Mainboard MSI X99A Tomahawk


  • Supports New Intel® Core i7 processors Extreme Edition in LGA 2011-3 socket
  • Supports Quad Channel DDR4-3333+(OC) Memory
  • DDR4 Boost: Give your DDR4 memory a performance boost
  • Support lntel® Turbo Boost Max Technology 3.0.
  • USB 3.1 Gen2 2X FASTER: USB 3.1 Gen2 offers performance twice as fast as a regular USB 3.0 connection
  • Turbo M.2 32Gb/s + Turbo U.2 32Gb/s + USB 3.1 Gen2 Type-A+C + SATA 6Gb/s
  • TWIN GAMING LAN with LAN Protect, powered by Intel®: The best online gaming experience with lowest latency
  • Audio Boost 3: Reward your ears with studio grade sound quality
  • GAMING Hotkey: Assign macros, launch your favorite games or do real-time overclocking using a single button
  • XSplit Gamecaster v2.5: 1 year free premium license to show off your skills and achievements to the world
  • SteelSeries Certified: Optimized for SteelSeries gaming gear
  • Military Class 5: The latest evolution in high quality components featuring the brand new Titanium Chokes
  • MULTI-GPU with Steel Armor: Steel Armor PCI-E slots. Supports 3-Way NVIDIA SLI™ & AMD Crossfire™
  • Click BIOS 5: Award-winning brand new Click BIOS 5 with high resolution scalable font
  • GAMING CERTIFIED: 24-hour on- and offline game testing by eSports players for the best gaming experience
  • USB Speed Up: for up to 30% performance improvement on USB devices


  • CPU
    Supports New Intel®Core™ i7 Processor Extreme Edition for LGA2011-3 Socket
    Supports Intel® Turbo Boost Max Technology 3.0*
    * This function will be supported depend on the CPU.
  • Main Memory
    8 x DDR4 memory slots, support up to 128GB*
    – Supports DDR4 3333(OC)/ 3200(OC)/ 3000(OC)/ 2933(OC)/ 2800(OC)/ 2666(OC)/ 2600(OC)/ 2400/ 2200(OC)/ 2133 MHz
    Quad channel memory architecture
    Supports ECC/ non-ECC un-buffered memory
    Supports DDR4 RDIMM Memory
    Supports Intel®Extreme Memory Profile (XMP)
    * Hyper DIMM support depends on the individual CPU physical characteristics
    * For the latest information about memory, please visit
  • Slots
    3 x PCIe 3.0 x16 slots
    – Support x16, x16/x16, x8/x16/x8 with the CPU that supports 40 PCIe lanes.
    – Support x16, x16/x8, x8/x8/x8 with the CPU that supports 28 PCIe lanes.
    2 x PCIe 2.0 x1 slots
  • Multi-GPU
    Supports 3-Way AMD®CrossFire™ Technology
    Supports 3-Way NVIDIA® SLI™ Technology
  • USB
    ASMedia®ASM1142 Chipset
    1 x USB 3.1 Gen2 (SuperSpeed USB 10Gbps) port on the back panel
    1 x USB 3.1 Gen2 (Super Speed USB 10Gbps) Type-C port on the back panel
    ASMedia® ASM1074 Chipset
    4 x USB 3.1 Gen1 (SuperSpeed USB) ports on the back panel
    Intel® X99 Chipset
    4 x USB 3.1 Gen1 (SuperSpeed USB) ports available through the internal USB 3.1 connectors
    8 x USB 2.0 (High-speed USB) ports (4 ports on the back panel, 4 ports available through the internal USB 2.0 connectors)
  • Storage
    Intel® X99 Chipset
    10 x SATA 6Gb/s ports (2 ports from SATAe port)
    SATA1~6 support RAID 0, RAID 1, RAID 5 and RAID 10
    SATA7~10 only support IDE mode and AHCI mode
    1 x M.2 slot (Key M)
    Supports up to PCIe 3.0 x4 and SATA 6Gb/s
    Supports 2242/ 2260/ 2280/ 22110 storage devices
    1 x U.2 port */ **
    Supports PCIe 3.0 x4 NVMe storage
    • 1 x SATAe port* (compatible with 2 SATA ports)*
    Supports up to PCIe 2.0×2
    • Supports Intel® Smart Response Technology**
    * SATAe port (include SATA5~6) will be unavailable when installing M.2 SATA storage in M.2 slot (for 40-lanes CPU only). SATAe port (include SATA5~6) will be unavailable when installing M.2 storage device in M.2 port (for 28-lanes CPU only).
    ** This function will be supported depend on the CPU.
    *For 40-lanes CPU, it supports up to PCIe 3.0 x4 and SATA 6Gb/s
    *For 28-lanes CPU(i7-5820K / i7-6800K), it supports up to PCIe 2.0 x2 and SATA 6Gb/s
  • Audio
    Realtek®ALC1150 Codec
    – 7.1-Channel High Definition Audio
    – Supports S/PDIF output
  • LAN 
    1x Intel®I218LM Gigabit LAN controller
    • 1 x Intel® I210AT Gigabit LAN controller
    – Supports Intel LAN Teaming Technology
  • Internal I/O Connectors
    1x 24-pin ATX main power connector
    1x 8-pin ATX 12V power connector
    10x SATA 6Gb/s connectors
    1x SATA Express connector
    1x M.2 slot
    1x U.2 port
    2x USB 2.0 connectors (supports additional 4 USB 2.0 ports)
    2x USB 3.1 Gen1 connectors (supports additional 4 USB 3.1 Gen1 ports)
    1x 4-pin CPU fan connector
    1x 4-pin Water Pump connector
    3x 4-pin system fan connectors
    1x Front panel audio connector
    2x Front panel connectors
    1x TPM module connector
    1x Chassis Intrusion connector
    1x Clear CMOS jumper
    1x Power button
    1x Reset button
    1x Multi-BIOS switch
    1x RGB LED connector
    1x Slow mode booting jumper
  • Back Panel I/O Ports
    1 x PS/2 keyboard/ mouse combo port
    4 x USB 2.0 ports
    1 x Clear CMOS button
    1 x USB 3.1 Gen2 port
    1 x USB 3.1 Gen2 Type-C port
    4 x USB 3.1 Gen1 ports
    2 x LAN (RJ45) ports
    1 x Optical S/PDIF OUT connector
    5 x OFC audio jacks
  • Dimension
    12 in. x 9.6 in. (30.5 cm x 24.4 cm)
    ATX Form Factor
  • Mounting
    9 mounting holes



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