Overview

The ASUS PRIME B450M-K II is a compact Micro-ATX AM4 motherboard designed for AMD Ryzen-based gaming and everyday desktop PCs. Powered by the AMD B450 chipset, it supports Ryzen 5000 Series processors along with earlier compatible AM4 CPUs. It also provides DDR4 memory support, an M.2 slot, PCIe 3.0 connectivity, and Gigabit Ethernet.

ASUS PRIME B450M-K II Features

• AMD AM4 Socket
• AMD B450 Chipset
• Micro-ATX Form Factor
• DDR4 Memory Support
• Up to 64GB RAM
• PCIe 3.0 x16 Slot
• M.2 PCIe 3.0 x4 Support
• 4 x SATA 6Gb/s
• Realtek Gigabit LAN
• USB 3.2 Gen 1
• HDMI / DVI-D / D-Sub Outputs
• ASUS BIOS FlashBack
• ASUS SafeSlot Core

ASUS PRIME B450M-K II Memory & Storage

The motherboard supports DDR4 dual-channel memory with up to 64GB capacity. For storage, it includes one M.2 slot supporting PCIe 3.0 x4 and SATA modes, along with four SATA 6Gb/s ports.

ASUS PRIME B450M-K II Connectivity

The board provides practical connectivity for gaming and desktop systems, including USB 3.2 Gen 1 ports, Gigabit Ethernet, HDMI, DVI-D, and D-Sub display outputs. It also features ASUS SafeSlot Core for additional PCIe slot reinforcement.

Perfect For

• AMD Ryzen Gaming PCs
• Budget Gaming Builds
• Home & Office PCs
• AM4 Upgrades
• Compact Micro-ATX Systems
• Everyday Productivity

Quick Technical Summary

Motherboard: ASUS PRIME B450M-K II
Chipset: AMD B450
Socket: AM4
Form Factor: Micro-ATX
Memory: DDR4
Maximum Memory: 64GB
Expansion: PCIe 3.0 x16
Storage: 1 x M.2 + 4 x SATA 6Gb/s
LAN: Realtek Gigabit Ethernet
Wireless: Not Included
Audio: Realtek High Definition Audio

Official Product Links

ASUS PRIME B450M-K II:
ASUS Official Product Page

ASUS PRIME B450M-K II Specifications:
ASUS Official Specifications