vital settings and stats and also offers guided wizards drag-and-drop functionality and one-click application of important settings all to help you get your rig up and running in no time. Intuitive Graphical Fan Control Fine-tune individual fan settings simply by dragging a curve with the mouse. EZ XMP Improve DRAM performance with one click. Aura On/Off mode Stealth Easily enable or disable Aura RGB lighting or every onboard LED for a subdued aesthetic touch. 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. Cooler by Design Prime B550 series features comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS. Multiple Temperature Sources Each header can dynamically reference three thermal sensors. Fan Xpert 2+ allows you to map the temperature of supported ASUS graphics cards to optimize cooling for GPU- and CPU-intensive tasks. Smart Protection A dedicated integrated circuit protects each fan header from overheating and overcurrent. 4-Pin PWM/DC Fan Each onboard chassis fan header supports PWM and DC mode. 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. 802.11ac Wi-Fi PRIME B550M-A AC has 802.11ac Wi-Fi with 1×1 2.4/5GHz antennas for up to 433.3Mbps transfer speeds to ensure that every connected user experiences the best wireless and online speeds! USB 3.2 Gen 2 Type-A Numerous USB ports support high-end rigs loaded with peripherals including two rear-panel USB Type-A connectors with fast USB 3.2 Gen 2 connectivity for compatible cases. 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. Aura Sync Outshine the Competition A well-tuned enthusiast system deserves a matching aesthetic. ASUS Aura offers full RGB lighting control with a variety of functional presets for RGB LED strips connected to the onboard RGB headers. And it can all be synced with an ever-growing portfolio of Aura-capable hardware. Addressable Gen 2 RGB Header The addressable Gen 2 RGB header is now capable of detecting the number of LEDs on second-gen addressable RGB devices allowing the software to automatically tailor lighting effects to specific devices. The new header also