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ASUS PRIME B450M-K II AM4 Micro-ATX Motherboard
SKU# AC74888, Model# PRIME B450M-K II

$116.95

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SKU # AC74888 | Model # PRIME B450M-K II | Brand ASUS


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ASUS PRIME B450M-K II AM4 Micro-ATX Motherboard - Chipset: AMD B450 - Socket: AM4 - Memory: 2x DDR4 DIMM Slots, 64GB Max, 4400MHz OC Max - Expansion Slots: 1x PCIe 3.0 x16, 2x PCIe 2.0 x1 - Storage: 4x SATA 6Gb/s, 1x M.2 PCIe 3.0 - I/O: 4x USB-A 3.2 Gen1, 2x USB-A 2.0, PS/2 Combo, DVI-D, D-Sub, HDMI 2.0b, 3x Audio Jacks - Network: Realtek RTL8111H 1GbE RJ45 LAN - Form Factor: Micro ATX - PRIME B450M-K II

Manufacturer Warranty: 3 Years Limited Warranty
Manufacturer Contact Info: , 1300 278 788

· 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
· Tune It Your Way

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

ASUS Prime B450M II Series motherboards provide a solid foundation for your first build and the flexibility to grow with your ambitions. We've melded all the good stuff 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 II Series motherboard, you make it smart, quick and affordable.

ASUS PRIME B450M-K II AM4 Micro-ATX Motherboard

Overview

 


 

Tune It Your Way

Comprehensive controls form the foundation of the ASUS Prime series. The Prime B450M II motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match your work style and maximise your productivity.

Intelligent Control

ASUS PRIME B450M-K II AM4 Micro-ATX Motherboard

EPU

All-around Energy Efficiency—The Energy Processing Unit (EPU) offers system-wide power savings. The EPU automatically optimises power consumption and maximises savings with Away mode.

ASUS PRIME B450M-K II AM4 Micro-ATX Motherboard

Fan Xpert

Flexible Cooling Controls - Fan Xpert software provides comprehensive control over system fans. Auto-tuning mode intelligently configures all parameters with a single click. There’s also an Extreme Quiet mode that reduces chassis fan speeds to below the default minimum to keep your system whisper-quiet when performing light tasks. Fans can also be controlled via the UEFI BIOS.

ASUS PRIME B450M-K II AM4 Micro-ATX Motherboard

Digi+ VRM Control

Precise Digital Power Control - The Digi+ voltage-regulator module (VRM) delivers real-time control over voltage droop, automatically switching frequency and power-efficiency settings. It also allows you to fine-tune your CPU for ultimate stability and performance.

*Specifications and features vary by model, and all images are illustrative. Please refer to the specification and gallery pages for full details.

UEFI BIOS

ASUS PRIME B450M-K II AM4 Micro-ATX Motherboard

Advanced Tuning for Serious Tweakers

An intuitive Advanced mode offered via the UEFI lets you take complete control. A built-in search feature makes it easy to find options, and various Advanced functions let you intelligently make nuanced adjustments so you can dial in performance just the way you want.

Search Function - Quickly and easily find the option or setting you need.

ASUS User Profile - Port configuration settings between different BIOS versions or share them with friends.

ASUS PRIME B450M-K II AM4 Micro-ATX Motherboard

EZ MODE

Quick and Simple Setup - EZ mode displays vital settings and stats and offers guided wizards, drag-and-drop functionality, and a one-click application of important settings to help you get your rig up and running quickly.

Intuitive Graphical Fan Control - Fine-tune individual fan settings simply by dragging a curve with the mouse.

EZ XMP - Improve DRAM performance with one click.

 


 

Cooler by Design

PRIME B450M-K II is engineered with an array of hybrid fan headers and features comprehensive cooling controls configurable via Fan Xpert software or UEFI BIOS, ensuring your rig stays cool and stable under intense workloads.

ASUS PRIME B450M-K II AM4 Micro-ATX Motherboard

Multiple Temperature Sources - Each header can monitor and react to dedicated thermal sensors. 

ASUS PRIME B450M-K II AM4 Micro-ATX Motherboard

Smart Protection - A dedicated integrated circuit protects the fan header, including short circuit and over-temperature protections. 

ASUS PRIME B450M-K II AM4 Micro-ATX Motherboard

4-Pin PWM/DC Fan - The onboard CHA FAN header supports PWM and DC mode. 

 


 

Build on a Solid Foundation

The Prime B450M II motherboard provides all the fundamentals to boost daily productivity. With stable power, intuitive cooling, and flexible transfer options, your system will be ready for action.

ASUS PRIME B450M-K II AM4 Micro-ATX Motherboard

Storage - PCIe 3.0 M.2 (up to 32 Gbps)

Achieve speed with onboard M.2—The M.2 Slot supports data transfer speeds up to 32Gbps via x4 PCI Express® 3.0 bandwidth. It‘s the perfect choice for an operating system or application drive, providing fast access to data. 

ASUS PRIME B450M-K II AM4 Micro-ATX Motherboard

Connectivity - USB 3.2 Gen 1 Type-A

Numerous USB ports support high-end rigs loaded with peripherals, including four rear-panel USB Type-A connectors with fast USB 3.2 Gen 1 connectivity for compatible cases.

 


 

Little Things Make a Big Difference

The Prime B450M II series adds nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive interfaces that let you customise your system to create a unique personal look.

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 Capacitors - Premium parts provide an immersive sound signature with exceptional fidelity.

PERSONALISATION

ASUS PRIME B450M-K II AM4 Micro-ATX Motherboard

Armoury Crate

Armoury Crate is a new software utility designed to give you centralised control of supported products from a single intuitive interface. It provides control of settings for ASUS products, including keyboard and mouse preferences. This software even features dedicated product registration and highlights to help you stay in touch with the ASUS community. 

ASUS PRIME B450M-K II AM4 Micro-ATX Motherboard

BIOS FLASHBACK

BIOS FlashBack™ is the simplest and safest (UEFI) BIOS update method. Drop the (UEFI) BIOS file onto a FAT32 formatted USB stick, plug it into the USB BIOS FlashBack™ port and press the button. Updates can even be performed without having memory or a CPU installed. 

DIY FRIENDLY

ASUS PRIME B450M-K II AM4 Micro-ATX Motherboard

SafeSlot Core - A 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.

ASUS Prime motherboards have strengthened solder points around both the PCIe and DIMM pins.

Overvoltage Protection - World-class circuit-protecting power design: An exclusive circuit design with built-in voltage regulators to protect your motherboard from damage caused by unexpected high-level voltages from unstable or inferior power supplies.

DRAM Overcurrent Protection - Short-circuit damage prevention: Onboard resettable fuses prevent overcurrent and short-circuit damage. This extends beyond I/O ports to DRAM to safeguard the lifespan of your system and connected devices.

Stainless-Steel Back I/O—3X corrosion-resistance for greater durability: Corrosion-resistant stainless-steel back I/O panels bonded with chromium oxide have a three times longer lifespan than ordinary panels.

LANGuard - Pumped-up throughput 2.5X higher surge tolerance: ASUS LANGuard is a hardware-level network protection feature that integrates advanced signal-coupling technology and premium anti-EMI surface-mounted capacitors to improve throughput and ensure a more reliable connection.

 

1000+ Compatible devices and components: The Prime B450M II series provides superior compatibility with thousands of components, and our Qualified Vendor List (QVL) identifies memory compatibility, giving you more choices for worry-free PC-building experiences.

8000+ Validation hours: Every ASUS motherboard undergoes more than 8,000 hours of stringent tests, including burn-in, environmental, compatibility, software, and safety tests, to confirm its durability. ASUS reliability surpasses industry standards, ensuring that every component is designed to function flawlessly in any environment.

Temperature and humidity tests - Ensures components withstand extreme conditions.

Thermal measurement tests - These ensure the system remains cool and stable under the heaviest loads.

Insertion tests - Every port and connector is put through repeated installation cycles.

Aging tests - Up to 48-hour aging test ensures reliability.

Power-consumption tests - Checked for world-class energy efficiency.

Temperature and DC margin tests - Ensures that the motherboard is capable of coping with voltage fluctuations caused by varying temperatures.

Thermal-shock tests - Ensures ability to survive temperature changes during transportation.

Non-operation shock tests - Built to withstand jolts that may occur during shipping.

Burn-in tests - Every component is checked to ensure flawless operation.

Installation tests - Connector placement is double-checked to ensure hassle-free installation.

Drop tests - Drop tests from various heights ensure durability.

Salt and spray tests - Tested for I/O reliability, prolonged lifespan and rust resistance.

 


 

ASUS PRIME B450M-K II AM4 Micro-ATX Motherboard

SKU # AC74888 | Model # PRIME B450M-K II

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