X99S GAMING nine AC, Motherboard – The world leader in motherboard design, MSI USA

X99S GAMING nine AC, Motherboard - The world leader in motherboard design, MSI USA

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Record your gaming activities at amazing 1080p quality with 60Mbps bitrate, without sacrificing CPU and graphics spectacle.

  • AVerMedia encoding chip
  • HD H.264 Hardware Compression
  • 1080p Total HD recording
  • 60 Mbps bitrate
  • No CPU and GPU spectacle influence
  • Optimized for XSplit Gamecaster

Want to demonstrate off your abilities

or just make a joy GAMING movie for your friends?

XSplit Gamecaster lets you lightly record your gaming moments and broadcast your live gameplay sessions to Twitch, YouTube, UStream and more.


Use XSplit Gamecaster to stream all of your gaming activities

Webcam & chroma key

Add a webcam and display your game face

Realtime notes

Draw attention whilst casting with in-game annotations

Record & upload

Organize and upload your greatest gaming moments

OC Engine

Run into unstable situations when pushing your CPU to the limit? This occurs because the internal clocks are linked through the one hundred MHz BCLK strap. Thanks to a integrated Clock Generator, MSI motherboards support more pliable BCLK adjustments, from one hundred / one hundred twenty five / one hundred sixty seven MHz straps.

more speed, more bandwidth, less power

MSI engineers made sure you can love high speed DDR4 compatibility. DDR4 brings higher memory speeds at even lower power usage as low as 1.2v.

DDR4 offers higher volume tucks, this means larger memory configurations are possible up to 128GB.

Dragon Armor

Much like the design of the I/O Cover, this awesome looking chunk of protective shield helps to keep the audio signal unspoiled, preventing interference from other components. This is enormously significant when requiring high quality sound.

Protective I/O cover

A black design I/O Cover with GAMING nine imprinted doesn't only look cool, but it also protects against Electro Magnetic Interference. Making sure whatever device you connect, you will always receive a unspoiled signal.

Prize your ears with true quality

Get ready for ear-drum shattering sound, with MSI Audio Boost Two! With Audio Boost two we're delivering the highest audio quality with the use of Creative Sound Blaster Cinema two so you can love crystal clear sound and music through 8-channel HD Audio.

Isolated Audio PCB

With traditional onboard audio the signal is twisted by electromagnetic signals from the rest of the PCB. Audio Boost two acts like a dedicated soundcard by physically isolating the audio circuitry which is separated by a crimson LED path. Less interference gives you a more clear audio signal.

Direct Audio Power

Love a mighty caliber audio practice with Direct Audio Power. A dedicated power input to Audio Boost two permits for a more powerful and stable power delivery, resulting in a more explosive and unspoiled sound practice.

Creative Sound Blaster Cinema Two

Thanks to Creative Sound Blaster Cinema Two, you're getting amazing surround sound with just stereo headphones or speakers.

Creative Sound Blaster Cinema two enables you to clearly hear specific sounds in gaming environments. Hear your enemies ideally, make your ears a decisive contraption to finish on top.

EMI Shielding

To shield the audio core from EMI (Electromagnetic Interference) caused by other add-in cards the audio chip is protected by a high-grade EMI cover with backlight illumination.

Dual Headhpone Amplifiers

Prepare for an eargasm. The built-in dual headphone amplifier prizes your high quality headphone with the most amazing studio level sound quality up to 600Ω delivered from your gaming PC.

High Quality Audio Capacitors

With the use of professional Nichicon Japanese capacitors, specially designed for audio purposes, MSI GAMING motherboards provide the highest possible audio signal filtering. Delivering high fidelity crystal clear sound with exceptional acoustics and realism.

  • Acoustic series
  • Lower Tolerance
  • Lower Dielectric Absorption
  • Lower ESR
  • Lower Leakage Current
  • Higher Stability

Golden Audio Connectors

With golden audio connectors you get the best possible signal output with less chance of distortion.

  • Up to 600Ω crystal clear sound with exceptional acoustics
  • Dedicated amplified output (crimson) optimized for studio-grade headgear
  • Superb signal conductivity and will not wear over time

USB Audio Power

When connecting numerous USB devices, most motherboards will be incapable to supply a strong 5V power signal to all USB ports. This is very noticeable with high-quality outer USB DACs where sound quality degrades as the motherboard is incapable to supply a ideal USB signal.

Only MSI USB Audio Power continuously supplies a stable 5V to the USB ports on motherboards, making sure you can proceed to love the crystal clear audio standard you expect.


  • Enhances USB Audio Quality
  • Stable 5V Power & Better Signal Transmission over USB

MSI® USB Audio Power (5V) Traditional solutions (Four.6V)

Killer™ E2200

The Killer™ E2200 Intelligent Networking Platform is built for maximum networking spectacle for online games and high-quality streaming media. Featuring Advanced Stream Detect™, Killer E2200 automatically detects and accelerates game traffic ahead of other network traffic for smoother, stutter-free in-game spectacle and the competitive edge. With this special, automatic traffic prioritization, games and real-time talk get priority over low-level system chatter, providing you the lowest latency for game data on the most controllable network hardware available.

EXAMPLE: Top three applications by Total Traffic Battlefield four (89%) Internet Explorer (9%) Origin (2%)

Through the detection and prioritization of gaming traffic you can ultimately fully utilize your network without fear of being kicked from an on-line game because of high ping. This enables true multi-tasking without by hand enabling or disabling applications, updates and installations. Killer networking actually permits you to use your PC twenty four hours a day.

Prompt storage

with SATA Express

SATA Express introduces a fresh solution in high speed storage through PCI-Express, providing more bandwidth for the latest generation SSDs up to ten Gb/s.

Thrust your SSD

even firmer with Turbo M.Two

Delivering speeds up to 32Gb/s using Gen3 x4, Turbo M.Two is more than five times quicker than a regular SATA III connection! Love a blazing prompt system boot up and insanely quick loading of applications and games with MSI motherboards.

Next generation M.Two

Turbo M.Two is the successor to M.Two ten Gb/s, suggesting three times more spectacle up to thirty two Gb/s using Gen3 x4. M.Two is packed in a puny form factor and is compatible with three different sizes to fit most storage solutions. All latest generation Intel® based MSI motherboards feature Turbo M.Two storage.

SteamOS support out of the box

MSI is committed to PC Gaming and that is why MSI GAMING motherboards support SteamOS by default. Because of this, MSI works close with numerous tier #1 system integrators that released their popular SteamBOX PCs.

Concentrate on gaming revolution

MSI is not only looking at current gaming innovations, we always keep our eye on the next gaming revoltuion and make sure our hardware is ready.

Military Class four components

Military Class four is the next step in high quality components. The Hi-c CAP, Super Ferrite Gasp and Dark CAP will make sure that your PC runs more stable under extreme gaming conditions.

Hi-c CAP

A Hi-c CAP is a very puny, but super-efficient capacitor. Besides ensuring enough spacing around a CPU socket to install large coolers, it also permits for 93% energy efficiency. Thanks to Hi-c CAP`s MSI mainboards are the most energy efficient in the market.

Super Ferrite Gasp

Super Ferrite Gasp uses a Ferrite core that is Super-Permeable. This permits the Super Ferrite Gasp to run at a thirty five degree Celsius lower temperature, have a 30% higher current capacity, a 20% improvement in power efficiency and better overclocking power stability.

Dark CAP

With their aluminum core design, Dark CAP`s has been a staple in high-end design mainboard designs and provides lower Equivalent Series Resistance (ESR) as well as its over-10-year lifespan.

Circuit Protection

Cautiously selected materials, numerous PCB layers and shielding result in the best circuit protection for our GAMING motherboards.

ECO Power

With MSI ECO Center you can physically cut the power to unused chips to save up to 19% power usage.

Humidity Protection

10% Reduction in moisture absorption helps prevent "Conductive Anodic Filament". Untreated PCB's can have 10x higher failure rate.

High Temperature Protection

All key components used in MSI motherboards have all passed military testing ensuring stable operation in the harshest environments.

ESD Protection

Each and every I/O port is protected against the hazards of Electro Static Discharge.

EMI Protection

All MSI motherboards conform with stringent American FCC regulations and reduce the influence of Electromagnetic Interference.

Concentrate on quality

We put extra effort in enlargening customer satisfaction. Our RMA rate has drastically decreased in the last few years.

To achieve the highest quality the MSI GAMING motherboards are developed by our most senior engineers on the most advanced production lines.

Gaming Device Port

MSI Gaming Device Port is optimized to produce the best connectivity for high end gaming mice to fully utilize it's speed. This results in a much swifter and smoother mouse response in games.

Gaming benefits

  • More responsive
  • Smoother gameplay
  • Quicker reactions

Technical benefits

  • 3x more gold than regular connectors
  • 10x longer lifetime when plugging/un-plugging
  • Prevents oxidation

OC Genie Four

OC Genie is the world's very first built-in hardware overclocking technology on motherboards. With this one-second overclocking option we're providing you even more spectacle. Just hit the button and your PC gets another adrenalin shot. Delivering up to 20% of free extra spectacle for the CPU, memory and iGPU.

Spectacle boost modes Laggers OC Genie 120% * Features may vary according to your platform and model


Outperform your competition with the MSI GAMING APP which permits simultaneous control of both your Motherboard and Graphics Card's overclocking.

Simply select your preferred mode with the click of a button:

  • Silent
  • Gaming
  • OC

This permits you to tune the system to your pleasure without any technical skill of overclocking. Scenamax quickly adjusts color temperature and contrast to the viewing script.

Click BIOS Four

The MSI Click BIOS four is the latest UEFI BIOS with optimizations for Windows 8. Not only that it also reacts swifter, runs smoother and has better mouse support. And this all comes with many cool features. Click on the button on the right to visit our dedicated BIOS page and learn more.

Optimized for numerous graphics cards

4-Way SLI / Crossfire

The X99S GAMING nine AC motherboard supports 4-Way SLI / CrossFire. Optimal PCI-Express slot placement permits for better fitting and airflow.

That way, you can love the best graphics at the highest framerate leaping off from your screen when running a NVIDIA® SLI™ or AMD CrossFire™ setup.


Live Update 6

MSI Live Update is renewed! Our popular software automatically downloads and installs the latest drivers, BIOS and software. Rest assured while your system is always configured using the latest software so you get the maximum spectacle and stability.

Guideline Center

MSI's Instruction Center software is a very powerful instrument to shove your motherboard to the max. With a very intuitive touch ready interface, Guideline Center permits users to tune settings to increase system stability, maximize overclocking spectacle and adjust cooling features.

Unlimited RAMDisk

MSI Instruction Center integrates an unlimited RAMdisk. With a RAMdisk you can create a virtual drive from your system memory enabling speeds 20x swifter than a modern SSD.

  • Speed up system spectacle
  • Geyser accomplish game pictures
  • Speed up games, apps and browser

Super charger

With MSI Super Charger you can simply produce more power than regular USB chargers to your smartphone, tablet, USB game controller or portable console.

This permits you to quickly charge these devices for use when you're not gaming on your PC, eliminating the need for wall power sockets.

USB Redrivers

USB Three.0 signal integrity suffers with longer cable length. The special USB Three.0 Redrivers on GAMING motherboards, connected to the internal USB Trio.0 ports, enable you to use longer USB Trio.0 cables, especially in larger chassis.

Wise Fan Control

Wise Fan Control gives you finish control of all your fans on the motherboard, convenient for gamers and overclockers;

  • Users can real-time monitor the status of the fans
  • Set profiles
  • Record fan speed, voltage and temperate status into a log file.

Dragon Heatsink

With an awesome product comes an inspiring heatsink! Styled after the iconic MSI GAMING Dragon. The heatsink is oversized to provide the best thermal transfer and warmth dissipation to enable your PC to just game twenty four hours per day.

OC Essentials

A puny set of implements that are essential to get the best spectacle out of your motherboard.

  • Increase stability
  • Assist in trouble shooting
  • Permit you to keep your finish system in check
  • Permit for ordinary management

This way you can keep your mind on gaming and be certain that you have the instruments to maximize your spectacle.

Intel® Wi-Fi AC & Bluetooth

The MSI GAMING motherboards come with an lightly unpluggable Intel® Wi-Fi / Bluetooth module.


Be sure to take utter advantage of all the GAMING weapons by connecting your devices to the optimized ports.

Audio Boost Two

  • 30µg Gold plated Audio Connectors
  • Amplified Audio

USB Audio Power

  • Optimized stable 5V USB ports
  • Best sound quality for outer DACs

Gaming Device Port

  • Optimized for high-rate gaming keyboards and mice
  • Triple gold plating for extended lifetime

Package content

What’s in the box? Check it out for yourself! Besides a plethora of necessary cables and connectors you also get a cool Do-Not-Disturb door-hanger, a slick MSI GAMING case badge, a set of cable labels and the stylish all black M-shield.

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