• Available from 2026-11-16 — contact us to reserve
ASUS Prime B450M-K II AMD B450 Socket AM4 micro ATX
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  • ASUS Prime B450M-K II AMD B450 Socket AM4 micro ATX
  • ASUS Prime B450M-K II AMD B450 Socket AM4 micro ATX
  • ASUS Prime B450M-K II AMD B450 Socket AM4 micro ATX
  • ASUS Prime B450M-K II AMD B450 Socket AM4 micro ATX
  • ASUS Prime B450M-K II AMD B450 Socket AM4 micro ATX
  • ASUS Prime B450M-K II AMD B450 Socket AM4 micro ATX
  • ASUS Prime B450M-K II AMD B450 Socket AM4 micro ATX

ASUS Prime B450M-K II AMD B450 Socket AM4 micro ATX

€83.85
Tax included

ASUS Prime B450M-K II, AMD, Socket AM4, AMD Ryzen 2000 Series, AMD Ryzen Threadripper 1000 Series, AMD Ryzen Threadripper 2000 Series, DDR4-SDRAM, 64 GB, DIMM

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ASUS Prime B450M II 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 II Series motherboard, you build smart, easy and affordably.<br><br><b>Tune It Your Way</b><br>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 the way you work – maximizing your productivity.<br><br><b>Cooler by Design</b><br>PRIME B450M-K II is engineered with an array of hybrid fan headers and features comprehensive cooling controls that are configurable via Fan Xpert software or via the UEFI BIOS, ensuring your rig stays cool and stable under intense workloads.<br><br><b>Build on a Solid Foundation</b><br>Prime B450M II motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling and flexible transfer options.<br><br><b>PCIe 3.0 M.2<br>(up to 32 Gbps)<br>Achieve speed with onboard M.2</b><br>M.2 Slot supports data-transfer speed 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.<br><br><b>Little Things Make a Big Difference</b><br>Prime B450M II series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive interface that let you customize your system to create a unique personal look.<br><br><b>Outstanding Audio<br>Combined onboard features deliver elevated audio</b><br>Intelligent design and premium hardware create audio quality unlike anything you’ve ever experienced.

Technical specifications

Processor

Processor manufacturerAMD
Processor socketSocket AM4
Compatible processor seriesAMD Ryzen 2000 Series, AMD Ryzen Threadripper 1000 Series, AMD Ryzen Threadripper 2000 Series

Memory

Supported memory typesDDR4-SDRAM
Number of memory slots2
Memory slots typeDIMM
ECC сompatibilityECC
Supported memory clock speeds2133,2400,2666,2800,2933,3000,3200 MHz
Maximum internal memory64 GB
Unbuffered memoryYes

Storage controllers

Supported storage drive interfacesM.2, PCI Express 3.0, SATA III
RAID levels0, 1, 10

Internal I/O

USB 2.0 connectors2
USB 3.2 Gen 1 (3.1 Gen 1) connectors1
Number of SATA III connectors4
S/PDIF out connectorYes
Audio connectorYes
Front panel audio connectorYes
ATX Power connector (24-pin)Yes
CPU fan connectorYes
Number of chassis fan connectors2

Rear panel I/O ports

USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity3
Ethernet LAN (RJ-45) ports1
PS/2 ports quantity2
VGA (D-Sub) ports quantity1
DVI-D ports quantity1
Headphone outputs1
Microphone inYes

Network

Ethernet LANYes
Ethernet interface typeGigabit Ethernet
Wi-FiNo

Features

Motherboard chipsetAMD B450
Audio chipRealtek ALC887-VD2
Audio output channels7.1 channels
Component forPC
Motherboard form factormicro ATX
Motherboard chipset familyAMD
Windows operating systems supportedWindows 10 x64, Windows 7 x64

Expansion slots

PCI Express x1 (Gen 2.x) slots2
PCI Express x16 (Gen 3.x) slots2

BIOS

BIOS typeUEFI AMI
BIOS memory size128 Mbit
ACPI version6.1

Weight & dimensions

Width244 mm
Depth244 mm
Height259 mm
ASUS
FL86090032
2026-11-16

Data sheet

Processor brand
AMD
For
PC
Memory type
DDR4-SDRAM
Memory form factor
DIMM

Specific References

EAN13
4718017932387
MPN
90MB1600-M0EAY0
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