ASUS PRIME B450M-K II

AM4, AMD B450, mATX
Price in EUR including VAT
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Product details

The ASUS Prime B450 II Series motherboards provide a stable foundation for your first DIY system while offering enough options to grow with your needs. Asus has combined all the great features found in AMD Ryzen processors with essential technology and the fundamental design of ASUS, allowing you to benefit from industry-leading technologies - including automated system optimization, comprehensive cooling control, and high-quality onboard sound. With an ASUS Prime B450 II Series motherboard, building your PC is straightforward - a smart choice. Flexible cooling control: The Fan Xpert software offers extensive control options for system fans. The Auto-Tuning mode intelligently configures all parameters with just a single click. Additionally, there is an Extreme Quiet mode that reduces case fan speeds below the default setting.

Key specifications

Processor family
Ryzen 3 5th Gen, 
Ryzen 5 5th Gen, 
Ryzen 7 5th Gen, 
Ryzen 9 5th Gen
Memory type
DDR4-RAM
Number of memory modules (RAM)
2 x
Internal connection options
M.2 PCI/SATA Combo (1x), 
S-ATA III (4x), 
USB 2.0 Header (2x), 
USB 3.0 Header (1x)
Mainboard features
Clear CMOS Button, 
COM Port Header, 
Error Correcting Code, 
Front panel audio connector, 
S/PDIF header
Item number
14159410

General information

Manufacturer
Category
Manufacturer no.
90MB1600-M0EAY0
Release date
9.3.2023

Motherboard properties

Form factor
Micro ATX (mATX)
Processor socket
AM4
Chipset
AMD B450
Mainboard features
Clear CMOS Button, 
COM Port Header, 
Error Correcting Code, 
Front panel audio connector, 
S/PDIF header
Operating system compatibility
Windows 10, 
Windows 7
BIOS type
UEFI AMI

Processor

Processor family
Ryzen 3 5th Gen, 
Ryzen 5 5th Gen, 
Ryzen 7 5th Gen, 
Ryzen 9 5th Gen

Memory

Memory form factor
DIMM
Number of pins
288 x
Number of memory modules (RAM)
2 x
Max. memory (RAM)
64 GB
Memory chip
DDR4
Max. RAM OC
4400 MHz
Supported memory speed
2133 MHz, 
2800 MHz, 
2933 MHz
Memory type
DDR4-RAM
RAM buffer
ECC Registered

Graphics properties

Video connections
D-Sub (1x)
Video connection version
HDMI 2.0b

Network

Network connections
RJ45 (1x)
Ethernet controller brand
Realtek
Ethernet controller
Gigabit Ethernet
Max. port speed
1 Gbit/s

Audio

Chip
Realtek ALC887-VD2
Audio channel
7.1 Channel
Audio Connections
Audio In

Internal interfaces

Internal connection options
M.2 PCI/SATA Combo (1x), 
S-ATA III (4x), 
USB 2.0 Header (2x), 
USB 3.0 Header (1x)
Expansion slot
PCI Express x1 (2x), 
PCI Express x16 (1x)
Number of fan connector
2

Further connections

USB ports
USB-A
Peripheral connections
PS/2 Combo, 
USB 2.0 Type-A (2x), 
USB 3.2 Gen 1 (4x)

Power supply

Power connectors
24-pin EATX, 
8-pin ATX 12V

Sustainability

Manufacturer commitment
RE100, 
SBTi

Scope of delivery

Scope of delivery
SATA cable - SATA

Product dimensions

Length
221.23 mm
Width
221.23 mm
Height
259 mm
Weight
840 g

Package dimensions

Length
27.90 cm
Width
26.90 cm
Height
5.90 cm
Weight
841 g

Legal Notice

Product Safety

14-day cancellation right
30-day right of returnReturn policy
24 Months Statutory warrantyGuarantee provisions

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