ASUS Prime B550M-K ARGB – Micro-ATX Motherboard with RGB Lighting

Build your stylish AMD Ryzen system with the ASUS Prime B550M-K ARGB, a feature-packed Micro-ATX motherboard with addressable RGB lighting. Featuring support for Ryzen 5000/4000 G/3000 Series CPUs, DDR4 memory up to 5100MHz (OC), dual M.2 slots with PCIe 4.0 support, HDMI/DisplayPort outputs, Aura Sync RGB, and ASUS reliability features, this motherboard delivers excellent performance and customization for gaming and creative builds.

Key Features

• AMD Socket AM4 – Supports Ryzen 5000, 5000 G-Series, 4000 G-Series, and 3000 Series processors
• DDR4 Memory – 2 DIMM slots supporting up to 64GB at 5100MHz (OC)
• PCIe 4.0 Ready – PCIe 4.0 x16 slot and M.2 for next-gen performance
• Dual M.2 Slots – Two M.2 slots for ultra-fast NVMe SSDs
• Aura Sync RGB – 3x Addressable Gen 2 RGB headers for customizable lighting
• ASUS 5X Protection III – Comprehensive hardware safeguards

AMD B550 Chipset Platform

• PCIe 4.0 Support – Double bandwidth for graphics and storage (with compatible CPUs)
• Wide CPU Compatibility – Supports multiple Ryzen generations
• Advanced Overclocking – DDR4 up to 5100MHz with DOCP
• Dual Display Outputs – DisplayPort 1.4 and HDMI 2.1 (4K@60Hz)

Memory & Storage

DDR4 Memory Support:

• 2 x DIMM slots, maximum 64GB capacity
• DDR4 5100(OC)/4866(OC)/4600(OC)/4400(OC)/4266(OC)/4133(OC)/4000(OC)/3866(OC)/3733(OC)/3600(OC)/3466(OC)/3400(OC)/3333(OC)/3200/3000/2933/2800/2666/2400/2133 MHz
• Dual Channel Memory Architecture
• Un-buffered Memory support
• ECC memory support (varies by CPU)
• ASUS OptiMem technology for improved stability

Storage Options:

• M.2_1 slot: Type 2242/2260/2280, PCIe 4.0/3.0 x4 & SATA (CPU-dependent)
• M.2_2 slot: Type 2242/2260/2280/22110, PCIe 3.0 x4 & SATA (via B550 chipset)
• 4 x SATA 6Gb/s ports
• Supports AMD RAID 0, 1, 10
• M.2 heatsink for thermal management

Expansion & Connectivity

Expansion Slots:

• 1 x PCIe 4.0/3.0 x16 slot (x16 mode) – varies by CPU*
• 1 x PCIe 3.0 x1 slot
• *Ryzen 5000/3000: PCIe 4.0 | Ryzen 5000 G/4000 G: PCIe 3.0

Graphics Outputs (for Ryzen APUs):

• 1 x DisplayPort 1.4 – supports 4K@60Hz
• 1 x HDMI 2.1 – supports 4K@60Hz
• Graphics specs vary by CPU (requires Ryzen APU)

Networking:

• Realtek RTL8111H Gigabit Ethernet
• ASUS LANGuard – advanced surge protection

USB Connectivity:

• Rear Panel: 4x USB 3.2 Gen 1 (5Gbps) + 2x USB 2.0
• Front Panel: 1x USB 3.2 Gen 1 Type-C + 2x USB 3.2 Gen 1 + 4x USB 2.0 (via headers)
• Total: 7 USB 3.2 Gen 1 (including Type-C) + 6 USB 2.0

Technical Specifications

ASUS Exclusive Technologies

ASUS 5X Protection III:

• SafeSlot Core+ – Reinforced PCIe slots with metal shielding
• LANGuard – Advanced signal-coupling and surge protection for Ethernet
• DIGI+ VRM – Digital power control for stable CPU delivery
• Overvoltage Protection – Guards against voltage spikes
• Stainless-Steel Back I/O – Enhanced durability and corrosion resistance

ASUS Q-Design:

• Q-LED Core – On-board LEDs for easy troubleshooting (CPU, DRAM, VGA, BOOT)
• M.2 Q-Latch – Tool-free M.2 SSD installation

Aura Sync RGB Lighting:

• 3 x Addressable Gen 2 RGB headers
• Support for RGB LED strips and compatible devices
• Synchronize lighting effects across components
• Control via Armoury Crate software

Cooling & Monitoring

Fan Connectors:

• 1 x 4-pin CPU Fan Connector
• 2 x 4-pin Chassis Fan Connectors
• Hybrid fan headers support PWM/DC mode auto-detection
• Fan Xpert 2+ for intelligent fan control

Thermal Solution:

• PCH heatsink for chipset cooling
• M.2 heatsink for SSD thermal management
• Optimized PCB layout for better heat dissipation

Audio & Multimedia

• Realtek ALC887/897 Audio Codec – 7.1 Surround Sound
• Audio Features: Audio shielding, Premium audio capacitors
• Rear Audio Jacks: Line In, Line Out, Microphone

Software Features

• Armoury Crate – Unified control for system tuning, RGB, and monitoring
• AI Suite 3 – System optimization and overclocking utilities
• Fan Xpert 2+ – Advanced fan control and monitoring
• ASUS EZ Flash 3 – Simple BIOS updates from USB
• Q-LED Core – POST code diagnostics for troubleshooting

Perfect For:

• Gaming PC builds with RGB lighting
• Content creation workstations
• Compact Micro-ATX builds
• Ryzen APU systems with dual monitor support
• Budget-friendly PCIe 4.0 builds
• Systems requiring extensive RGB customization
• Dual M.2 NVMe SSD configurations

Warranty Information

1 Year Store Warranty – This product is covered by our comprehensive store warranty. For complete warranty terms and conditions, please visit our Warranty Information Page.

System Requirements

• AMD Ryzen 5000, 5000 G-Series, 4000 G-Series, or 3000 Series Desktop Processor
• DDR4 memory modules (up to 2 DIMMs, 64GB maximum)
• ATX power supply with 24-pin and 8-pin EPS connectors
• Micro-ATX compatible computer case
• Windows 11 or Windows 10 64-bit

What’s in the Box

• ASUS Prime B550M-K ARGB Motherboard
• 2 x SATA 6Gb/s cables
• 1 x M.2 Screw Package
• 1 x I/O Shield
• Quick Start Guide
• User Manual

Build with style using the ASUS Prime B550M-K ARGB – where reliable B550 performance meets customizable RGB lighting for your AMD Ryzen-powered system!

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