- PRIME B450M-K
- Improved DDR4 stability
- 5-Way Optimization
- One-click overclock and cooling, done!
- Cooler by design
- Make your memory faster
- Media-acclaimed UEFI BIOS
- OC Design – ASUS Pro Clock Technology
- ASUS Fan Holder
- Make your memory go faster
- USB 3.1 Gen 2 Type-A
- Ultimate-speed 10Gbps with USB 3.1 Gen 2 onboard
- USB 3.1 Gen 1 front-panel connector
- Future-proof connectivity
- Speed up with onboard M.2
- AMD StoreMI
- Affordable acceleration for any hard drive
- M.2 heatsink
- Keep your SSD cooler
- 3D-Printable M.2 fan mount
- Active cooling for your SSD
- Guide to start 3D printing
- Upgrade your RAID
- U.2 connector
- Join the NVMe revolution
- Intel Optane memory
- Intel Optane memory ready
- ThunderboltEX 3 Card
- Experience blistering Thunderbolt TM 3 speeds and any-way-up connectivity
- 802.11ad Wi-Fi
- Fastest onboard Wi-Fi up to 4.6 Gbps
- Native M.2/NVMe PCIe RAID Support for Lightning Fast Storage Speed!
- LANGuard
- Pumped-up throughput, 2.5x higher surge tolerance
- Turbo LAN
- Network-optimization software for customizable packet prioritization
- Multi-GPU support
- Built to Last
- SafeSlot Core
- Fortified PCIe slot prevents damage
- LANGuard
- Pumped-up throughput, 2.5X-higher surge tolerance
- Overvoltage Protection
- World-class circuit-protecting power design
- DIGI+ VRM
- Precision control for stable power
- DRAM Overcurrent Protection
- Short-circuit damage prevention
- Stainless-steel back I/O panel
- 3X corrosion-resistance for greater durability
- ESD Guards
- Electrostatic discharge protection
- Compatible devices and components
- VALIDATION HOURS
- SafeSlot
- Protect your graphics card investment
- Outstanding audio
- Combined onboard features deliver elevated audio
- LiveDash
- See system info at a glance
- Addressable RGB LED strip header
- Control every LED
- Aura Sync
- Outshine the competition
- Brighten Up Your Build
- LED-illuminated control for PCIe slot and trace paths
- Beyond VR ready
- Complete your immersion
PRIME B450M-K
view on your table
View the model in 3D
3 USB 3.1 Gen 1 Ports
4 USB 3.1 Gen 2 Ports
12 AMD B450 Chipset
13 32Gb/s M.2 Support
SATA & PCIE x4 mode
14 4 x SATA 6Gb/s Ports
15 2 x Front USB 3.1 Gen 1
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.
Improved DDR4 stability
A larger signal eye results in improved stability, more overclocking headroom, and lower operating voltages
Tested by using Synopsys HSPICE simulation software
5-Way Optimization
One-click overclock and cooling, done!
ASUS 5-Way Optimization makes your PC smart. One click takes care of complex tuning, dynamically optimizing essential aspects of the system to provide overclocking and cooling profiles that are tailored for your rig.
An automated tuning utility that optimizes overclocking and cooling profiles for your unique system configuration.
Fans stay whisper-quiet with everyday computing, and deliver optimal airflow when the system is crunching through CPU or GPU-intensive tasks.
Stress test function helps optimize and overclock for CPU- or memory-centric workloads.
With the Energy Processing Unit (EPU) you’ll enjoy system-wide power savings. The EPU automatically optimizes power consumption and maximizes savings with Away mode.
Prime B450 Series motherboards offer comprehensive control over system fans, via the included Fan Xpert software. Auto-Tuning mode intelligently configures all parameters with a single click.
Whether you’re a professional designer or hardcore gamer, you’ll feel the benefit of the ASUS-exclusive Turbo App. This intuitive tool allows you to define CPU overclocking, apply fan profiles, prioritize network data and optimize audio settings at app level ― so your Prime Z370-A system is perfectly optimized for whatever you’re doing.
Cooler by design
Prime B450 Series features the most comprehensive cooling controls ever, configurable via ASUS Fan Xpert software or the UEFI BIOS.
Each header can monitor and react to dedicated thermal sensors.
Each onboard CHA FAN header supports PWM and DC mode.
* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.
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 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.
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.
OC Design – ASUS Pro Clock Technology
Prime Z370-A includes a dedicated base-clock (BCLK) generator that extends CPU and memory overclocking margins. This custom solution works in tandem with the TPU to enhance voltage and BCLK overclocking control, providing the flexibility to extract every ounce of performance from the Intel Core 8th Generation processors.
ASUS Fan Holder
With the all-new ASUS Fan Holder increasing airflow your Prime Z370 Series motherboard’s VRM area is simple. Just screw on a 40/50mm fan, mount the bracket on the heatsink, and hook the fan up to a header for a targeted cooling boost. With the Fan Holder and fan in place, VRM temperatures are reduced by up to 25 o C — perfect for your overclocking adventures.
Make your memory go faster
Prime X399-A is engineered to support quad-channel memory kits rated up to a staggering DDR4 3600MHz, allowing you to get the best performance from the X399 platform. We’ve worked with all major DDR4 memory vendors to help ensure compatibility, so you’re assured the best compatibility.
CPU : Ryzen™ Threadripper™ 1950X | Motherboard: PRIME X399-A |
DRAM : G.Skill F4-3866C18Q-16GTZ | PSU: Cooler Master-RS850-AFBA-G1 | Water-cooling : Corsair H115i
USB 3.1 Gen 2 Type-A
Ultimate-speed 10Gbps with USB 3.1 Gen 2 onboard
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.
* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.
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.
* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.
Speed up with onboard M.2
With x4 PCI Express ® 3.0/2.0 bandwidth, M.2 supports up to 32Gbps data-transfer speeds. It’s the perfect choice for an operating system or application drive, providing fast access to data.
* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.
AMD StoreMI
Affordable acceleration for any hard drive
AMD 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.
For more detailed information, please refer to AMD official website : https://www.amd.com/en/technologies/store-mi
M.2 heatsink
Keep your SSD cooler
Prime Z370-A has an ultra-efficient heatsink to reduce M.2 SSD temperatures by up to 20°C — and that means optimal storage performance and improved SSD longevity.
3D-Printable M.2 fan mount
Active cooling for your SSD
ASUS Prime Z370-A features dedicated mounting points for the ASUS 3D-printable M.2 cooler. Supporting a 40mm fan, the M.2 cooler teams up with the onboard M.2 heatsink to reduce drive temperatures by up to 25°C, ensuring your high-performance SSD always delivers peak performance.
Guide to start 3D printing
Download Select the 3D source files you want to download.
Personalize Adjust size or shape, add text or change other attributes.
Print Use your own printer, or visit a local vendor or ASUS store with Shapeways.
Setup Easily assemble and fit your 3D-printed parts using M.2 nuts or existing case mounts.
Upgrade your RAID
Unleash the Prime X299-Deluxe Virtual RAID on CPU (VROC) feature with the addition of an ASUS Hyper M.2 X16 Card*, which allows you to attach up to four PCIe ® 3.0 x16 M.2 drives — for a total bandwidth of up to 128Gbps. With VROC, you can utilize CPU PCIe lanes to configure a bootable RAID array, eliminating traditional DMI bottlenecks, so that storage transfers aren’t held back by other traffic.
U.2 connector
Join the NVMe revolution
The revolutionary specification that lets your SSDs scream at top speed. Just attach your chosen drive to with plug-and-play ease to experience data-transfer speeds of up to 32Gbps — and free up a PCIe slot for another expansion card.
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.
ThunderboltEX 3 Card
Experience blistering Thunderbolt TM 3 speeds and any-way-up connectivity
Prime Z370-A provides full support for a ThunderboltEX 3* card. An Intel-certified Thunderbolt™ 3 add-on card enables breathtaking bi-directional speeds of up to 40Gbps through a single cable — up to 4X faster than other PC data-transfer protocols. Beyond sheer bandwidth, Thunderbolt 3 supports daisy-chaining up to six devices, utilizes a Type-C reversible connector for compatibility with the latest USB 3.1 Gen 2 Type-C devices, and meets USB Power Delivery specifications for fast, high-power charging of up to 36W.
*ThunderboltEX 3 card available separately for purchase.
802.11ad Wi-Fi
Fastest onboard Wi-Fi up to 4.6 Gbps
Prime X299-Deluxe is engineered with the very latest 802.11ad (WiGig) Wi-Fi* for ultrafast, lag–free wireless connections of up to 4.6Gbps**, delivering smooth streaming of 4K UHD video and faster, slicker VR experiences!
* Availability of 801.11ad (WiGig) varies by region. Check with your local ASUS representative for more details.
** Actual speed varies, and depends on networking conditions.
Native M.2/NVMe PCIe RAID Support for
Lightning Fast Storage Speed!
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.
LANGuard
Pumped-up throughput, 2.5x higher surge tolerance
ASUS LANGuard is hardware-level networking protection that employs signal-coupling technology and premium anti-EMI surface-mounted capacitors to ensure a more reliable connection and better throughput.
Turbo LAN
Network-optimization software for customizable packet prioritization
Turbo LAN with cFosSpeed traffic-shaping technology allows you to configure application priority via an intuitive interface, and reduces network lag.
Multi-GPU support
With support for both NVIDIA ® SLI™ and AMD CrossFireX™ 2/3-WAY configurations, Prime X399-A motherboard enables multi-GPU setups so you can harness the full power of the latest graphics technologies to drive games at 4K and beyond.
Built to Last
ASUS is the world’s 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.
Hardware safeguards to ensure long-term durability.
Industry-leading DDR4 memory compatibility for best flexibility and reassurance.
Compatibility with a range of CPUs, memory modules, graphics cards and more.
Extensive testing with latest components for enhanced reliability, compatibility and safety.
Prime 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.
SafeSlot Core
Fortified PCIe slot prevents damage
Our Prime B450 Series motherboards also have strengthened solder points around both the PCIe and DIMM pins.
LANGuard
Pumped-up throughput, 2.5X-higher surge tolerance
ASUS LANGuard is hardware-level networking protection that employs signal-coupling technology and premium anti-EMI surface-mounted capacitors to ensure a more reliable connection and better throughput.
Overvoltage Protection
World-class circuit-protecting power design
An exclusive circuit design with built-in voltage regulators protects your motherboard from damage caused by unexpected high-level voltages from unstable or inferior power supplies.
DIGI+ VRM
Precision control for stable power
ASUS-exclusive DIGI+ VRM intelligently delivers power to the processor based on real-time demands, reducing energy waste and improving system stability.
DRAM Overcurrent Protection
Short-circuit damage prevention
Onboard resettable fuses prevent overcurrent and short-circuit damage. This extends beyond I/O ports to DRAM ― so it provides a safeguard to protect the lifespan of your system and connected devices.
Stainless-steel back I/O panel
3X corrosion-resistance for greater durability
Corrosion-resistant stainless-steel back I/O panels bonded with chromium oxide assure a lifespan that’s 3X longer than ordinary panels.
ESD Guards
Electrostatic discharge protection
ASUS ESD Guards prolong the life of components while preventing damage from electrostatic discharge, providing protection for up to +/- 10kV of air discharge and +/- 6kV of contact discharge.
Compatible devices and components
The superior compatibility of Prime B450 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.
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.
SafeSlot
Protect your graphics card investment
SafeSlot is the PCIe slot reinvented by ASUS and engineered to provide superior retention and shearing resistance. Manufactured in a single step using a new insert-molding process, SafeSlot integrates the slot with fortifying metal for an inherently stronger slot, which is then firmly anchored to the PCB through additional solder points.
Outstanding audio
Combined onboard features deliver elevated audio
Intelligent design and premium hardware create audio quality unlike anything you’ve ever experienced!
Immersive 3D surround-sound technology provides incredible audio experiences.
Separates analog/digital signal domains, significantly reducing multi-lateral interference.
Ensures minimal crosstalk between audio paths.
Premium parts provide an immersive sound signature, with exceptional fidelity.
* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.
LiveDash
See system info at a glance
Prime X299-Deluxe includes LiveDash, a built-in OLED dashboard that displays custom information such as system temperatures, CPU frequency, fan speed and error messages — so everything you need to know is available at a glance.
Addressable RGB LED strip header
Control every LED
Aura Sync
Outshine the competition
A 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.
* The Aura RGB-strip header supports 5050 RGB LED strips with a max power rating of 3A (12V). For maximum brightness, strip length should not exceed 3m.
LED strips and Aura Sync-compatible devices are sold separately.
* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.
Brighten Up Your Build
LED-illuminated control for PCIe slot and trace paths
Built-in LED lighting options illuminate your build in a variety of eye-catching styles.
* Specifications and features vary by model, and all images are illustrative. Please refer specification pages for full details.
Beyond VR ready
Complete your immersion
Prime 300 series isn’t just VR ready — it goes way beyond. The ASUS Beyond VR Ready marque means that Prime 300 series has been tested with loads of class-leading components to ensure that your productivity, gaming and entertainment needs are tuned for maximum performance. ASUS Beyond VR Ready opens up a new way to configure and build your dream system with total confidence.
AMD AM4 Socket for 3 rd /2 nd /1 st Gen AMD Ryzen ™ / 2 nd and 1 st Gen AMD Ryzen ™ with Radeon ™ Vega Graphics / Athlon ™ with Radeon ™ Vega Graphics Processors The AMD Ryzen™ processor is based on the innovative Zen core architecture and features up to eight cores and Radeon™ Vega integrated graphics. Together with dual-channel DDR4 memory, native 5Gbps USB 3.1 Gen 1 and 16 PCI Express® 3.0/2.0 lanes, these AMD AM4-socket processors deliver superb computing performance.
AMD B450 chipset The AMD B450 chipset delivers high performance and flexibility with the latest AMD® AM4-socket Ryzen™ processors. It also offers AMD StoreMI storage acceleration technology and provides two 10Gbps USB 3.1 Gen2 ports, two USB 3.1 Gen1 ports, and four 6Gbps SATA ports for faster data retrieval.