MSI X399 Gaming Pro Carbon AC TR4 ATX Motherboard

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Ready for AMD Ryzen Threadripper processors and virtual reality (VR), the X399 Gaming Pro Carbon AC TR4 ATX Motherboard from MSI is designed for extreme performance and is equipped with features such as Mystic Light, 3D printing support, Audio Boost 4, DDR4 Boost, Gaming LAN and Wi-Fi, Multi-GPU with Steel Armor PCIe slots, and more. This motherboard is designed to fit in ATX sized cases, supports the TR4 socket, the AMD X399 chipset, and is compatible with Windows 10 (64-bit).

The ATX form factor of the X399 Gaming Pro Carbon AC can support 128GB of DDR4 RAM, or 16GB in each of the eight 288-pin DIMM slots at memory speeds of 3600+ (OC), 3466 (OC), 3333 (OC), 3200 (OC), 3066 (OC), 2933 (OC), 2667, 2400, and 2133 MHz. It also has a total of 8 x SATA III 6 Gb/s ports and 3 x M.2 (Key M) slots. All of the M.2 slots support NVME PCIe 3.0 x4 and SATA storage devices, while two of the M.2 slots support devices with 2242/2260/2280 form factor, and the remaining M.2 slot supports devices with a 2242/2260/2280/22110 form factor. When using SATA storage devices, RAID 0, 1, and 10 are supported.

There is also one USB 3.1 Type-C port, one USB 3.1 Type-A port, eight USB 3.0 Type-A ports, and two USB 2.0 Type-A ports, all at the back panel, as well as one USB 3.1 Type-C port, four USB 3.0 ports, and four USB 2.0 ports, all internal. For those looking to expand their system using PCIe, there are four PCIe 3.0 x16 slots and two PCIe 2.0 x1 slots.

The X399 Gaming Pro Carbon AC does not contain any support for integrated graphics, meaning that users will need to purchase a compatible dedicated GPU of their choice. Once that GPU is installed, multi-GPU output is supported, with 4-Way NVIDIA SLI technology and 4-Way AMD CrossFire technology. Using the Realtek ALC1220 7.1-Channel HD audio codec, this motherboard delivers audio with high fidelity, which can be output using the five integrated audio jacks or one S/PDIF output. This motherboard is protected by a limited 3-year warranty.

General Features

Mystic Light

Personalize Your Gaming Rig

Customize and set up your own color scheme with the MSI Mystic Light utility. Select the available colors from the palette to match your system style. Bored of the same colors? Simply change the complete look of your system in no time.


Stay Cool While Gaming

Cooling your PC is essential for reliable performance. MSI has made sure to include enough fan headers with full control to allow you to cool your system the way you want.


Your In-Game Advantage

Outsmart and outperform your opponents in-game using an array of unique MSI GAMING tools. Clever hardware & software tools have been created to help keep you one step ahead of the competition and boost your skills.


Be the First on the Battlefield

This MSI GAMING motherboard supports the latest storage standards. This allows you to connect fast storage devices, giving you in-game benefits. Start games faster, load levels faster, and have a real advantage over your enemies.

Virtual & Mixed Reality

Immerse Yourself into Virtual Worlds

Integrating cutting edge technologies on MSI hardware helps to provide a smooth VR ride. Through joint efforts with major VR brands, combined with MSI features geared to VR, MSI brings gamers and VR professionals a vivid and realistic experience in which content comes alive.


Audio Boost 4

Built on years of experience in building motherboards dedicated to giving gamers true Hi-Fi sound, Audio Boost has developed into a high-quality audio unit, offering an advantage over your opponents when gaming.

Gaming LAN

Dominate the Game with Low Latency

Get ready to crush your enemies on the battlefield with MSI GAMING LAN. Featuring high-quality components tuned to deliver an online gaming experience with minimal lag.


Memory Performance

MSI motherboards are crammed with features to fuel your gaming rig's memory with more speed, higher overclocking, and increased stability.

Extreme Performance

OC Engine 2

This external clock generator gives you more freedom in BCLK adjustments to achieve a higher maximum overclock for your setup. It also offers lower jitter & power consumption resulting in a solid system under extreme conditions.


Improved PCB design and added layers allow MSI to optimize all traces for overclocking. Power and signal traces are isolated, resulting in higher efficiency and steadfast stability.

BIOS Flashback+

Simply flash an old or new BIOS version and start overclocking within minutes. BIOS Flashback+ even works without a CPU, memory, or graphics card installed.

Premium Power Phases

High quality components used in MSI motherboards help ensure a stable and optimized power delivery for improved performance.

DigitALL Power Design

A fully digital power design allows for faster and undistorted current delivery to the CPU at pin-point precision, creating the improved conditions for CPU overclocking.

Easy Button

This motherboard features accessible physical buttons for instantly resetting and powering up/down your system. The buttons are illuminated so you can spot them in a dark environment.

Load-Line Calibration

What you set is what you get. LLC helps make sure your CPU voltage remains 100% stable under any load. This improves stability when demanding more CPU performance.

Debug LED

Run into trouble? The digital LED display will indicate the source of the problem so you know exactly where to look to get up and running again.

Overvoltage Protection

Helps prevents potential short-circuit damage to the CPU and other critical components.



NOTE: This item is shipped directly from our supplier.

Delivery is restricted to locations within the continental U.S. (excludes Alaska, Hawaii or Puerto Rico). Order must include recipient's street address (no P.O. Box or General Delivery address) and daytime phone number.

Please allow approximately 3 days for shipment, plus an additional 7 days for delivery.