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Asus PRIME B550M-K ARGB AM4 M-ATX Motherboard

Price

R 1,550 including VAT

In stock (98 units confirmed)

Watch this part

One of five slots. We check it once a day after our own price capture and tell you only when something actually changed — quoting both prices.

What this part is

Asus PRIME B550M-K ARGB AM4 M-ATX Motherboard
Asus PRIME B550M-K ARGB AM4 M-ATX MotherboardAsus PRIME B550M-K ARGB AM4 M-ATX MotherboardAsus PRIME B550M-K ARGB AM4 M-ATX MotherboardAsus PRIME B550M-K ARGB AM4 M-ATX Motherboard
Photograph published by our supplier for SKU PRIME B550M-KARGB, linked rather than copied. We have not photographed or edited this part, and the image is only as current as the feed row it came from.

<p>The ASUS PRIME B550M-K ARGB AM4 M-ATX Motherboard is designed to unlock the full potential of the AMD Ryzen™ platform, supporting 5000 Series, 5000 G-Series, 4000 G-Series, and 3000 Series processors. With a robust power design and comprehensive cooling solutions, this motherboard delivers the stability and performance required for daily productivity and demanding workloads. Whether you're a DIY PC builder or a professional seeking reliable performance, the PRIME B550M-K provides flexible tools for fine-tuning your system to match your specific needs.</p> <p>Equipped with PCIe 4.0 support, the PRIME B550M-K ARGB ensures ultra-fast connectivity for GPUs, making it ideal for high-load, feature-rich builds. The motherboard also features dual M.2 slots for faster data transfer speeds and Realtek 1Gb Ethernet for stable network connectivity. With USB 3.2 Gen 1 ports, including front-panel Type-C support, the PRIME B550M-K enables effortless connection of peripherals for seamless multitasking and data management.</p> <p>Cooling is a priority, and the PRIME B550M-K comes equipped with a PCH heatsink, hybrid fan headers, and Fan Xpert 2+, ensuring stable temperatures even under heavy workloads. These features help maintain system longevity and efficiency, making the motherboard a reliable foundation for demanding applications. Additionally, its Realtek 7.1 Surround Sound High Definition Audio CODEC enhances your multimedia experience, delivering immersive audio for gaming or content creation.</p> <p>For builders seeking a personalized aesthetic, the PRIME B550M-K ARGB offers Aura Sync RGB lighting with onboard addressable Gen 2 headers, enabling customizable illumination that syncs with compatible hardware. With its durable design, advanced connectivity options, and intuitive setup process, this motherboard provides everything you need to create a high-performance, visually stunning PC.</p> <h3>FEATURES:</h3> <ul> <li>Ready for Advanced AI PC: Designed for the future of AI computing, with the power and connectivity needed for demanding AI applications</li> <li>AMD AM4 Socket: Ready for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors</li> <li>Ultrafast Connectivity: PCIe 4.0, dual M.2 slots, Realtek 1Gb Ethernet, rear USB 3.2 Gen 1 ports and front USB 3.2 Gen 1 Type-C®</li> <li>Comprehensive Cooling: PCH heatsink, hybrid fan headers and Fan Xpert 2+</li> <li>Aura Sync RGB Lighting: Onboard Addressable Gen 2 headers for RGB LED strips, easily synced with Aura Sync-capable hardware</li> </ul> <h3>SPECIFICATIONS:</h3> <ul> <li>Socket: AM4</li> <li>CPU: AMD Socket AM4 for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors</li> <li>Chipset: B550</li> <li>DDR4 Memory: DDR4 5100(OC)/4866(OC)/4600(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(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</li> <li>Memory Channel: Dual</li> <li>DIMM Slots: 2</li> <li>Max Memory (GB): 64GB</li> <li>PCI-E 4.0 x16: 1</li> <li>PCI-E 3.0 x1: 1</li> <li>M.2 Slot: 2</li> <li>SATA 6G: 4</li> <li>RAID: 0/1/10</li> <li>LAN: Realtek 1Gb Ethernet</li> <li>USB 3.2 ports (Front): 1(Gen 1, Type-C) | 2(Gen 1, Type A)</li> <li>USB 3.2 ports (Rear): 4(Gen 1, Type A)</li> <li>USB 2.0 ports (Front): 4</li> <li>USB 2.0 ports (Rear): 2</li> <li>Audio ports (Rear): Realtek 7.1 Surround Sound High Definition Audio CODEC</li> <li>HDMI: 1</li> <li>Display Port: 1</li> <li>DirectX: 12</li> <li>Form Factor: M-ATX</li> <li>Operating System: Support for Windows® 10 64-bit, Windows® 11 64-bit</li> </ul> <h3>WHAT’S IN THE BOX:</h3> <ul> <li>Asus PRIME B550M-K ARGB AM4 M-ATX Motherboard – Black x1</li> <li>SATA Cables x2</li> <li>I/O Shield x1</li> <li>M.2 SSD Screw Package x1</li> <li>User Manual x1</li> </ul>

Our own price history for this part

Only 1 daily observation so far — a trend line needs at least two, so none is drawn rather than inventing one.

Tracking since 2026-10-27

tracking since 2026-10-27; 14 observations needed before a buying verdict is honest

What the engine checks on this part

  • ship_weight_g730
  • ship_length_cm27
  • ship_width_cm27
  • ship_height_cm6
  • supplier_list_price_cents209900
  • Socketam4
  • Form factormicro-atx
  • Memory typeddr4
  • Memory slots2
  • Storage slots2
  • Maximum memory speed5100 MT/s

Not published for this part yet: pcie_x16_slots, max_cpu_tdp_w — compatibility is flagged, not guessed.

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Compare it against alternatives

What this part still needs before it becomes a machine

Each part below is a candidate the compatibility engine accepts against Asus PRIME B550M-K ARGB AM4 M-ATX Motherboard. The cheapest fitting option in that slot is shown, with how many options passed.

  • Processor

    AMD Ryzen 5 3400G 4-Core 3.7GHz AM4 CPU

    R 1,238 including VAT · 27 fitting options

    A machine with 1 chosen part cannot run without processor. This is the cheapest of 27 options in that slot that passes the compatibility rules against them.

  • Memory

    Patriot Signature Line 4GB 1600MHz DDR3L Single Rank Desktop Memory

    R 166 including VAT · 49 fitting options

    A machine with 1 chosen part cannot run without memory. This is the cheapest of 49 options in that slot that passes the compatibility rules against them.

  • CPU cooler

    DeepCool Gamma Archer 120mm CPU Cooler - Black/Blue

    R 81 including VAT · 87 fitting options

    A machine with 1 chosen part cannot run without cpu cooler. This is the cheapest of 87 options in that slot that passes the compatibility rules against them.

Verified buyer reviews

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Warranty term on this part: 0 months.