The AMD Ryzen 9 3900XT is the newest high-end CPU launched by AMD in mid-2020 to replace the existing Ryzen 9 3900X and compete with Intel Core i9-10900K. Searching for AMD Ryzen 9 3900XT motherboards that are recommended? The latest X570, B550, B450 motherboards have been checked and reviewed and the top-recommended ones for AMD Ryzen 9 3900XT are below:

Best Motherboard for AMD Ryzen 9 3900XT

1. GIGABYTE X570 AORUS Master (AMD Ryzen 3000/X570/ATX/PCIe4.0/DDR4/USB3.1/ESS 9118 Sabre HiFi DAC/Fins-Array Heatsink/RGB Fusion 2.0/3xM.2 Thermal Guard/Gaming Motherboard)

$369.99  in stock
13 new from $369.99
16 used from $262.12
Free shipping
as of April 29, 2021 10:27 pm


  • Supports AMD 3rd Gen Ryzen/ 2nd Gen Ryzen/ 2nd Gen Ryzen with Radeon Vega Graphics/ Ryzen with Radeon Vega Graphics processors
  • Dual channel ECC/ non-ECC unbuffered DDR4, 4 DIMMs
  • Direct 14 phases Infineon digital VRM solution with 50A power stage
  • Advanced thermal design - Fins-array heatsink & direct touch heat pipe
  • Triple ultra-fast NVMe PCIe 4.0/3.0 x4 M.2 with triple thermal guards