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R1781,00
- CPU: Supports AMD Ryzen 5000/5000 G/4000 G/3000 Series Processors
- Socket: AM4
- Chipset: AMD B550
- Memory: 2 x DIMM slots | Max. 64GB | DDR4
- Storage: 2 x M.2 slot | 4 x SATA 6Gb/s ports
- Expansion Slots: 1 x PCIe 4.0 x16 (Ryzen 5000/3000) | 1 x PCIe 3.0 x16 (Ryzen 5000 G/4000 G)
- Network: 1 x Ethernet 1 Gbps
- Warranty: 3 Years
- Description
- SPECS
- Brand
- Reviews (0)
Description
ASUS PRIME B550M-K ARGB: Compact and Customizable AM4 Motherboard
The ASUS PRIME B550M-K ARGB is a micro-ATX motherboard designed for AMD Ryzen processors, offering a balance of performance and features. With support for high-speed DDR4 memory, PCIe 4.0 (on compatible CPUs), and addressable RGB lighting, it’s a great choice for building a compact and stylish system.
Unique Features
- ASUS 5X PROTECTION III: Provides DIGI+ VRM, LANGuard, Overvoltage Protection, SafeSlot Core, and Stainless-Steel Back I/O for enhanced component longevity and system protection.
- ASUS Q-Design: Simplifies PC building with features like Q-DIMM, Q-LED Core, and Q-Slot for easy installation and troubleshooting.
- ASUS Thermal Solution: Employs an aluminium heatsink design to maintain optimal operating temperatures.
- Aura Sync: Includes addressable Gen 2 headers for advanced, customizable RGB lighting effects.
Quick Specs of the ASUS PRIME B550M-K ARGB
| Specification | Details |
|---|---|
| CPU Support: | AMD Socket AM4 for AMD Ryzen 5000 Series, 5000 G-Series, 4000 G-Series, 3000 Series Desktop Processors |
| Chipset | AMD B550 |
| Memory Support | 2 x DIMM slots, up to 64GB, DDR4 (5100(OC) to 2133MHz) |
| Socket | AM4 |
| Storage Options | 2 x M.2 slots | 4 x SATA 6Gb/s ports |
| Display Ports | 1 x DisplayPort | 1 x HDMI port |
| USB Ports | 4 x USB 3.2 Gen 1 (5G) ports (Type-A) | 2 x USB 2.0 ports (Type-A) |
| Expansion Slots | 1 x PCIe 4.0 x16 (Ryzen 5000/3000) or 1 x PCIe 3.0 x16 (Ryzen 5000 G/4000 G) | 1 x PCIe 3.0 x1 |
| LAN | 1 x Realtek 1Gbps Ethernet |
| Wireless | N/A |
| Audio | Realtek 7.1 Surround Sound High Definition Audio CODEC |
| Form Factor | Micro-ATX |
Check out full specifications under the Specs tab.
Why Choose This Product?
The ASUS PRIME B550M-K ARGB provides a solid foundation for your AMD Ryzen-based PC. Its combination of essential features and ASUS’s renowned quality. Also, it has addressable RGB lighting makes it a versatile and affordable choice.
| Model | PRIME B550M-K ARGB |
| CPU | AMD Socket AM4 for AMD Ryzen 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors* * Refer to www.asus.com for CPU support list. |
| Chipset | AMD B550 Chipset |
| Memory |
Dual Channel Memory Architecture |
| Graphics | 1 x DisplayPort** 1 x HDMI port*** * Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications. ** Supports max. 4K@60Hz as specified in DisplayPort 1.4. *** Supports 4K@60Hz as specified in HDMI 2.1. |
| Expansion Slots | AMD Ryzen 5000 Series/ 3000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x16 mode) AMD Ryzen 5000 G-Series/ 4000 G-Series Desktop Processors 1 x PCIe 3.0 x16 slot (supports x16 mode) AMD B550 Chipset 1 x PCIe 3.0 x1 slot * Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/). – To ensure compatibility of the device installed, please refer to https://www.asus.com/support/ for the list of supported peripherals. |
| Storage | Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports* AMD Ryzen 5000 Series/ 3000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 & SATA modes) AMD Ryzen 5000 G-Series/ 4000 G-Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes) AMD B550 Chipset M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes) 4 x SATA 6Gb/s ports * AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10. |
| Ethernet | 1 x Realtek 1Gbps Ethernet |
| USB | Rear USB (Total 6 ports) 4 x USB 3.2 Gen 1 (5G) ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A) Front USB (Total 7 ports) 1 x USB 3.2 Gen 1 (5G) connector (supports USB Type-C ) 1 x USB 3.2 Gen 1 (5G) header supports 2 additional USB 3.2 Gen 1 ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports |
| Audio | Realtek 7.1 Surround Sound High Definition Audio CODEC* – Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking – Supports up to 24-Bit/192 kHz playback Audio Features – Audio Shielding – Premium audio capacitors – Dedicated audio PCB layers * A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output. |
| Back Panel I/O Ports | 4 x USB 3.2 Gen 1 (5G) ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 1 x DisplayPort 1 x HDMI port 1 x Realtek 1Gb Ethernet port 3 x Audio jacks 1 x PS/2 Keyboard/Mouse combo port |
| Internal I/O Connectors | Fan and Cooling related 1 x 4-pin CPU Fan header 2 x 4-pin Chassis Fan headers Power related 1 x 24-pin Main Power connector 1 x 8-pin +12V Power connector Storage related 2 x M.2 slots (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 3.2 Gen 1 (5G) connector (supports USB Type-C® ) 1 x USB 3.2 Gen 1 (5G) header supports 2 additional USB 3.2 Gen 1 ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports Miscellaneous 3 x Addressable Gen 2 headers 1 x Clear CMOS header 1 x COM Port header 1 x Front Panel Audio header (AAFP) 1 x S/PDIF Out header 1 x Speaker header 1 x SPI TPM header (14-1 pin) 1 x 10-1 pin System Panel header |
| Special Features | ASUS 5X PROTECTION III – DIGI+ VRM – LANGuard – Overvoltage Protection – SafeSlot Core – Stainless-Steel Back I/O ASUS Q-Design – Q-DIMM – Q-LED Core – Q-Slot ASUS Thermal Solution – Aluminium heatsink design Aura Sync – Addressable Gen 2 headers |
| Software Features | ASUS Exclusive Software Armoury Crate – Aura Creator – Aura Sync AI Suite 3 – Performance And Power Saving Utility TurboV EVO EPU DIGI+ VRM Fan Xpert 2+ – EZ update ASUS CPU-Z Norton 360 Deluxe (60 Days Free Trial) WinRAR UEFI BIOS ASUS EZ DIY – ASUS CrashFree BIOS 3 – ASUS EZ Flash 3 – ASUS UEFI BIOS EZ Mode |
| BIOS | 128 Mb Flash ROM, UEFI AMI BIOS |
| Manageability | WOL by PME, PXE |
| Accessories | Cables 2 x SATA 6Gb/s cables Miscellaneous 1 x I/O Shield 1 x Screw package for M.2 SSD Documentation 1 x User guide |
| Operating System | Windows 11, Windows 10 64-bit |
| Form Factor | micro-ATX Form Factor |
About the Brand
ASUS is one of the world’s most recognized and respected names in gaming and computing. With decades of innovation behind them, ASUS delivers top-tier motherboards, graphics cards, gaming laptops, monitors, and peripherals trusted by gamers, streamers, and professionals around the globe.
Under its acclaimed ROG (Republic of Gamers) and TUF Gaming sub-brands, ASUS offers cutting-edge products engineered for durability, speed, and style. Whether you're building a high-performance rig or looking for a powerhouse laptop, ASUS brings together elite design with breakthrough technology.
At OnlyGaming, we stock the latest ASUS hardware to take your gameplay, streaming, and creative performance to the next level. Choose ASUS for innovation that powers victory.




























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