Asus Prime B450M-A/CSM mATX Motherboard

ASUS Prime B450M-A/CSM AMD Ryzen 2 AM4 DDR4 HDMI DVI VGA M.2 USB 3.1 Gen2 mATX Motherboard

• Powered by 2nd generation AMD® Ryzen™ AM4 processors to maximize connectivity and speed with NVMe M.2, USB 3.1 Gen2, DDR4 and Gigabit LAN
• ASUS Corporate Stable Model complimentary Advance Replacement and long lifecycle with a COM header and PS2 ports for legacy needs
• 5X Protection III hardware-level safeguards provide component longevity and reliability
• Aura Sync RGB header provides a nearly endless spectrum of colors with the ability to synchronize effects across an ever-expanding ecosystem of enabled products
• Patent-pending SafeSlot Core fortified PCIe slot prevents damage caused by heavyweight GPUs

PRIME

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.

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 be set to monitor and react to up to three thermal sensors. Via Fan Xpert, you can also assign a sensor to monitor the temperature of supported ASUS graphics cards to ensure optimal cooling during GPU- or CPU-intensive workloads.

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°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.

EZ mode

EZ Tuning Wizard
Quickly apply a CPU overclock to improve system performance, or configure a RAID array for faster data retrieval and backups

Intuitive graphical fan control
Fine-tune individual fans simply by dragging a curve with the mouse.

SATA Information:
Display SATA port details that help you easily recognize drives.

Fast Clock Adjustment:
Use mouse controls to change the time and date.

Advanced mode

My Favorites
Quickly find tuning options and add preferred tools to the list.

User Profile
Save BIOS settings for migration to new BIOS version or system.

SATA Port Renaming:
Rename SATA ports for easy identification.