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€226.82 without VAT


Together with the first generation Ryzen Threadripper processors, AMD has also introduced a completely new X399 chipset. And this is the main centrepiece of the ASUS PRIME X399-A motherboard. With its capabilities, it is the ideal choice for building extremely powerful gaming computers or workstations.

Key features of the ASUS PRIME X399-A

  • Motherboard for powerful gaming computers with AMD Ryzen Threadripper processor
  • Attractive design of large passive coolers
  • Physically large eATX format
  • RGB Aura lighting
  • Modern connectors including USB-C to ensure extremely fast data transfer
  • Graphics card integration in CrossFire or SLI mode

A motherboard for state-of-the-art AMD processors

The ASUS PRIME X399-A motherboard is specifically designed for AMD Ryzen Threadripper processors that fit into the TR4 socket. They work with DDR4 memory at a frequency up to 3200MHz. The maximum occupancy of all eight ports is up to an astonishing 128GB.

Ideal for the most demanding gamers

With four PCI Express 3.0 slots, you can plug multiple graphics cards into the AMD CrossFire and NVIDIA SLI modes. This will greatly increase your graphics performance, so you'll be able to play the latest games with the highest level of detail at resolutions up to 4K. To take your gaming experience to the next level, the manufacturer has equipped the motherboard with a sound card that delivers a natural-sounding and true eight-channel sound that will immerse you.

ASUS 5-Way Optimization

Your computer can manage any complex tuning or debugging with a single click using 5-Way Optimization technology. It optimises the basic functions of your system based on actual usage. Whether you're playing games, watching a movie or working, the computer's performance adapts to your activities. This gives you maximum performance while saving energy. With superior performance, bandwidth priority setting and great sound, games will run remarkably fast and flawlessly smooth.

The ASUS PRIME X399-A also features M.2 slots

If you expect the maximum speed from your SSDs, then connect them with the Dual M.2 and single U.2 slotsExternal drives will enjoy high transmission speeds due to the presence of the USB 3.1 Gen 2 connector, which boasts impressive acceleration compared to the previous 2.0 generation. The required files are transferred up to 20 times faster. The modern USB type C is not included on the motherboard.



Socket and chipset

Socket AMD TR4
Chipset AMD X399

Format & functions

Motherboard form factor eATX (Extended ATX)
Basic functions Integrated network card, Integrated sound card, PCI Express 3.0, M.2 , Serial ATA III, UEFI BIOS


External Jack, Optical out, RJ-45 (LAN), RJ-45 (LAN) 1Gbps, USB 2.0, USB 3.2 Gen 1 (USB 3.0), USB-C
Internal Front Panel Audio connector, M2 Socket, S/PDIF bracket, Serial ATA III, TPM, USB 2.0 bracket, USB 3.0 (3.1 gen1) bracket, USB 3.2 Gen 1 (USB 3.0) bracket
PCI express x16
PCI express x4
PCI express x1
M.2 slots 2piece(s)
USB 2.0
Serial ATA III


Design DIMM
Memory type DDR4
Number of RAM slots 8 ×
Connection Mode Quad-channel
Max. frequency (OC) 3,200 MHz

Advanced parameters

Advanced features AMD CrossFireX, NVIDIA SLI/NVlink, RAID controller
Sound card type Realtek ALC1220
Number of sound card channels 7.1


Series Asus Prime
Code:  ACtr402
Warranty: 36 months
Product Number:  90MB0V80-M0EAY0
Links: Manufacturer's Website: