The ultimate platform for PC enthusiasts
Built for creators who game, and gamers who create, the scalable AMD X399 chipset offers unprecedented expansion for serious multi-GPU and NVMe arrays. Meanwhile: quad channel DDR4, ECC support, and unlocked overclocking make X399 a lock for users that depend on serious computing.1
Quad-Channel DDR4 Memory
66 PCI Express® Gen 3.0 Lanes2
8 PCI Express® Gen 2.0 Lanes3
Multi-GPU Support (AMD CrossFire™ and SLI) 2
Up to 2 native USB 3.1 Gen2 Ports
Up to 14 native USB 3.1 Gen1 Ports
Up to 6 native USB 2.0 Ports
Up to 12 SATA Ports
SATA RAID 0, 1, 10
NVMe RAID - No
Overclocking Support 1
Learn more about the premium motherboard designs from our partners.
(You will be directed to 3rd party sites.)
ASRock X399 Taichi
ASUS ROG Zenith Extreme
GIGABYTE X399 AORUS Gaming 7
MSI X399 Gaming Pro Carbon AC
- AMD product warranty does not cover damages caused by overclocking, even when overclocking is enabled via AMD hardware
- There are 64 lanes of PCI Express® Gen 3 connectivity in the AMD Ryzen™ Threadripper™ CPU. 4x lanes are reserved for communication with the AMD X399 chipset. Up to seven PCIe® devices may be connected to the system (not to exceed 60 lanes); additional concurrent devices may be supported with a PCIe® clkgen on the port or device. An additional 2x PCI Express® Gen3 lanes within the AMD X399 chipset may be used by the motherboard vendor to provide an additional 4x SATA or 2x SATA Express connections.
- These 8x PCIe® Gen2 lanes in the AMD X399 chipset may be utilized by the motherboard vendor to enable expansion devices such as Ethernet, WLAN, Bluetooth, or other companion controllers.