Asus PRIME B450-PLUS AMD B450 ATX Motherboard

Asus PRIME B450-PLUS AMD B450 ATX Motherboard

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  • Category: Desktop, PC Gaming
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PRIME B450-PLUS - AMD Ryzen ATX Motherboard from ASUS


ATX MOTHERBOARD WITH AURA SYNCWhen you build with ASUS PRIME B450 Series motherboards, you build affordably and stress-free. ASUS have engineered and integrated all the good stuff into one package for use with AMD Ryzen™ processors. You will benefit from ASUS design and engineering, as the Prime B450-PLUS features automatic system tweaking, broad cooling controls, and engaging on-board audio. With built-in LED, illuminated control for PCIe slot and trace paths has never been more convenient and ASUS Aura Sync offers full lighting through the motherboard’s RGB Header.

AMD B450Chipset

AM4CPU Socket

ATXForm Factor

Enhanced UEFI BIOS

EASILY FIND YOUR WAY WITH EZ AND ADVANCED MODESThe UEFI BIOS is an early waypoint on any PC-building journey, and Prime B450 Series has one of the best in the business. The EZ mode makes it incredible easy to overclock a CPU to improve performance or even configure a RAID array for faster data retrieval and backups. Whether you're a PC novice or a seasoned overclocker, EZ and Advanced modes will help you quickly find your way, quickly and easily.

qfan control

Q-FAN CONTROLCan 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 FUNCTIONWhen 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.

ASUS Aura Sync RGB Lighting


BRIGHTEN YOUR BUILDA 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.


Speed Up With Onboard M.2


ULTRAFAST M.2 CONNECTIVITY WITH RAID SUPPORTAn impeccable choice for an operating system or application drive, providing rapid access to data. Speed up with on-board M.2 with x4 PCI Express 3.0/2.0 bandwidth. M.2 supports up to 32Gbps data-transfer speeds. 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.

USB 3.1 Gen 1 and 2


FUTURE-PROOF CONNECTIVITYUSB 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. 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.

AMD StoreMI Technology


AFFORDABLE ACCELERATION FOR ANY HARD DRIVEAMD 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.

Make Your Memory Faster


INDUSTRY-LEADING DDR4 MEMORY COMPATIBILITYFeaturing 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.

One-stop Efficient Controls

RESPONSIVE SURFACE CALIBRATIONPrime B450 Series features the most comprehensive cooling controls ever, configurable via ASUS Fan Xpert software or the UEFI BIOS. Each header can be set to monitor and react to the 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. Each onboard CHA FAN header supports PWM and DC mode.


VERSATILE ENERGY PRODUCTIVITYThe Energy Processing Unit (EPU) automatically amplifies power consumption and maximises savings with Away mode. The smart setting that produces an extreme energy-saving setup by shutting down unused I/O controllers, with the EPU you will appreciate system-wide power reserves.

Comprehensive Cooling Controls

MULTIPLE TEMPERATURE SOURCESEach 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.

Features on the PRIME B450-PLUS


EXCELLENT DESIGN AND PERFORMANCEThe intelligently designed PRIME B450 Series by ASUS is filled with tons of high-quality features, ensuring maximum efficiency and performance. Build your system with confidence.

Visual Beauty, Virtual Worlds

5 x protection

THE MOST IMMERSIVE ENTERTAINMENTThe Prime B450 series goes way beyond VR ready. The ASUS Beyond VR Ready marque feature means that Prime B450 Plus has been certified with tons of high-quality components to guarantee that your efficiency, gaming and entertainment needs are improved for a supreme performance. ASUS Beyond VR Ready opens up a new way to construct and build your dream system with total confidence.

PCB Protection III

5 x protection

SOLID MOTHERBOARD CONSTRUCTION AND DEFENSIVE TECHNOLOGIESPrime 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.

ASUS SafeSlot Protection

safe slot

PROTECT YOUR GRAPHICS CARD INVESTMENTSafeSlot Core is the ASUS-exclusive PCIe® slot. Featuring a fortified design that's anchored to the motherboard by a special hook, Safeslot Core provides 1.6X-stronger retention and 1.3X-greater shearing resistance than standard expansion slots. Prime B450 Series motherboards also have strengthened solder points around both the PCIe and DIMM pins.

Exceptional Audio


COMBINED FEATURES DELIVER ELEVATED AUDIOASUS intelligent design combined with the finest hardware produce audio quality unlike anything you have ever experienced. With Audio Shielding, this separates layers for left and right tracks and analogue/digital signal domains, significantly decreasing multi-lateral interference. Exceptional components and Japanese-made audio capacitors, deliver an immersive sound signature with excellent fidelity.

Reliable Stability and Compatibility


PREMIUM ASUS TECHNOLOGYWith 2.5 x higher surge tolerance the ASUS LANGuard is hardware-level networking shield that employs signal-coupling technology and premium anti-EMI surface-mounted capacitors to ensure a more dependable connection and better output. Featuring an exclusive circuit-protecting design with built-in voltage regulators safeguards your motherboard from damage. Including ASUS-exclusive DIGI+ VRM for precision control and stable power, which transports power to the processor based on real-time demands. Corrosion-resistant stainless-steel back I/O panels bonded with chromium oxide assure a lifespan that's 3X longer than ordinary panels.

B450 Tried and Tested

TOP-TO-BOTTOM RELIABILITY WITH 8000+ VALIDATION HOURSASUS 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.


TEMPERATURE AND HUMIDITY TESTSEnsures components withstand extreme conditions.


THERMAL MEASUREMENT TESTSEnsures that the system remains cool and stable under the heaviest loads.


INSERTION TESTSEvery port and connector is put through repeated installation cycles.


AGING TESTSUp to 48-hour aging test ensures reliability.


POWER-CONSUMPTION TESTSDelivers world-class energy efficiency.


TEMPERATURE AND DC MARGIN TESTSEnsures that the motherboard is capable of coping with voltages fluctuations caused by varying temperatures.


THERMAL-SHOCK TESTSEnsures ability to survive temperature changes during transportation.


NON-OPERATION SHOCK TESTSBuilt to withstand jolts that may occur during shipping.


BURN-IN TESTSEvery component is checked to ensure flawless operation.


INSTALLATION TESTSConnector placement is double-checked to ensure hassle-free installation.