MSI X99A Gaming 9 ACK Extended-ATX Motherboard

MSI X99A Gaming 9 ACK Extended-ATX Motherboard

MSI X99A Gaming 9 ACK Extended-ATX Motherboard

No Longer Available

Product Highlights

  • Extended-ATX Form Factor
  • Intel LGA2011-3 Socket
  • Intel X99 Express Chipset
  • 8 x Quad-Channel DDR4-3333 (OC) Memory
  • 10 x SATA III, 1 x SATA Express, 1 x M.2
  • 5 x PCIe 3.0 x16 Slots
  • Audio Boost 2
  • Killer DoubleShot Pro, 802.11ac Wi-Fi
  • 2 x USB 3.1, 6 x USB 3.0
  • 4-Way SLI/CrossFire Technology
Show moreShow less

MSI X99A overview

  • 1Description

The MSI X99A Gaming 9 ACK Extended-ATX Motherboard features a larger-sized form factor than a standard ATX motherboard to support up to five PCI-Express 3.0 x16 expansion cards and Intel's Extreme Edition of processors. It comes with an LGA 2011-3 socket that is capable of handling eight-core processors with 40 PCI lanes. For gaming or industrial-graphics builds, you can link up to four dedicated graphics cards utilizing AMD CrossFire or NVIDIA SLI technologies. To complement your high-performance processor as well as GPUs, eight memory slots allow you to build a gaming system or workstation with up to 128GB of DDR4 RAM. This motherboard also comes armed with OC Engine and OC Genie 4 to overclock the CPU, memory, and GPU.

MSI has outfitted this motherboard with various storage-compatibility options such as PCI-based SSDs to SATA hard drives. It offers a single M.2 PCIe slot that has a bandwidth of 32 Gb/s. For your existing optical and storage drives, ten SATA ports give you the ability to build a system with multiple burners or a file server with a RAID array. In addition, this motherboard provides an internal SATA Express port along with two USB 3.1 Type-A ports that deliver data transfer rates up to 10 Gb/s.

This Gaming 9 ACK motherboard sports Killer DoubleShot Pro that combines the integrated 802.11ac Wi-Fi and Gigabit LAN controllers so you can experience unmatched online gaming performance. For audio, Audio Boost 2 is included so you can enjoy 7.1-channel sounds through five OFC audio jacks as well as an optical S/PDIF connector. Aside from these connections, this motherboard is equipped with a single PS/2 combo port and Bluetooth 4.1 as well as two USB 2.0 ports and six USB 3.0 ports.

USB 3.1
Faster than SATA III, USB 3.1 allows for speeds up to 10 Gb/s, doubling the speed compared to USB 3.0 and up to 20x faster than legacy USB 2.0.
  • Up to 2x faster than USB 3.0
  • Up to 20x faster than USB 2.0
  • Up to 10 Gb/s data transfer bandwidth
  • Boost transfer rate between your PC and external storage devices
Killer DoubleShot Pro
Killer DoubleShot Pro is a combination of Killer Gigabit Ethernet and Wi-Fi adapters to deliver fast online speeds and low latency. It also incorporates Advanced Stream Detect that automatically classifies and prioritizes the latency-sensitive applications for online games. Through the detection and prioritization of gaming traffic, you can fully utilize your network without fear of being kicked from an on-line game because of high ping. This enables multi-tasking without manually enabling or disabling applications, updates, and installations. Killer networking actually allows you to use your PC 24-hours a day.
Wireless AC Killer delivers 2.9x times faster data throughput when compared to traditional Wireless-N solutions, providing up to 3.5x times lower latency than other Wi-Fi solutions.
Team Up Killer LAN with Killer Wi-Fi
Smart teaming combines the integrated LAN and wireless for an improved gaming experience. The Killer Network Manager decides which apps run on which connection for gaming traffic optimization.
Streaming Engine
Since X99 lacks an integrated GPU, Intel Quicksync is not available to help while streaming your gaming activities. MSI's Streaming Engine is a dedicated hardware solution that captures videos in real time, without sacrificing CPU and graphics performance. It lets you record your gaming activities at 1080p quality with a 60 Mbps bitrate.
  • AVerMedia encoding chip
  • HD H.264 Hardware Compression
  • 1080p Full HD recording
  • 60 Mbps bitrate
  • No CPU and GPU performance impact
  • Optimized for XSplit Gamecaster
XSplit Gamecaster & XSplit Broadcaster
XSplit Gamecaster & Broadcaster V2 helps you easily record your gaming moments and broadcast your live gameplay sessions to Twitch, YouTube, UStream, and more. It's simple, easy to use, and suitable for sharing your gameplay with friends, family, or the world.

Video Editor: assemble and edit your recordings
Game Capture Auto Detect: allows for automatic streaming when starting a game
Realtime Notes: draw attention while casting with in-game annotations
Record & Stream: Use XSplit Gamecaster to stream and record all of your gaming activities
OC Engine
Have you run into unstable situations when pushing your CPU to the limit? This occurs because the internal clocks are linked through the 100 MHz BCLK strap. Thanks to an integrated Clock Generator, MSI motherboards support more flexible BCLK adjustments, from 100 / 125 / 167 MHz straps. Using these straps helps prevent system crashing while overclocking. MSI X99 motherboards come with the Clock Generator, offering even lower jitter and power consumption resulting in even higher stability under extreme conditions.
MSI engineers have made sure you can enjoy high-speed DDR4 compatibility. DDR4 brings higher memory speeds with power usage as low as 1.2 V. DDR4 offers higher volume sticks, meaning that memory configurations are possible up to 128 GB.
Dragon Armor
Much like the design of the I/O cover, this protective shield helps keep the audio signal pure, preventing interference from other components.
Protective I/O Cover
A black design I/O cover with Gaming 9 imprinted protects your components from Electro-Magnetic interference, making sure you receive a pure signal.
Audio Boost 2
With MSI Audio Boost 2 and Sound Blaster Cinema 2, you can enjoy clear sound and music through 8-channel HD Audio.
Isolated Audio PCB
With traditional onboard audio, the signal is distorted by electromagnetic signals from the rest of the PCB. Audio Boost 2 acts like a dedicated soundcard by physically isolating the audio circuitry which is separated by a red LED path. Less interference gives you an audio signal with more clarity.
Direct Audio Power
Enjoy a heavy caliber audio experience with Direct Audio Power. A dedicated power input to Audio Boost 2 allows for a more powerful and stable power delivery, resulting in a more explosive and pure sound experience.
Creative Sound Blaster Cinema 2
Thanks to Creative Sound Blaster Cinema 2, you're getting amazing surround sound with just stereo headphones or speakers. Creative Sound Blaster Cinema 2 enables you to clearly hear specific sounds in gaming environments. Hear your enemies perfectly, and make your ears a decisive tool 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 an EMI cover with backlight illumination.
Dual Headphone Amplifiers
The built-in dual headphone amplifier rewards your headphones with studio level sound quality up to 600 ohms delivered from your gaming PC. MSI Gaming motherboards are designed to be easy to use, featuring front and rear audio outputs fueled by Audio Boost 2.
Audio Capacitors
With the use of professional Nichicon Japanese capacitors specially designed for audio purposes, MSI Gaming motherboards provide the high level audio signal filtering, delivering high fidelity sound with strong 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 600 ohms sound with strong acoustics
  • Dedicated amplified output (red) optimized for studio-grade headgear
  • Superb signal conductivity and will not wear over time
USB Audio Power
When connecting multiple USB devices, most motherboards will be unable to deliver a strong 5V power signal to all USB ports. This is highly noticeable with external USB DACs where sound quality degrades as the motherboard is unable to deliver a perfect USB signal.

MSI USB Audio Power continuously delivers a stable 5V current to the USB ports on motherboards, making sure you can continue to enjoy the audio standard you expect. Benefits:
  • Enhances the USB audio quality
  • Stable 5V power and improved signal transmission over USB
SATA Express
SATA Express is a solution in high speed storage through PCI-Express, providing more bandwidth for the SSDs up to 10 Gb/s.
Push Your SSD to the Limit with Turbo M.2
Turbo M.2 is the successor to M.2 10 Gb/s, offering up to 3x more performance up to 32 Gb/s using Gen 3 x4. M.2 uses a small form factor and is compatible with three different sizes to fit most storage solutions.
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 release their SteamBOX PCs.
Military Class 4 Components
Military Class 4 includes high quality components. The Hi-c CAP, Super Ferrite Choke, and Dark CAP will help make sure that your PC runs more stable under extreme gaming conditions.

Hi-C Cap
A Hi-c Cap is a very small but efficient capacitor. Besides helping to ensure enough spacing around a CPU socket to install large coolers, it also allows for 93% energy efficiency

Super Ferrite Choke
Super Ferrite Choke uses a ferrite core that is super-permeable. This allows the choke to run at a 35°C lower temperature, have a 30% higher current capacity, a 20% improvement in a power efficient, and improved overclocking stability

Dark Cap
With their aluminum core design, Dark CAP's have been a staple in motherboard design and helps to provide lower Equivalent Series Resistance (ESR) as well as its over 10-year lifespan
Guard Pro
Circuit Protection
Carefully selected materials, multiple PCB layers, and shielding result in the circuit protection for our GAMING motherboards

ECO Power
With the MSI ECO Center, you can physically cut the power to unused chips to save up to 29% power usage

Humidity Protection
A 10% reduction in moisture absorption helps prevent "Conductive Anodic Filament." Untreated PCB's can have a 10x higher failure rate

High Temperature Protection
All key components used in MSI motherboards have all passed military testing to help ensure stable operation in harsh environments

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

EMI Protection
All MSI motherboards comply with American FCC regulations and help to reduce the impact of Electromagnetic Interference
Gaming Device Port
The MSI Gaming Device Port is optimized to deliver the connectivity for high end gaming mice to fully utilize its speed. This results in a faster and smoother mouse response in games.

Gaming Benefits:
  • More responsive
  • Smoother gameplay
  • Faster reactions
Technical Benefits:
  • 3x more gold than regular connectors
  • 10x longer lifetime when plugging/un-plugging
  • Helps prevent oxidation
OC Genie 4
OC Genie is a built-in hardware overclocking technology on motherboards. With this one-second overclocking option, just hit the button and your PC gets another adrenalin shot. This will deliver up to 20% of extra performance for the CPU, memory, and iGPU.
Boost Your Frame Rate
Outperform your competition with the MSI Gaming app, which allows 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
These modes allow you to tune the system to your preference without any technical knowledge of overclocking. Additionally, Scenamax quickly adjusts the color temperature and contrast to the viewing scenario.
Click BIOS 4
The MSI Click BIOS 4 is UEFI BIOS with optimizations for Windows 8 that reacts faster, runs smoother, and has better mouse support.
Optimized for Multiple Graphics Cards
The X99A Gaming 9 motherboard supports Quad SLI / CrossFire. The PCI-Express slot placement also helps allow for better fitting and airflow.
Live Update 6
MSI's Live Update automatically downloads and installs drivers, BIOS, and software updates

Command Center
MSI's Command Center software is a tool that helps push your motherboard to the max. With an intuitive touch-ready interface, Command Center allows users to tune settings to help increase system stability, maximize overclocking performance, and adjust cooling features.

Unlimited RAMdisk
MSI Command Center integrated an unlimited RAMdisk. With a RAMdisk, you can create a virtual drive from your system memory, helping to enable speeds up to 20x faster than an SSD. With a RAMdisk, you can speed up system performance, load complete game images, as well as speed up games, apps, and Internet browsers

Super Charger
With the MSI Super Charger, you can deliver more power than regular USB chargers to your smartphone, tablet, USB game controller, or portable console. This allows 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 3.0 signal integrity suffers with longer cable lengths. The USB 3.0 Redrivers on MSI Gaming motherboards, connected to the internal USB 3.0 ports, enable you to use longer USB 3.0 cables, especially in longer chassis

Smart Fan Control
Smart Fan Control gives you control of all the fans on the motherboard. This is beneficial for gamers and overclockers. Users will be able to real-time monitor the status of the system fans, create profiles, and record fan speed, voltage, and temperature status into a log file

Dragon Heatsink
This motherboard features an oversized heatsink to help provide increased thermal transfer and heat dissipation to enable your system to run intensive gaming sessions
OC Essentials
OC Essentials are a small set of tools that help get the best performance out of your motherboard:
  • Increase stability
  • Assist in troubleshooting
  • Allow you to keep your complete system in check
  • Allow for simple management
With OC Essentials, you can keep your mind on gaming and be confident that you have the tools to maximize your performance
Be sure to take advantage of all the ports that this motherboard provides:

Audio Boost 2
30µg Gold plated Audio Connectors
Amplified Audio

USB Audio Power
Optimized stable 5V USB ports
Good sound quality for external DACs

Gaming Device Port
Optimized for high-rate gaming keyboards and mice
Triple gold plating for an extended operational use
In the Box
MSI X99A Gaming 9 ACK Extended-ATX Motherboard
  • Driver & Utilities Disc
  • 6 x SATA Cables
  • 6 x V-Check Cables
  • Audio Power Adapter
  • M-Connector
  • 2 x Antenna
  • Wi-Fi/Bluetooth Module
  • 2 x SLI Cables
  • eSATA Bracket
  • eSATA Cable
  • eSATA Power Cable
  • I/O Cover
  • I/O Panel
  • Case Badge
  • Door Hanger
  • Cable Label Kit
  • Limited 3-Year Warranty
  • Table of Contents
    • 1Description

    MSI X99A specs

    CPU Supports Intel Core i7 Extreme Edition processors for the LGA2011-3 socket
    Chipset Intel X99 Express Chipset
    Memory Supports eight DDR4 2133 / 2200 (OC) / 2400 (OC) / 2600 (OC) / 2666 (OC) / 2750 (OC) / 3000 (OC) / 3110 (OC) and 3333 (OC) MHz DRAM
    - 128 GB max
    - Quad channel memory architecture
    - Supports non-ECC, unbuffered memory
    Slots 5 x PCIe 3.0 x16 slots, supporting up to 4-way mode
    - 1-way mode: x16/x0/x0/x0/x0
    - 2-way mode: x16/x0/x0/x16/x0, x16/x0/x0/x8/x0
    - 3-way mode: x16/x0/x0/x16/x8, x8/x8/x0/x8/x0
    - 4-way mode: x8/x8/x0/x16/x8, x8/x8/x0/x8/x4
    Streaming Engine Supports H.264 hardware video/ audio encoding up to 1920 x 1080 @ (24p/25p/30p)
    Multi-GPU Support Supports 4-Way AMD CrossFire Technology
    Supports 4-Way NVIDIA SLI Technology (For the CPU that supports 40 PCIe lanes)
    Supports 3-Way NVIDIA SLI Technology (For the CPU that supports 28 PCIe lanes)
    Supports Windows 7 and Windows 8/ 8.1
    Storage Intel X99 Express Chipset
    - 10 x SATA 6 Gb/s ports (2 ports are reserved for the SATA Express port)
    - SATA 1~6 support RAID 0, 1, 5, and 10
    - SATA 7~10 ports only support IDE and AHCI modes
    - Supports Intel Smart Response Technology (Windows 8.1, 8, and 7)
    1 x SATA Express port
    1 x M.2 port up to 32 Gb/s
    - M.2 port supports 1.7"/2.4"/3.1" (4.2 cm/6.0 cm/8.0 cm) module
    - M.2 PCIe module does not support RAID 0, RAID 1, RAID 5, and RAID 10
    USB Intel X99 Express Chipset
    - 6 x USB 3.0 ports (2 ports on the back panel, 4 ports available through the internal USB 3.0 connectors)
    - 6 x USB 2.0 ports (2 ports on the back panel, 4 ports available through the internal USB 2.0 connectors)

    ASMedia ASM1142 Chipset
    - 2 x USB 3.1 ports on the back panel

    VIA VL805
    - 4 x USB 3.0 ports on the back panel
    Audio Realtek ALC1150 Codec
    - 7.1-Channel High Definition Audio
    - Supports S/PDIF output
    LAN Killer E2205 Gigabit LAN controller
    Wireless LAN Killer Wireless 1525 module
    - Supports 2x2 802.11a/b/g/n/ac with advanced features
    - Supports 20/40 MHz at 2.4 GHz and 20/40/80 MHz at 5 GHz
    Bluetooth Killer Wireless 1525 module
    - Supports Bluetooth v4.1
    Internal I/O Connectors - 1 x 24-pin ATX main power connector
    - 1 x 8-pin ATX 12 V power connector
    - 1 x 4-pin ATX 12 V power connector
    - 10 x SATA 6 Gb/s connectors
    - 1 x M.2 port
    - 1 x SATA Express connector
    - 2 x USB 2.0 connectors (supports an additional 4 x USB 2.0 ports)
    - 2 x USB 3.0 connectors (supports an additional 4 x USB 3.0 ports)
    - 2 x 4-pin CPU fan connectors
    - 3 x 4-pin system fan connectors
    - 1 x Front panel audio connector
    - 2 x System panel connectors
    - 1 x TPM module connector
    - 1 x Chassis Intrusion connector
    - 9 x V-Check connectors
    - 1 x Clear CMOS jumper
    - 1 x Power button
    - 1 x Reset button
    - 1 x OC Genie button
    - 1 x Multi-BIOS switch
    - 1 x OC Genie mode switch
    - 1 x Audio power switch
    - 1 x Slow mode booting jumper
    - 1 x 2-Digit Debug Code LED
    - 1 x Wi-Fi/Bluetooth module connector
    Back Panel I/O Ports - 1 x PS/2 keyboard/mouse combo port
    - 2 x USB 2.0 ports
    - 1 x Clear CMOS button
    - 6 x USB 3.0 ports
    - 2 x USB 3.1 ports
    - 1 x LAN (RJ-45) port
    - 1 x Optical S/PDIF OUT connector
    - 5 x OFC audio jacks
    BIOS The motherboard BIOS provides "Plug & Play" BIOS which detects the peripheral devices and expansion cards of the board automatically
    The motherboard provides a Desktop Management Interface (DMI) function which records your motherboard specifications.
    Mounting 9 mounting holes
    Form Factor Extended-ATX form factor
    Dimensions 12.0 x 10.4" / 30.5 x 26.4 cm
    Packaging Info
    Package Weight 7.0 lb
    Box Dimensions (LxWxH) 13.9 x 11.6 x 4.7"

    MSI X99A reviews

    Be the first to review this item

    MSI X99A Q&A

    MSI X99A accessories

    See any errors on this page? Let us know.