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.
* ESD result is undertaken by individual LANGaurd


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.
ESD TVS diode protection on the LAN circuit.
TVS diodes for surface-mount and dual-inline packages.
Additional on-circuit ESD TVS diodes to protect D-Sub functionality.
Additional on-circuit ESD transient-voltage-suppression diodes.
* 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.
With onboard thermal sensors and hardware-level 4-pin/3-pin PWM/DC mode detection, Fan Xpert 2+ makes sure every fan achieves the best balance of cooling performance and low noise!
- Auto-Tuning Mode: Scans fan parameters and all fans with a single click.
- Extreme Quite Mode: Reduces the CPU fan speed to below the default minimum, for extra-quiet operation and power savings during light loads.
* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.


