ASUS
ASUS Prime B450M-K II
ASUS Prime B450M-K II
Couldn't load pickup availability
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.
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 the way you work – maximizing your productivity.
Cooler by Design
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.
Build on a Solid Foundation
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.
PCIe 3.0 M.2
(up to 32 Gbps)
Achieve speed with onboard M.2
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.
Little Things Make a Big Difference
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.
Outstanding Audio
Combined onboard features deliver elevated audio
Intelligent design and premium hardware create audio quality unlike anything you’ve ever experienced.
Processor
Processor manufacturer: AMD
Processor socket: Socket AM4
Compatible processor series: AMD Ryzen 2000 Series, AMD Ryzen Threadripper 1000 Series, AMD Ryzen Threadripper 2000 Series
Memory
Supported memory types: DDR4-SDRAM
Number of memory slots: 2
Memory slots type: DIMM
ECC сompatibility: ECC
Supported memory clock speeds: 2133,2400,2666,2800,2933,3000,3200 MHz
Maximum internal memory: 64 GB
Feature: Unbuffered memory
Storage controllers
Supported storage drive interfaces: M.2, PCI Express 3.0, SATA III
RAID levels: 0, 1, 10
Internal I/O
USB 2.0 connectors: 2
USB 3.2 Gen 1 (3.1 Gen 1) connectors: 1
Number of SATA III connectors: 4
Feature: S/PDIF out connector
Feature: Audio connector
Feature: Front panel audio connector
Feature: ATX Power connector (24-pin)
Feature: CPU fan connector
Number of chassis fan connectors: 2
Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 4
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity: 3
Ethernet LAN (RJ-45) ports: 1
PS/2 ports quantity: 2
VGA (D-Sub) ports quantity: 1
DVI-D ports quantity: 1
Headphone outputs: 1
Feature: Microphone in
Network
Feature: Ethernet LAN
Ethernet interface type: Gigabit Ethernet
Features
Motherboard chipset: AMD B450
Audio chip: Realtek ALC887-VD2
Audio output channels: 7.1 channels
Component for: PC
Motherboard form factor: micro ATX
Motherboard chipset family: AMD
Windows operating systems supported: Windows 10 x64, Windows 7 x64
Expansion slots
PCI Express x1 (Gen 2.x) slots: 2
PCI Express x16 (Gen 3.x) slots: 2
BIOS
BIOS type: UEFI AMI
BIOS memory size: 128 Mbit
ACPI version: 6.1
Logistics data
Harmonized System (HS) code: 84733020
Weight & dimensions
Width: 244 mm
Depth: 244 mm
Height: 259 mm
Packaging content
Cables included: SATA
Other features
Weight: 840 g
ASUS Prime B450M-K II. Processor manufacturer: AMD, Processor socket: Socket AM4, Compatible processor series: AMD Ryzen 2000 Series, AMD Ryzen Threadripper 1000 Series, AMD Ryzen Threadripper 2000 Series. Supported memory types: DDR4-SDRAM, Maximum internal memory: 64 GB, Memory slots type: DIMM. Supported storage drive interfaces: M.2, PCI Express 3.0, SATA III, RAID levels: 0, 1, 10. Ethernet interface type: Gigabit Ethernet. Component for: PC, Motherboard form factor: micro ATX, Motherboard chipset family: AMD
ASUS
MBR CODE - 90MB1600-M0EAY0
EAN - 4718017932387
Share
Let customers speak for us
from 470 reviewsI have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.








Let customers speak for us
from 470 reviewsI have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.
I have ordered from Custom PC many times over the years and I have always been hundred percent satisfied with both service and product. They have my trust and given choice I buy from them.