ASUS Prime B550M-A, µATX Mainboard, 4x DDR4, max. 128GB, 1x VGA, 1x DVI-D, 1x HDMI 2.1

ASUS Prime B450 Series motherboards provide the solid foundation needed for your first build, plus flexibility to grow with your ambitions. We ve melded all the good stuff that s packed into AMD Ryzenprocessors with essential ASUS design and engineering, so you benefit from industry-leading technologiesincluding automated system tuning, comprehensive cooling controls, and immersive onboard audio. When you build with an ASUS Prime B450 Series motherboard, you build smart, easy and affordably.

ASUS Corporate Stable Model

ASUS Corporate Stable Model CSM is a commercial program designed to provide stable and reliable motherboards. Offering up to 36-month product lifecycle support and 6-month end-of-life notice to allow sufficient lead times for your organization to get ready for product transitions. Each purchase of an ASUS CSM motherboard comes with ASUS Control Center - server-grade IT management software.

ASUS Control Center

ASUS Control Center is centralized IT management software designed to provide a convenient, effective, secure and cost-saving solution for enterprises, small and medium-sized businesses, and data centers in any type of industry. With the help of ASUS Control Center, your organization will be equipped to achieve success in even the most challenging modern IT environments.

Cooler by design

Prime B450 Series features the most comprehensive cooling controls ever, configurable via ASUS Fan Xpert software or the UEFI BIOS.

Make your memory faster

Featuring an array of trace layout tweaks that improve memory stability, PRIME B450 Series provides a potent foundation for your build. With comprehensive support for the full gamut of Ryzen memory configurationsfrom entry-level to performance-orientedPRIME B450 Series is a versatile all-rounder that can work or play.

Media-acclaimed UEFI BIOS

The UEFI BIOS is an early waypoint on any PC-building journey, and Prime B450 Series has one of the best in the business.

USB 3.1 Gen 2 Type-A

Ultimate-speed 10Gbps with USB 3.1 Gen 2 onboard

With backward-compatible USB 3.1 Gen 2 Type-A„, you ll experience ultimate connection flexibility and blazing data-transfer speeds of up to 10Gbpstwice as fast as standard USB 3.1 Gen 1.

USB 3.1 Gen 1 front-panel connector

Future-proof connectivity

USB 3.1 Gen 1 is right where you need it, with two super-speed headers for the front panel. Experience data-transfer speeds up to 10X faster than USB 2.0 with instant plug-and-play connectivity, and avoid back-breaking contortions in the hunt for hard-to-reach rear ports.

M.2

Speed up with onboard M.2

With x4 PCI Express 3.0/2.0 bandwidth, M.2 supports up to 32Gbps data-transfer speeds. It s the perfect choice for an operating system or application drive, providing fast access to data.

AMD StoreMI

Affordable acceleration for any hard drive

AMD StoreMI technology is a software utility that accelerates any drive for better system responsiveness with reduced startup and software load times. It combines SSD performance with the affordability and capacity of an HDD by automatically moving frequently accessed data to dedicated SSD storage.

For more detailed information, please refer to AMD official

Native M.2/NVMe PCIe RAID Support for
Lightning Fast Storage Speed!

Not satisfied with single-storage device read/write speeds? Then join the fast lane and build a RAID 0 array using two PCIe storage drives to enjoy data transfers at lightning speeds.

Built to Last

ASUS is the world s leading motherboard brand. Our motherboards are extensively tested for compatibility with more than 1,000 components and devices, and each new model undergoes a minimum of 8,000 hours of strict validationoffering the peace of mind of knowing that your ASUS motherboard is fit for all environments and applications. Choosing ASUS is an assurance of trouble-free DIY experiences.

1000+

Compatible devices and components

The superior compatibility of Prime B450 Series is evidenced by our extensive list of supported deviceswhich includes thousands of compatible componentsand our Qualified Vendor List QVL that identifies memory compatibility. It all adds up to more choices for worry-free PC-building experiences.

8000+

VALIDATION HOURS

ASUS motherboards offer superb endurance. We verify this by subjecting every board to more than 8,000 hours of stringent tests. A barrage of burn-in, environmental, compatibility, software and safety tests confirm that our motherboards are exceptionally robust. It also shows that ASUS reliability surpasses industry standards, ensuring that every component is designed to function flawlessly in any environment.

Outstanding audio

Combined onboard features deliver elevated audio

Intelligent design and premium hardware create audio quality unlike anything you ve ever experienced!

Aura Sync

Outshine the competition

A well-tuned enthusiast system deserves a matching aesthetic. ASUS Aura Sync offers full lighting connected via the motherboard s RGB header, with a variety of functional presets for external LED strips. And it can all be synced with an ever-growing portfolio of Aura-capable ASUS hardware.

Brighten Up Your Build

LED-illuminated control for PCIe slot and trace paths

Built-in LED lighting options illuminate your build in a variety of eye-catching styles.

Beyond VR ready

Complete your immersion

Prime B450 series isn t just VR readyit goes way beyond. The ASUS Beyond VR Ready marque means that Prime B450 series has been tested with loads of class-leading components to ensure that your productivity, gaming and entertainment needs are tuned for maximum performance. ASUS Beyond VR Ready opens up a new way to configure and build your dream system with total confidence.