Asus Prime B450M-K II Motherboard
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- Fan Xpert: B450M-K II 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: B450M-K II Supreme flexibility with USB 3.1 Gen 2, Native M.2
- LED illumination: Lighting control for both PCIe slot and audio trace paths
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Description
Asus Prime B450M-K II Motherboard
AMD B450 (Ryzen AM4) micro ATX motherboard with M.2 support, HDMI/DVI-D/D-Sub, SATA 6 Gbps, 1 Gb Ethernet, USB 3.2 Gen 1 Type-A, BIOS FlashBack™
- Comprehensive cooling: PCH heatsink and Fan Xpert
- Ultrafast connectivity: M.2 support, 1 Gb Ethernet, and USB 3.2 Gen 1 Type-A
- 5X Protection III: Multiple hardware safeguards for all-around system protection
- LED illumination: Lighting control for both PCIe slot and audio trace paths
PRIME B450M-K
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 B450M-K II Series motherboard, you build smart, easy and affordably.
Tune it your way
B450M-K II All-round energy efficiency
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.
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 B450M-K II Series is a versatile all-rounder that can work or play.
Media-acclaimed UEFI BIOS
B450M-K II The UEFI BIOS is an early waypoint on any PC-building journey, and Prime B450 Series has one of the best in the business.
B450M-K II 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.
Ultrafast connectivity
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.
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. It’s the perfect choice for an operating system or application drive, providing fast access to data.
Reliable stability and compatibility
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.
Protection III
5X
Hardware safeguards to ensure long-term durability.
DDR4 compatibility
520+
Industry-leading DDR4 memory compatibility for best flexibility and reassurance.
compatible devices
1000+
Compatibility with a range of CPUs, memory modules, graphics cards and more.
validation hours
8000+
Extensive testing with latest components for enhanced reliability, compatibility and safety.
SafeSlot Core
Fortified PCIe slot prevents damage
SafeSlot 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.
Our Prime B450 Series motherboards also have strengthened solder points around both the PCIe and DIMM pins.
Upgrade to unrivalled audio
Outstanding audio
Combined onboard features deliver elevated audio
Intelligent design and premium hardware create audio quality unlike anything you’ve ever experienced!
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.
Additional information
| Weight | 1 kg |
|---|---|
| Dimensions | 23 × 3 × 22 cm |
| Brands | Asus |
| Motherboard Size | mATX |
| Socket | AM4 |
| Color | Black |
| Product Type | Normal |
| Chipset | B450 |
| Memory Series | DDR4 |
| Platform | AMD |
| Motherboard Series | Asus Prime |
| EAN / UPC Code | 4718017932387 |
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