PRIME B350M-A/CSM
- 5X Protection III: Multiple hardware safeguards for all-round protection
- LED illumination: Lighting control for both PCIe slot and audio trace paths
- Native M.2: Lightning-fast storage speeds
- Onboard USB 3.1: Latest connectivity for ultrafast 10Gbps transfers
- One-stop controls: Media-acclaimed UEFI BIOS with EZ Flash 3

ASUS Corporate Stable Model (CSM) is a commercial program designed to provide stable, reliable motherboards and mini PCs for businesses of all sizes. ASUS CSM offers up to 36-month product lifecycle support and a six-month end-of-life notice to allow sufficient lead times for your organization to get ready for product transitions. Additionally, each purchase of an ASUS CSM product comes with ASUS Control Center Express
, server-grade IT management software — a $60 value.
For more information, please visit at ASUS Corporate Stable Model
About ASUS Control Center ExpressOptimize IT endpoint management
ASUS Control Center Express (ACC Express) is a centralized platform designed to assist IT staff in monitoring and controlling devices within their corporate networks, and facilitate inventory checking in multiple locations remotely to help safeguard against potential issues. Its detailed dashboard provides real-time data to identify system failures and efficiently improve productivity, as well as perform timely asset management checking.
Automate IT maintenanceASUS Control Center Express (ACC Express) 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. ACC Express is designed to enhance power management by setting up power caps to optimize energy usage and reduce outage risks. ACC Express also automatically notifies IT staff in the event of unusual conditions or changes to any device, allowing for faster resolution of potential issues.
Securely manage all of your endpointsSecurity is exceptionally vital in any business environment. ASUS Control Center Express (ACC Express) helps IT staff securely manage endpoint configuration, portable storage access and PC software applications by enabling them to create grouping rules on individual devices. ACC Express prevents unauthorized system access by providing remote disablement of the Registry Editor, blocking USB storage for all nodes at once and monitoring client device status, and providing automatic reboots via watchdog programs.
For more information, please visit at ASUS Control Center Express

















ASUS SafeSlot Core Support

Audio Features
- LED-Illuminated Design
- Audio Shielding
- Dedicated audio PCB Layers
- Premium Japanese Audio Capacitors




Both SATA & PCIe mode




ASUS Prime is the next evolution of the ASUS motherboard, born of a pedigree that stretches back to 1989. Our team of world-class engineers are passionate about empowering everyone to enjoy the benefits of customization and tuning, and the driving force behind the development of Prime is to make advanced enthusiast controls easily accessible — maximizing performance, stability and compatibility for the very best DIY PC experiences. Simply stated: it's time for Prime.
5X
Protection III
Hardware safeguards to ensure long-term durability.

350+
DDR4 Compatibility
Industry-leading DDR4 memory compatibility for best flexibility and reassurance.

1000+
Compatible Devices
Compatibility with a range of CPUs, memory modules, graphics cards and more.

8000+
Validation Hours
Extensive testing with latest components for enhanced reliability, compatibility and safety.








PRIME B350 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 motherboard. That means exceptional protection and stability for your build — thanks to decades of engineering experience from the world's leading motherboard brand.

ASUS Prime motherboards have strengthened solder points around both the PCIe and DIMM pins.





EMI cover
Anti-EMI
surface-mounted
capacitors
* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.


DIGI+ VRM

DRAM Overcurrent Protection

Stainless-Steel Back I/O
* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.






* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.


with ASUS Products

* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.












Exclusive Fan Xpert ensures every fan achieves the best balance of cooling performance and low noise - and with Prime B350 series boards and their hardware-level 4-pin/3-pin PWM/DC mode for case fans, a simple BIOS adjustment lets you run your case fan in PWM/DC. Fan Xpert even includes Auto-Tuning mode to scan and detect all fan characteristics for single-click customization!
* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.




* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.



Audio shielding ensures precision analog/digital separation and greatly reduced multi-lateral interference.

Separate layers for left and right tracks ensures both channels deliver consistent, equal quality.

Premium Japanese audio capacitors provide warm, natural, and immersive sound with exceptional clarity and fidelity.
* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.

With the Energy Processing Unit (EPU) you'll enjoy system power savings. EPU automatically optimizes power consumption, and maximizes savings with Away mode.


* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.







- Intuitive graphical fan control Fine-tune individual fans simply by dragging a curve with the mouse.
- EZ XMP Improve DRAM performance with a click.
- SATA information Easily display SATA port details for device identification.
- Fast clock adjustment Use mouse controls to quickly change time and date settings.
- Last modified log Track last change and save preferred profiles onto a USB drive.
- SATA port renaming Rename SATA ports for easy identification.

* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.
