ASUS Prime 300 Series motherboards provide the solid foundation needed for your first build, plus flexibility to grow with your ambitions. Weve melded all the good stuff thats packed into the latest 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 300 Series motherboard, you build smart, easy and affordably.
Tune it your way Improved DDR4 stability ASUS OptiMem preserves memory signal integrity by routing traces and vias to the optimal PCB layer, and our T-Topology trace layout ensures time-aligned signaling by balancing trace lengths between memory slots. These enhancements allow the Prime 300 Series to support a wide range of dual and quad-DIMM memory kits, while providing your rig with the stability it needs to deal with any type of workload - whether youre gaming or running intensive applications
Cooler by design Prime 300 Series features the most comprehensive cooling controls ever, configurable via ASUS Fan Xpert software or the UEFI BIOS.
4-pin PWM/DC fan 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.
Media-acclaimed UEFI BIOS The UEFI BIOS is an early waypoint on any PC-building journey, and Prime 300 Series has one of the best in the business.
Q-Fan Control Can configure the fans 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 75C.
Ultrafast connectivity
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. Its the perfect choice for an operating system or application drive, providing fast access to data.
Intel Optane memory Intel Optane memory ready Intel Optane is a revolutionary non-volatile memory technology supported by Prime 300 Series motherboards. Intel Optane memory modules accelerate attached storage to reduce boot and load times, so everything feels faster and more responsive.
Reliable stability and compatibility
Built to Last ASUS is the worlds 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 Hardware safeguards to ensure long-term durability.
520+ 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 300 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 worlds leading motherboard brand.
1000+ Compatible devices and components The superior compatibility of Prime 300 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.
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.
Brighten Up Your Build LED-illuminated control for trace paths Built-in LED lighting options illuminate your build in a variety of eye-catching styles.
Intel B365 chipset The Intel B365 is a single-chipset design that supports Socket 1151 for 9th Gen and 8th Gen Intel Core, Pentium Gold and Celeron processors. It provides improved performance by utilizing serial point-to-point links, allowing increased bandwidth and stability. Additionally, the B365 chipset provides a maximum of eight USB 3.1 Gen 1 ports, six SATA 6Gbps ports, and 32Gbps M.2 and PCIe 3.0 lane-speed support, for faster data retrieval. Intel B365 also supports integrated-graphics, so youll enjoy the very latest in graphics performance.
Ready for Socket 1151 for 9th / 8th Gen Intel Core, Pentium Gold and Celeron processors This motherboard supports Socket 1151 for 9th Gen and 8th Gen Intel Core, Pentium Gold and Celeron processors, with integrated graphics, memory and PCI Express controllers to support onboard graphics output with dedicated chipsets, dual-channel (4-DIMM) DDR4 memory and 16 PCI Express 3.0/2.0 lanes for great performance.
- ASUS OptiMem: Careful routing of traces and vias to preserve signal integrity for improved memory stability - Fan Xpert: Flexible controls for ultimate cooling and quietness, plus GPU-temperature sensing for cooler gaming - 5X Protection III: Multiple hardware safeguards for all-round protection - Ultrafast connectivity: Native M.2 support for Lightning-fast storage speeds