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Clearance Centre: MSI X399 SLI PLUS w/ DDR4 2400, 7.1 Audio, Triple M.2, Dual GB LAN, 4-Way Crossfire / SLI

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10187- 34 Ave.
Edmonton, AB T6E 6J8
Phone: (780) 469-4616
Fax: (780) 435-5461
Store Hours
  • Mon-Fri10:00AM - 8:00PM
  • Saturday10:00AM - 6:00PM
  • Sunday11:00AM - 6:00PM
  • Holidays11:00AM - 6:00PM
Regular Price $464.99
Clearance Discount ($14.99)   3%
Clearance Sale!! ($135.00)   30%  Ends: 12/31/2020
Clearance Price $315.00   32% off
Clearance Information:
Warranty: 30 Days Warranty
Quantity Available: 1
Location: Edmonton South
Comments: refurbished
* Please Call To Confirm Item Availability
  • SKU: MX68994
  • ILC: 824142153581
  • Part #: X399 SLI PLUS
Last Modified:

Product Info

MSI X399 SLI PLUS For AMD Threadripper CPUs


Stronger Than Steel!

Combining quality you can rely on with top performance and clever business solutions are key aspects of the MSI PRO SERIES motherboards. Engineered to gratify even the most demanding professional, these motherboards will fit in any PC. Making your life easier and supporting your business with super stable, reliable and long-lasting top performance.

Real Next Gen Professional CPU and Motherboard Performance

Expect the lastest Computer Technologies at Consumer Level Prices
AMD's Multicore Threadripper CPUs along with matching X399 Chipset Motherboards offer an incredible leap forward for Workstations, High End Consumers and Serious Gamers who need and want true Professional level performance at reasonable prices so they can remain competitive.

Some of these new powerful features include 64x PCIe 3.0 lanes that can support up to 4x PCIE x16 Video Cards as well as Triple M.2 PCIe 3.0 x4 NVMe Card Slots, 8x Quad Channel DDR4 2666 Stock Clocked RAM Slots, USB 3.1 Type C Gen 2 / Lightning port and VR Certified Video and Audio subsections and components.

MSI X399 SLI PLUS Motherboard Lives For Video Cards

With a staggering 64 PCIe 3.0 Lanes, all Threadripper CPUs support up to 4x AMD or 4x NVIDIA Video Cards in up to 4-way CrossFire or SLI configurations for ultimate Gaming in VR or on single or multiple 4K UHD Monitors and beyond.

Here is how Video Cards configure on this Motherboard with up to 4 video cards:

  • 4-Way Mode: x16 / x16 / x16 / x16
  • 3-Way Mode: x16 / x16 / x16
  • 2-Way Mode: x16 / x16

A more practical setup for many would be to use up to 3 Video Cards in SLI or Crossfire setups. That way, you also leave room to use all 3 M.2 NVMe PCIe 3.0 x4 Storage Card Slots.



  • Supports AMD® RYZEN™ THREADRIPPER™ Series Socket TR4 CPUs
  • Support 8 DIMMs of Quad Channel DDR4 2666 / 3600+ (OC)
  • DDR4 Boost: Fully isolated, shielded and optimized DDR4 PCB design to give your DDR4 memory a performance boost
  • AUDIO BOOST 4: Reward your ears with studio grade sound quality for the most immersive gaming experience
  • Mystic Light and Mystic Light Sync: Personalize your PC with 16.8 million colors and 17 differen effects controlled in one click with the Mystic Light APP or a mobile device
  • Professional IO Cover & Heatsink: Stunning looks, protecting the I/O ports
  • EZ Debug LED: Easiest way to troubleshoot
  • Lightning Fast Game Experiences: 3x TURBO M.2 ports, 1x M. 2 Shield & LIGHTNING USB 3.1 GEN2 port
  • Lightning USB: Double the bandwidth with USB 3.1 Gen2 (10Gbps) Type A + Type C ports
  • PCI-E Steel Armor: Protecting VGA cards against bending and EMI Damage
  • X-Boost: Great tool to boost your USB & Storage performance
  • Double ESD Protection: Double layer grounding motherboard mounting holes
  • Military Class 6, Guard-Pro: Latest evolution in high quality components for best protection and efficiency
  • Click BIOS 5: Award-winning BIOS with high resolution scalable font, favorites and search function
  • VR Ready: Best virtual reality game experience without latency, reduces motion sickness
  • WHQL certified for Windows® 10

Motherboard Highlights

  1. Clear CMOS & FLASHBACK+ Buttons
  2. PS/2 Combo & USB 2.0 Port
  3. 8x USB 3.1 Type-A ports
  4. LAN Port &smp; Lightning USB 3.1 Gen2 Type A + C Gen2 Ports
  5. Gold Plated 3.5mm jacks + S/PDIF
  6. Mystic Light RGB Covers w/ Carbon
    Up to 16.8 Million Colors w/ 17 effects
  7. Heavy Plated Heatsinks
    Leading heatsink design cooling
  8. Mystic Light RGB HeatSink
  9. DDR4 Boost
    Optimized traces and isolated circuitry
  10. PCI-E Steel Armor
    Protecting VGA cards against bending and EMI
  11. Triple Turbo M.2 w/ 1x M.2 Shield
    NVMe support, up to 32 Gb/s using PCI-Express Gen3 x4
  12. Audio Boost 4 with Amplifier
    The best audio components for 120 dB SNR 32-bit

Mystic Light: Personalize Your Gaming Gig

Customize and set up your own color scheme with 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 1 second!

Stay Cooler

Cooling your PC is essential for reliable performance. We've made sure to include enough fan headers with full control to allow you to cool your system to the max.

Enjoy the latest video standards

Supporting the latest display connectors for new technologies (OLED, HDR) and legacy connectors for beamers, MSI motherboards are designed to make life easier for any professional user.

Be the first to boot up in the morning

This MSI product supports all the latest storage standards. This allows you to connect any ultra-fast storage device, giving you noticeable benefits. Start programs faster, load data faster and increase productivity.

Professional Sound Quality

Get the most immersive sound experience. MSI Audio Boost delivers the highest sound quality through the use of premium quality audio components. This lets you enjoy breathtaking, game-changing sound to create the most dynamic soundscapes.

Immerse Yourself In Virtual Worlds

Integrating the very best of cutting edge technologies on MSI hardware provides a smooth VR ride. Through joint efforts with major VR brands, combined with unique MSI features geared to VR, MSI brings gamers and VR professionals a vivid and realistic experience in which content truly comes alive.

Stable, Secure & Fast Networking

Optimized for professional and multimedia use, this generation comes equipped with a high quality network solution ready to serve you with 24/7 reliability when transferring big data.

Unmatched Memory Performance

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

Designed For Overclocking

Combining industries best components with MSI’s top notch R&D design, you can count on this motherboard to deliver world class performance. System tuning and troubleshooting tools are at your disposal to push your system to new heights.

Maximize Your USB Device Performance

Transfer lots of data, music and movies over USB faster than ever. MSI offers a wide variety of options to connect and boost your USB 3.1 devices, delivering lightning-fast transfer speeds!

Built on Everlasting Quality

Using only the finest quality components and integrating the latest technological innovations delivers the best possible professional experience. Rigorous quality testing under the most extreme conditions ensures a super reliable, long-lasting and high performance motherboard.

A User-Friendly BIOS

We made sure our BIOS contains all the latest options and is easy to use for everyone. The extensive features found in CLICK BIOS 5 let you fine-tune your system to deliver reliable maximum performance.

Fire Up Your 3D Printer!

Create your own unique modifications for MSI motherboards! MSI supports 3D-printable parts for personalization. With various design offered by MSI MOD HUB, you are able to easily customize heatsink covers, SLI bridges, and even your own name plates and logos in your favorite colors and materials.

Apps That Greatly Improve Efficiency

With years of experience in creating performance enhancing tools that are easy to use, only the highest quality applications are at your disposal. Use these tools to get the most out of your motherboard and time spent.

Additional Information:

Visit the Manufacturer Web Page for Full Details

Download the Manufacturer Specification Sheet

I/O Ports



CPU Support Supports AMD® Ryzen™ ThreadRipper Processors on Socket TR4
Chipset AMD® X399 Chipset
Memory 8x DIMM DDR4-2400 Stock clocked RAM, Unbuffered Memory, 128GB Max RAM (8x 16GB)

Supports Overclocked DDR4-3600+, 3466, 3333, 3200, 3066, 2933, 2800 & 2667 MHz Non-ECC, Un-buffered RAM

Integrated Graphics AMD® Threadripper CPUs and Motherboards do not have or support Integrated Graphics
Expansion Slots 4x PCIe 3.0 x16 slots:
4-Way Graphics Card Mode: x16 / x16 / x16 / x16
3-Way Graphics Card Mode: x16 / x16 / x16
2-Way Graphics Card Mode: x16 / x16

2x PCIe 2.0 x1 slots

Multi-GPU Support Supports up to 4 Way NVIDIA® SLI™ Technology
Supports up to 4 Way AMD® CrossFire™ Technology
Storage AMD® X399 Chipset:
8x SATA III (6Gb/s) ports
Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices

3x M.2 NVMe PCIe x4 / SATA III card slots
M2_1, M2_3 slots support 2242/ 2260 /2280 storage devices
M2_2 slot supports 2242/ 2260 /2280/ 22110 storage devices

USB Ports Back Panel USB Ports:
1x USB 3.1 Gen2 (10Gbps) Type-C port
1x USB 3.1 Gen2 (10Gbps) Type-A port
8x USB 3.1 Gen1 (5Gbps) Type-A ports
2x USB 2.0 (480Mbps) ports

Internal USB ports:
1x USB 3.1 Gen2 (10Gbps) Type-C port
4x USB 3.1 Gen1 (5Gbps) Type-A ports
4x USB 2.0 (480Mbps) Type-A ports

LAN Intel® I211 Chipset:
1x RJ45 Gigabit LAN port
Audio Realtek® ALC1220 Codec:
7.1 Channel High Definition Audio
5x Gold Plated 3.5mm Audio ports
1x S/PDIF output
Back Panel I/O Ports 1x USB 3.1 Gen2 Type-A port
1x USB 3.1 Gen2 Type-C port
8x USB 3.1 Gen1 Type-A ports
2x USB 2.0 Type-A ports
1x RJ45 Gigabit LAN port
5x Gold Plated 3.5mm Audio jacks
1x Optical S/PDIF OUT connector
1x PS/2 keyboard/ mouse combo port
1x Clear CMOS button
Internal I/O Connectors 1x 24-pin ATX main power connector
2x 8-pin ATX 12V power connector
1x 6-pin ATX 12V power connector
8x SATA 6Gb/s connectors
2x USB 2.0 connectors (for 4x USB 2.0 ports)
2x USB 3.1 Gen1 connectors (for 4x USB 3.1 Gen1 ports)
1x USB 3.1 Gen2 Type-C port
1x 4-pin CPU fan connector
1x 4-pin Water Pump connector
4x 4-pin system fan connectors
2x Front panel connectors
1x Front panel audio connector
2x RGB LED connector
1x TPM module connector
1x LED demo connector
Form Factor ATX Form Factor: 304 x 243mm
Weight N/A
30 Day Limited Warranty

Memory Express will help facilitate the return of defective product(s) to the manufacturer for repair or replacement at no cost to our customer with in the first thirty (30) days, unless otherwise specified. Returns / Exchanges for Clearance Items are valid within (15) days of original purchase date unless otherwise specified.

Please see our Retail Store Policies for more information.

Returns / Exchanges for Clearance Items are valid within (7) days of original purchase date unless otherwise specified. Clearance items carry a 30 Day Limited Warranty unless otherwise specified. Please see our Returns & Exchanges page for more information.