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ASUS AM4 Prime AMD B550M-A M-ATX Motherboard 306/2351

Rating 3.6 out of 5
Read reviews (5)
ASUS AM4 Prime AMD B550M-A M-ATX Motherboard
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  • £129.99

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About this product

  • ASUS .

Introducing the ASUS Prime B550M-A, perfect for everyday users who want the same stable performance in a smaller form factor. Expertly engineered to unleash the full potential of 3rd generation AMD Ryzen processors.

Ram-packed with features like the ground-breaking PCIe 4.0 technology to give you lightning speeds, a robust power design, USB 3.2 Gen2 Type-A Rear IO connectivity, ASUS AURA RGB Header, comprehensive cooling solutions & intelligent tuning options.

AMD AM4 socket: Ready for 3rd Gen AMD Ryzen and 3rd Gen AMD Ryzen with Radeon Graphics Processors.

General features:

  • Comprehensive cooling: VRM heatsink, PCH heatsink, and Fan Xpert 2+ Ultrafast connectivity: Dual M.2, PCIe 4.0, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A Aura Sync RGB: Onboard addressable Gen 2 header for RGB LED strips, easily synced with Aura Sync-capable hardware.
  • Micro ATX form factor.
  • AMD B550.
  • Compatible with AMD processor.
  • Memory slots:4 x DIMM, Max. 128GB, DDR4.
  • Memory standard: DDR4 (Dual Channel).
  • Expansion slots: AMD Ryzen 5000 Series/ 3000 Series Desktop Processors 1 x PCIe 4.0 x16 (x16 mode) AMD Ryzen 4000 G-Series Desktop Processors 1 x PCIe 3.0 x16 (x16 mode) AMD B550 Chipset 2 x PCIe 3.0 x1.
  • Storage slots: Total supports 2 x M.2 slot(s) and 4 x SATA 6Gb/s ports.
  • Q-flash plus button.
  • Clear CMOS button.


  • Headphones jack.
  • BIOS: 256 Mb Flash ROM UEFI AMI BIOS.

General information:

  • Weight 990g.
  • Size H45, W244, D244 mm.
  • Manufacturer's 3 year guarantee.
  • EAN: 4718017755528.

The small print

*Prices correct as displayed but are subject to change.

The customer and brand answers you’ll see above are submitted independently. As we don’t review these answers, we can’t take responsibility for anything they may say. The responses from Argos colleagues are accurate at the time of publishing. For the latest info, you should check the product page.