ASUS B550-MK Micro-ATX Motherboard

Supports AMD Ryzen 5000 / 4000 G-Series / 3000 Series Desktop Processors
PCIe 4.0 x16 slot for next-gen graphics cards
Dual M.2 slots for NVMe and SATA SSDs
Up to 128 GB DDR4 memory support @ 4600 MHz OC
Realtek Gigabit LAN and 7.1-channel HD audio
HDMI 2.1 and VGA outputs for integrated graphics CPUs
5X Protection III for improved durability and safety
Fan Xpert 2+ for precise cooling control
Compact Micro-ATX design for space-efficient builds

19.900 DA

Out of stock

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ASUS PRIME B550M-K

Technical Specifications

Category	Details
Model Name	ASUS PRIME B550M-K
Form Factor	Micro-ATX
CPU Socket	AMD AM4
Chipset	AMD B550
Supported Processors	AMD Ryzen 5000 / 4000 G-Series / 3000 Series Desktop CPUs
Memory Type	DDR4
Memory Slots	4 × DIMM
Maximum Memory Capacity	Up to 128 GB
Memory Speed Support	DDR4 up to 4600 MHz (OC)
Expansion Slots	1 × PCIe 4.0 x16 · 2 × PCIe 3.0 x1
Storage Interface	2 × M.2 Slots (1 × PCIe 4.0 x4 & SATA + 1 × PCIe 3.0 x4 & SATA) · 4 × SATA 6 Gb/s Ports
Graphics Output	HDMI 2.1 (4K @ 60 Hz) · VGA (D-Sub)
LAN	Realtek Gigabit LAN
Audio	Realtek ALC887 / 897 7.1-Channel HD Audio
USB Ports (Rear I/O)	2 × USB 3.2 Gen 2 · 2 × USB 3.2 Gen 1 · 4 × USB 2.0
Internal I/O	Front USB 3.2 Gen 1 Header · USB 2.0 Header · RGB Header
Fan Connectors	1 × CPU Fan · 1 × Chassis Fan
Power Connectors	1 × 24-Pin ATX Main · 1 × 8-Pin CPU Power
Special Features	PCIe 4.0 Support · Dual M.2 Slots · 5X Protection III (Surge & Voltage Protection) · Fan Xpert 2+ Control · SafeSlot Core

ASUS PRIME B550M-K

The ASUS PRIME B550M-K delivers a perfect balance of performance, connectivity, and durability in a compact Micro-ATX format. Designed for AMD Ryzen 3000, 4000 G-Series, and 5000 processors, this board is built on the AMD B550 chipset, providing PCIe 4.0 support and next-generation data transfer speeds.

With four DDR4 memory slots supporting up to 128 GB of RAM, users can easily achieve high-speed overclocking performance up to 4600 MHz. It also features a PCIe 4.0 x16 slot for modern graphics cards, making it an excellent choice for gamers and professionals who demand high-bandwidth GPU performance.

For storage, the B550M-K includes two M.2 slots—one operating at PCIe 4.0 x4 speed—and four SATA ports, allowing multiple NVMe and SATA SSD combinations. The board’s advanced power delivery system ensures stable operation, while its enhanced VRM and 5X Protection III designs safeguard against overvoltage and overheating.

Connectivity is comprehensive, with USB 3.2 Gen 2 ports, HDMI 2.1 output for 4K displays, and Realtek Gigabit LAN for reliable networking. Fan Xpert 2+ software provides full control of cooling performance and noise levels.

Compact, durable, and feature-rich, the ASUS PRIME B550M-K is ideal for gamers, content creators, and everyday PC builders who want top performance at a great value.