AMD socketTR4 EATX motherboard with M.2 Heatsink, DDR4 3600MHz, Dual M.2, U.2, SATA 6Gb/s, Front-panel USB 3.1 Gen 2 connector
- Ready for Ryzen™: Latest AMD socketTR4 for Threadripper™ processors.
- 5-Way Optimization: One-click, system-wide tuning, delivering optimized overclocks and intelligent cooling for CPU or GPU-intensive tasks.
- Industry-leading cooling options: Comprehensive controls for fans and water pumps, via Fan Xpert 4 software or the acclaimed ASUS UEFI.
- Next-gen connectivity: Onboard U.2, M.2 and front-panel USB 3.1 Gen 2 connector.
- M.2 heatsink: Ultra-efficient heatsink reduces M.2 SSD temperatures by up to 20°C for unthrottled transfer speeds and enhanced reliability.
- Aura Sync: Controllable onboard RGB lighting easily syncs with an ever-growing portfolio of Aura Sync-capable hardware.
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.
Tune it your way
One-click overclock and cooling, done!
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.
- An automated tuning utility that optimizes overclocking and cooling profiles for your unique system configuration.
- Fans stay whisper-quiet for everyday computing, and deliver optimal airflow when the system is crunching through CPU or GPU-intensive tasks.
- All-new stress test that allows users to optimize and overclock for CPU or memory-centric workloads.
Cooler by design
Prime X399-A features the most comprehensive cooling controls ever, configurable via Fan Xpert 4 or the UEFI BIOS:
Media-acclaimed UEFI BIOS
The smoothest, slickest 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 rated up to a staggering DDR4 3600MHz, allowing you to get the best performance from the X399 platform. We've worked with all major DDR4 memory vendors to help ensure compatibility, so you're assured the best compatibility.
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.
Connect Everything, Ultra-Fast
Speed up with onboard M.2 up to 32Gbps
With x4 PCI Express 3.0/2.0 bandwidth, M.2 supports up to 32Gbps data-transfer speeds. It is the perfect choice for an operating system or application drive, providing fast access to data.
Keep your SSD cooler
Prime X399-A has an ultra-efficient heatsink to reduce M.2 SSD temperatures by up to 20°C – and that means optimal storage performance and improved SSD longevity.
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 32Gbps – and free up a PCIe slot for another expansion card.
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.
USB 3.1 Gen 2 Type-A & Type-C
Ultimate-speed 10Gbps with USB 3.1 onboard
With backward-compatible USB 3.1 Gen 2 Type-A™ and reversible USB 3.1 Gen 2 Type-C™ ports, you'll experience ultimate connection flexibility and blazing data-transfer speeds of up to 10Gbps.
More throughput, less CPU usage
Prime X399-A features the latest Intel Ethernet. Intel's LAN has the advantage of reducing CPU overhead and offering exceptionally high TCP and UDP throughput for faster, smoother data transfer.
Step up to multi-GPU graphics
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 latest graphics technologies to drive games at 4K and beyond.
Protect your graphics card investment
SafeSlot* is the PCIe slot reinvented by ASUS and engineered to provide superior retention and shearing resistance. Manufactured in a single step using a new 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.
Upgrade to unrivalled audio
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 120dB signal-to-noise ratio for the stereo line-out and a 113dB SNR for the line-in, providing pristine audio quality. Additionally, a new impedance-sensing circuit automatically adjusts gain to ensure the optimal volume range for your headphones.
Surround sound, to go
Immersive 3D surround-sound technology provides incredible audio experiences.
Crystal Sound 3
Flawless audio that makes you part of the game
Reduces power-input noise to ensure consistent performance.
Separates analog/digital signal domains, significantly reducing multi-lateral interference.
Separate layer for left and right tracks
Ensures minimal crosstalk between audio paths.
Capable of driving high-impedance headphones, without rolling-off high or low frequencies.
Reduces start-up popping noise to all audio outputs.
Premium Japanese-made audio capacitors
Premium parts provide an immersive sound signature, with exceptional fidelity.
Make it your own
Outshine your competition
A well-tuned enthusiast system deserves a matching aesthetic. ASUS Aura offers full RGB lighting control with a variety of functional presets for the built-in RGB LEDs as well as strips connected to the onboard RGB header.* And it can all be synced with an ever-growing portfolio of Aura-capable ASUS hardware.
Exclusive 3D mount for easy installation
Make it your own
Dedicated 3D mounts on the motherboard makes fitting 3D-printed parts easy. Using the same screws as M.2 drives and standard motherboard mounting holes, you can easily add nameplates and cable covers.
Ready for AMD SocketTR4 Ryzen Threadripper
The ASUS Prime X399-A motherboard supports the latest AMD Ryzen™ Threadripper™ processors. Based on the innovative Zen core architecture, the high-performance Threadripper CPUs boast up to 16 cores. AMD SocketTR4 processors feature quad-channel DDR4 memory, 64 lanes of PCI Express® 3.0 and native 5Gbps USB 3.0 for superb performance.
AMD X399 chipset
The AMD X399 chipset delivers outstanding overclocking capabilities for the latest AMD SocketTR4 Ryzen™ Threadripper™ processors. It's optimized for multiple GPU configurations, including NVDIA SLI™ and AMD CrossFireX™. It also provides two 10Gbps USB 3.1 ports and eight 6Gbps SATA ports for faster data retrieval.
- Motherboard Type: Desktop
- Form Factor: Extended ATX
- Socket: TR4
- Chipset: AMD X399
- #Hide#DDR Type: DDR4
- RAM Technology: DDR4 (Quad Channel)
- RAM Slots: 8 x DIMM
- RAM Speeds: 3200(O.C.)/3000(O.C.)/2800(O.C.)/2666/2400/2133 MHz
- Maximum Memory: 128GB
- Graphics: –
- Graphics Ports: –
- Multi-GPU Support: Supports AMD Quad CrossFireX
Supports NVIDIA Quad SLI
- PCI Express: 4 x PCIe 3.0 x16
1 x PCIe 2.0 x4
1 x PCIe 2.0 x1
- PCI: –
- Storage: 6 x SATA III
1 x M.2 Socket 3 (2242/2260/2280)
1 x M.2 Socket 3 (2242/2260/2280/22110)
1 x U.2 port
- RAID: “RAID 0, 1, 10”
- Wireless: –
- LAN: GB LAN
- Audio: Realtek ALC S1220A 8-Channel High Definition Audio CODEC featuring Crystal Sound 3
- USB Ports: “2 x USB 3.1 Gen2 ports (Type-A & C port at back)
12 x USB 3.1 Gen1 ports (8 at back, 4 at mid-board)
4 x USB 2.0 ports (at mid-board)
1 x USB 3.1 Gen 2 front panel connector”
- Back Panel I/O Ports: 1 x LAN (RJ45)
2 x USB 3.1 Gen 2
8 x USB 3.1 Gen 1
1 x Optical S/PDIF out
5 x Audio jacks
1 x USB BIOS Flashback Button
- Internal I/O Connectors: 1 x 3-pin Cover fan
1 x Q_Code
1 x U.2 port
2 x RGB
2 x USB 3.1 Gen 1 connectors
2 x USB 2.0 connectors
2 x M.2 Socket 3
6 x SATA 6Gb/s
1 x M.2_FAN
1 x CPU Fan
1 x CPU OPT Fan
3 x Chassis Fan
- .: “1 x AIO_PUMP
1 x W_PUMP+
1 x 24-pin EATX
1 x 8-pin ATX 12V
1 x 4-pin ATX 12V
1 x Front audio
1 x System panel
1 x 5-pin EXT_FAN
1 x Thermal sensor
BUttons: Power-on, Clear CMOS
1 x USB 3.1 Gen 2 front panel connector”
- CPU Support: See manufacturers link (next to product images)
- Accessories: Users manual
1 x Vertical M.2 bracket set
4 x SATA 6Gb/s cable(s)
1 x M.2 Screw Package
1 x Supporting DVD
1 x SLI HB BRIDGE(2-WAY-M)
1 x Q-Connector
- Package Type: Retail
- Additional Features: See Overview
- Package Weight: 2.4850 kg
- Warranty: 3 Years