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ASUS PRIME X399-A - Motherboard - extended ATX - Socket TR4 - AMD X399 - USB 3.1 Gen 1, USB-C Gen2, USB 3.1 Gen 2 - Gigabit LAN - HD Audio(8-channel)

  • Product Status: In Stock
  • PP ID Code:AA81287
  • Manufacturer Part No:
    PRIME X399-A
  • Warranty:3 Years


inc GST & Free Delivery



ASUS Prime X399-A is the EATX motherboard that's been expertly engineered for professional content creators and power users who work hard by day and play harder by night. This powerful, innovative board puts a friendly face on advanced enthusiast controls, enabling you to maximize performance, cooling and personalization with ease. So, if you live to create, explore, and to push the boundaries, look no further than the Prime X399-A.

  • 5-Way Optimization
  • Media-acclaimed UEFI BIOS
  • Make your memory go faster
  • OC design - ASUS Pro Clock Technology
  • Speed up with onboard M.2
  • U.2 connector - join the NVMe revolution
  • USB 3.1 Gen 2 front-panel connector
  • Multi-GPU support
  • SafeSlot - protect your graphics card investment
  • Realtek codec and unique design features for pristine, powerful audio

  • 5-Way Optimization
    One click takes care of all that complex tuning. ASUS 5-Way Optimization makes your PC smart. It dynamically optimizes essential aspects of the system, providing overclocking and cooling profiles that are tailored for your rig.
  • Media-acclaimed UEFI BIOS
    The smooth, slick mouse-controlled graphical BIOS has been improved to make it even more appealing. Whether you're a PC novice or a seasoned overclocker, the EZ and advanced modes help you find your way, quickly and easily.
  • Make your memory go faster
    Prime X399-A is engineered to support quad-channel memory kits, allowing you to get excellent performance from the X399 platform.
  • OC design - ASUS Pro Clock Technology
    A dedicated base-clock generator that extends CPU and memory overclocking margins. This custom solution works in tandem with the TPU to enhance voltage and base-clock overclocking control, providing the flexibility to extract every ounce of performance from Ryzen Threadripper processors.
  • Speed up with onboard M.2
    With x4 PCI Express 3.0/2.0 bandwidth, M.2 supports up to 32 Gbps data-transfer speeds. It is the perfect choice for an operating system or application drive, providing fast access to data.
  • U.2 connector - join the NVMe revolution
    The revolutionary specification that lets your SSDs scream at top speed. Just attach your chosen drive to with Plug-and-Play ease to experience data-transfer speeds of up to 32 Gbps - and free up a PCIe slot for another expansion car
  • USB 3.1 Gen 2 front-panel connector
    Prime X399-A's front panel USB 3.1 connector is ready for next-gen PC cases and devices.
  • Multi-GPU support
    With support for both NVIDIA SLI and AMD CrossFireX 2/3-WAY configurations, Prime X399-A motherboard enables multi-GPU setups so you can harness the full power of the advanced graphics technologies to drive games at 4K and beyond.
  • SafeSlot - protect your graphics card investment
    SafeSlot is the PCIe slot engineered to provide superior retention and shearing resistance. Manufactured in a single step using an amazing insert-molding process, SafeSlot integrates the slot with fortifying metal for an inherently stronger slot, which is then firmly anchored to the PCB through additional solder points.
  • Realtek codec and unique design features for pristine, powerful audio
    Prime X399-A utilizes a unique audio codec designed in close collaboration with Realtek - the Realtek S1220A. It also features an unprecedented 120 dB signal-to-noise ratio for the stereo line-out and a 113 dB SNR for the line-in, providing pristine audio quality. Additionally, an impedance-sensing circuit automatically adjusts gain to ensure the optimal volume range for your headphones.

Main Specifications

Product Description ASUS PRIME X399-A - motherboard - extended ATX - Socket TR4 - AMD X399
Product Type Motherboard - extended ATX
Chipset Type AMD X399
Compatible Processors Ryzen ThreadRipper
Audio HD Audio (8-channel)
Processor Socket 1 x Socket TR4
RAM Supported 8 DIMM slots - DDR4, non-ECC, ECC, unbuffered
Storage Ports 6 x SATA-600 (RAID), 2 x M.2, 1 x U.2
LAN Gigabit Ethernet
USB / FireWire Ports USB 3.1 Gen 1, USB-C Gen2, USB 3.1 Gen 2 1 x USB-C Gen 2 + 1 x USB 3.1 Gen 2 + 8 x USB 3.1 Gen 1 + (1 x USB 3.1 Gen 2 + 4 x USB 3.1 Gen 1 + 4 x USB 2.0 via headers)
Max RAM Size 128 GB

  • Extended Specifications

  • Audio
    Type HD Audio (8-channel)
    Audio Codec Realtek ALCS1220A
    Compliant Standards DTS Connect, High Definition Audio, DTS Headphone:X
    Expansion / Connectivity
    Expansion Slots 1 x CPU
    8 x DIMM 288-pin
    4 x PCIe 3.0 x16 (dual x16 mode; triple: x16, x16, x8 mode)
    1 x PCIe 2.0 x4
    1 x PCIe 2.0 x1
    Storage Interfaces SATA-600 -connectors: 6 x 7pin Serial ATA - 6 devices - RAID 0 / RAID 1 / RAID 10
    SATA-600 / PCIe 3.0 -connectors: 2 x M.2
    PCIe 2.0 -connectors: 1 x U.2
    Interfaces 1 x LAN (Gigabit Ethernet)
    1 x TOSLINK
    1 x USB 3.1 Gen 2
    1 x USB-C Gen2
    8 x USB 3.1 Gen 1
    1 x microphone - mini-jack
    1 x audio line-in - mini-jack
    1 x audio line-out - mini-jack
    1 x audio line-out (center/subwoofer) - mini-jack
    1 x audio line-out (rear) - mini-jack
    Internal Interfaces 1 x USB 3.1 Gen 2 - header
    4 x USB 3.1 Gen 1 - header
    4 x USB 2.0 - header
    1 x audio - header
    Power Connectors 4-pin ATX12V connector, 24-pin main power connector, 8-pin ATX12V connector
    BIOS Features WfM 2.0 support, Multilingual BIOS, ASUS Quiet Thermal Solution, USB BIOS Flashback, UEFI BIOS, ASUS EZ Flash 3, DMI 3.0 support
    Sleep / Wake Up Wake on LAN (WOL), wake on PME
    Hardware Features Jack retasking, ASUS Q-Design, Q-DIMM, ASUS EZ DIY, Q-LED, Q-Slot, ASUS Q-Connector, audio jack detect technology, ASUS EPU (Energy Processing Unit), ASUS Q-Shield, NVIDIA 3-way SLI Technology Support, NVIDIA Quad SLI Technology Support, NVIDIA 2-way SLI Technology Support, ASUS TPU (TurboV Processing Unit), ASUS DIGI+ VRM, Fanless Design Heatsink, Fanless Design Heat-pipe, Q-Code, AMD CrossFireX technology support, AMD Quad CrossFireX technology support, AMD 3-way CrossFireX technology support, Preboot eXecution Environment (PXE), Clear CMOS Button, anti-pop function, Turbo LAN, Dual Intelligent Processors 5, LANGuard, ASUS Crystal Sound 3, ASUS PRO Clock Technology, AURA RGB Lighting Control, ASUS Fan Xpert 4, ASUS SafeSlot, 3D printing friendly
    Product Type Motherboard - extended ATX
    Chipset Type AMD X399
    Processor Socket Socket TR4
    Max Processors Qty 1
    Compatible Processors Ryzen ThreadRipper
    Network Controller Intel I211-AT
    Network Interfaces Gigabit Ethernet
    Included Accessories 1 x M.2 screw, I/O back cover, vertical M.2 bracket set
    Cables Included 4 x Serial ATA cable
    1 x SLI bridge
    Software Included ASUS AI Charger, ASUS AI Suite III, ASUS Turbo App, PC Cleaner, ASUS EZ Flash 3
    Width 30.5 cm
    Depth 26.9 cm
    Supported RAM
    Max Size 128 GB
    Technology DDR4
    Bus Clock 2400 MHz, 2133 MHz, 2666 MHz, 2800 MHz (O.C.), 3000 MHz (O.C.), 3200 MHz (O.C.), 3333 MHz (O.C.), 3466 MHz (O.C.), 3600 MHz (O.C.)
    Supported RAM Integrity Check Non-ECC, ECC
    Registered or Buffered Unbuffered