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ASRock B550 EXTREME4 AM4 ATX Motherboard

The ASRock B550 EXTREME4 motherboard is PCIe 4.0-ready and features 2.5 Gb/s LAN, M.2 heatsinks and Nahimic audio, plus much more.


  1. Socket AM4 ATX motherboard with AMD B550 chipset
  2. Supports AMD AM4 APU/CPUs
  3. 4 x DDR4 DIMM sockets (max. 128 GB)
  4. HDMI 2.1 output, 4096 x 2160 @ 60 Hz (4K)
  5. 2x PCIe 4.0 x16, 2x PCIe 3.0 x1
  6. 6x SATA 6Gb/s, 2x M.2, SATA RAID
  7. 6x USB 3.2 ports, 2.5Gb Ethernet, SPDIF out

PCIe 4.0 for Everyone

The AMD B550 chipset makes PCIe 4.0 possible for anyone who wants higher performance, bandwidth and speed, when using a Ryzen 5000 series processor (excluding G or GE suffix APUs).

Unbeatable Heatsink Armor

Forged with aluminium alloy heatsink top cover that effectively improves heat dissipation. Underneath its solid strong cover lie two gaming required M.2 Key M sockets for high speed SSDs.

Nahimic Audio

Whether you are using headphones, a headset, external or internal speakers, via USB, Wi-Fi, analog output or even HDMI, Nahimic Audio offers you the most engaging listening experience, vibrant and rich with details.

AMD Smart Access Memory

Conventional PC systems processor can only access a fraction of graphics memory and limits system performance. With AMD Smart Access Memory, the data channel gets expanded to harness the full potential of GPU memory, removes the bottleneck and increase performance.

2oz Copper PCB

2 ounce copper inner layers that provide stable signal traces and power shapes! Delivering lower temperature and higher energy efficiency for overclocking, it’s able to support the latest DDR4 memory modules with most extreme memory performance!

Dragon 2.5 Gb/s LAN

The intelligent 2.5Gb/s LAN platform is built for maximum networking performance for the demanding requirements of home networking, content creators, online gamers and high-quality streaming media. Boost networking performance up to 2.5X the bandwidth compared to the standard gigabit Ethernet, you’ll enjoy the faster and uncompromised connectivity experience for gaming, file transfers and backups.

Front USB 3.2 Gen1 Type-C

Front USB 3.2 Gen1 Type-C header delivers up to 5 Gbps data transfer rate and next generation reversible USB design to the front panel of computer case.

Dual USB 3.2 Gen2 (Type-A + Type-C)

This motherboard has a pair of onboard Type-A and Type-C USB 3.2 Gen2 ports built on the rear i/o for supporting next generation USB 3.2 Gen2 devices and to deliver up to 10 Gbps data transfer rates.

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