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ASUS PRIME B550M-K ARGB Micro ATX AM4 Motherboard DDR4 Gigabit LAN

Brand:
ASUS
90MB1GC0-M0EAY0
€99.91 €111.01
€118.89 inc. VAT
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Product Code
04:444736
EAN Code
4711387316030
Manufacturer
ASUS

Quick Specs

CPU Socket
AMD AM4
Chipset
AMD B550
Form Factor
Micro ATX
Memory
2× DDR4 DIMM
Expansion
PCIe 4.0 x16 Ready
Storage
2× M.2 + 4× SATA 6Gb/s
Networking
Realtek 1Gb Ethernet
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ASUS PRIME B550M-K ARGB Micro ATX AM4 Motherboard

A compact AMD B550 Micro ATX motherboard for AM4 desktop builds, with DDR4 support, PCIe 4.0-ready expansion, dual M.2 storage, Gigabit LAN and Aura Sync ARGB lighting support.
AMD B550AM42× DDR4Dual M.2

The ASUS PRIME B550M-K ARGB is a Micro ATX motherboard for AMD AM4 desktop systems, offering a practical platform for Ryzen 5000, 5000 G-Series, 4000 G-Series and 3000 Series builds. It is a good choice for compact gaming, home and productivity PCs where DDR4 memory, PCIe 4.0-ready graphics support, dual M.2 storage, Gigabit LAN and ARGB lighting control are key requirements.

Compatibility Note: Please confirm CPU, DDR4 memory, case, cooler and BIOS compatibility before purchase. This motherboard uses the AMD AM4 socket and does not support newer AM5 processors or DDR5 memory.
Best For
✓ AMD Ryzen AM4 desktop builds
✓ Compact Micro ATX systems
✓ Dual M.2 SSD configurations
✓ ARGB lighting-enabled builds

Key Features

 
AM4 Ryzen Platform
AMD B550 chipset support makes this board suitable for compatible Ryzen AM4 processors, including Ryzen 5000, 5000 G-Series, 4000 G-Series and 3000 Series desktop CPUs.
 
DDR4 Memory Support
Two DDR4 DIMM slots provide a straightforward memory configuration for compact gaming, home and productivity systems.
 
Dual M.2 Storage
Two M.2 slots support fast SSD storage, including a CPU-connected slot with PCIe 4.0 support when paired with compatible Ryzen processors.
 
ARGB and Practical Connectivity
Aura Sync ARGB headers, Realtek 1Gb Ethernet, HDMI, DisplayPort, rear USB 3.2 Gen 1 and front USB-C header support make it useful for modern compact builds.

Technical Specifications

Model ASUS PRIME B550M-K ARGB
Part Number 90MB1GC0-M0EAY0
EAN 4711387316030
CPU Support AMD Ryzen 5000 Series, Ryzen 5000 G-Series, Ryzen 4000 G-Series and Ryzen 3000 Series desktop processors
CPU Socket AMD AM4
Chipset AMD B550
Form Factor Micro ATX
Memory 2× DDR4 DIMM, dual-channel
Expansion Slots PCIe 4.0/3.0 x16 slot, ASUS SafeSlot Core, additional PCIe slot configuration NEEDS VERIFY
Storage 1× 64Gb/s M.2 PCIe 4.0 x4 and SATA mode, 1× 32Gb/s M.2 PCIe 3.0 x4 and SATA mode, 4× SATA 6Gb/s
Networking Realtek 1Gb Ethernet
USB Rear USB 3.2 Gen 1 Type-A, rear USB 2.0, front USB 3.2 Gen 1 Type-C header, front USB 3.2 Gen 1 Type-A support, front USB 2.0 support
Display Outputs DisplayPort and HDMI, compatible CPU with integrated graphics required
Lighting Aura Sync RGB, 3× Addressable Gen 2 headers

Frequently Asked Questions

Which processors does this motherboard support?
It supports compatible AMD Ryzen 5000 Series, 5000 G-Series, 4000 G-Series and 3000 Series desktop processors on socket AM4. Always check the latest CPU support list and BIOS version before building.
Does this model include Wi-Fi?
No built-in Wi-Fi is confirmed for this model. Use a PCIe or USB Wi-Fi adapter if wireless networking is required.
Does it support PCIe 4.0?
Yes, with compatible Ryzen 5000 or Ryzen 3000 Series desktop processors. PCIe 4.0 availability depends on the installed CPU.
Singular Expert Insight
Choose this model if you want a compact B550 motherboard with dual M.2 storage, PCIe 4.0-ready expansion and ARGB lighting support for a value AM4 build. If you need built-in Wi-Fi, more memory slots or a newer DDR5 platform, consider a Wi-Fi-equipped board or an AM5 motherboard instead.

Buyer’s Guide

Buy it if
You are building or upgrading a compact AMD AM4 desktop and want B550 chipset support, DDR4, dual M.2 storage, PCIe 4.0-ready expansion, Gigabit LAN and ARGB support.
Skip it if
You need built-in Wi-Fi, four memory slots, 2.5G LAN, DDR5 memory, AM5 processor support or a full-size ATX board with more expansion space.
Also consider
Consider a B550 board with Wi-Fi if wireless networking is required, or an AM5 B650/B850 motherboard if you are moving to newer Ryzen processors and DDR5 memory.

Features - ASUS - 90MB1GC0-M0EAY0

More Details
Product Code
04:444736
EAN Code
4711387316030
Manufacturer
ASUS
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