ASUS Prime B450M-A/CSM AMD AM4 mATX Motherboard with Aura Sync RGB Header

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 Ryzen processors with essential Asus design and engineering, so you benefit from industry-leading technologies - including 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.

Optimize IT endpoint management
Designed to assist IT staff in monitoring and controlling devices within their corporate networks, and facilitate inventory checking in multiple locations remotely

Automate IT maintenance
Allows IT staff to schedule automatic updates of the latest BIOS, software and utilities to specific or all devices at off-peak times, enhancing system stability and IT operational flexibility

Securely manage all of endpoints
Securely manage endpoint configuration, portable storage access and PC software applications by enabling them to create grouping rules on individual devices

Tune it your way

EPU: All-round energy efficiency
With the Energy Processing Unit (EPU) you'll enjoy system-wide power savings. The EPU automatically optimizes power consumption and maximizes savings with Away mode.

Fan Xpert 2+: Flexible cooling controls
Prime B450 Series motherboards offer comprehensive control over system fans, via the included Fan Xpert 2+ software. Auto-Tuning mode intelligently configures all parameters with a single click.

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

Multiple temperature sources: Each header can monitor and react to dedicated thermal sensors.

4-pin PWM/DC fan: Each onboard CHA FAN header supports PWM and DC mode.

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 configurations - from entry-level to performance-oriented - PRIME 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.

Q-Fan Control
Can configure the fan's operating speed manually, or use the easy pre-configured fan profiles to select Standard, Silent, Turbo or Full Speed modes, plus automatic switch to full speed if the temperature hits 75 Degree C.

Search Function
When you're ready for a deeper dive, Advanced mode enables full control over every aspect of the motherboard - with a built-in Search function to find the setting you need in the blink of an eye.

Ultrafast connectivity

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 10Gbps - twice 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.

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.

Reliable stability and compatibility

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 validation - offering 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.

5X Protection III
Prime B450 Series motherboards are engineered with industry-leading 5X Protection III, employing the finest components, excellent circuit design and exacting standards to guarantee the quality and long-term durability of your investment. That means exceptional protection and stability for your build - thanks to decades of engineering experience from the world's leading motherboard brand.

520+ DDR4 compatibility
Industry-leading DDR4 memory compatibility for best flexibility and reassurance.

1000+ Compatible devices and components
The superior compatibility of Prime B450 Series is evidenced by our extensive list of supported devices - which includes thousands of compatible components - and 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.

Upgrade to unrivalled audio

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 audio capacitors
Premium parts provide an immersive sound signature, with exceptional fidelity.

Visual beauty, virtual worlds

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 ready - it 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.

AM4 socket for AMD Ryzen 2nd Generation / Ryzen with Radeon VEGA Graphics / Ryzen 1st Generation Processors
The AMD Ryzen processor is based on the innovative Zen core architecture and features up to eight cores and Radeon Vega integrated graphics. Together with dual-channel DDR4 memory, native 5Gbps USB 3.1 Gen 1 and 16 PCI Express 3.0/2.0 lanes, these AMD AM4-socket processors deliver superb computing performance.

AMD B450 chipset
The AMD B450 chipset delivers high performance and flexibility with the latest AMD AM4-socket Ryzen processors. It also offers AMD StoreMI storage acceleration technology and provides two 10Gbps USB 3.1 Gen2 ports, two USB 3.1 Gen1 ports, and four 6Gbps SATA ports for faster data retrieval.