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Product Highlights

  • ATX Form Factor
  • Intel LGA2011-v3 Socket
  • Intel X99 Chipset
  • Supports Intel Core i7 Processors
  • Supports DDR4-2400/2133 Memory
  • Supports SATA III, SATA Express, & M.2
  • USB 3.1 Connectivity
  • 3 x PCIe 3.0/2.0 x16 Slots
  • Dual Gigabit LAN Controllers
  • Supports RAID 0, 1, 5, 10
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ASUS X99 overview

  • 1Description

The SABERTOOTH TUF X99 USB 3.1 Motherboard from ASUS is designed to fit in standard sized ATX cases. The 12.0 x 9.6" SABERTOOTH TUF X99 supports Intel Core i7 processors, the LGA2011-v3 socket, and the Intel X99 chipset. It has been designed to deliver power and speed to Internet browsing, extreme gaming, CAD software, and more. It also features a strengthened backplate and a flexible cooling system for increased stability. This motherboard is compatible with 32 and 64-bit editions of Windows 8.1, 8, and 7 operating systems. It also supports USB 3.1 which can achieve data transfer rates of up to 10 Gb/s.

The ATX form factor of the SABERTOOTH TUF X99 can support 64GB of RAM and comes with 8 x DIMM slots that can each hold 8GB of 288-pin DDR4 2400/2133 MHz non-ECC, unbuffered memory. The SABERTOOTH TUF X99 also has a total of 8 x SATA III 6 Gb/s ports, 1 x SATA Express connector, 1 x M.2 connector that only supports PCIe SSDs, 2 x USB 3.1/3.0/2.0 ports, 8 x USB 3.0 ports, 8 x USB 2.0/1.1 ports, 5 x audio jacks, 1 x S/PDIF out, and 2 x Gigabit LAN ports. To provide data redundancy, RAID 0, 1, 5, and 10 modes are supported and PCIe expansion is dependent on whether a 40 or 28-lane CPU is installed. When a 40-lane CPU is installed, users will have access to three PCIe 3.0/2.0 x16 (x16, x16/x16, x16/x16/x8) lanes. When a 28-lane CPU is installed, users will have access to three PCIe 3.0/2.0 x16 (x16, x16/x8, x16/x8/x4), one PCIe 2.0 x4 (x2 mode), and one PCIe 2.0 x1 lanes. While this motherboard does not have any video out ports, it does have multi-GPU support for NVIDIA Quad-GPU SLI technology, NVIDIA 3-Way SLI technology, AMD Quad-GPU CrossFireX technology, and AMD 3-Way CrossFireX technology.

The SABERTOOTH TUF X99 is designed to be a complete solution provider. To this end, it undergoes server-stability tests of over 7,000 hours and compatibility checks with over 1,000 devices. To help it achieve these standards, this motherboard is built with Thermal Armor and a flow valve to help optimize airflow and boost heat dissipation, as well as Thermal Radar 2, which is customized fan tuning to help tweak system cooling. TUF ICe is a microchip that helps deliver precise temperature monitoring and fan controls, and the TUF Fortifier helps improve rigidity and cooling behind the board, to help ensure that the motherboard won't collapse under heavy components. The TUF Fortifier also includes a thermal pad to help direct heat away from the VRM and other components.


OC Socket
Designed to break performance barriers, the ASUS OC Socket utilizes extra pins to connect a proprietary circuit to contacts found on Haswell-E's land grid array (LGA). Combined with ASUS UEFI, this feature enables higher DDR4 memory frequencies, lower latencies, and enhanced stability while overclocking. This extends all the way to extreme overclocking conditions, such as Liquid Nitrogen (LN2). The OC Socket is 100% compatible with new Haswell-E LGA 2011-v3 CPUs, helping to ensure the combination of overclocking performance and compatibility
Cache Bus Voltage Adjustment
Cache bus links areas such as CPU cores, DDR4 memory controllers, system agent, and the shared L3 Cache. It is an interconnect for the whole CPU subsystem. Higher Cache Bus frequency helps gives faster total sub-system performance. The ASUS OC Socket also helps provide an adjustable cache bus voltage to reach higher cache bus frequencies
Increased Memory Frequencies
This platform supports DDR4 memory and is able to drive memory frequencies to 3200 MHz and beyond when overclocked. ASUS-exclusive T-Topology circuit design plus the ASUS OC Socket helps provides memory-overclocking capabilities to unleash the power of DDR4 by minimizing coupling noise and signal reflection. With equidistant memory channels, it delivers the most balanced control and powerful overclocking compatibility. ASUS works with almost every DDR4 memory vendor to help ensure the best compatibility
TUF Detective
A free companion app puts detailed system information and a user-friendly interface at your fingertips - right on your smartphone or tablet. Just download the app and you're able to monitor key parameters, detect and diagnose errors, and control your PC's power status with touchscreen ease. Your PC doesn't even need to be switched on for you to make use of the app


Thermal Armor
TUF Thermal Armor employs the fan to provide boosted airflow for rapid cooling. The special heat pipes help accelerate dissipation from critical components and make sure temperatures stay low across the board. SABERTOOTH X99 Thermal Armor can reduce the temperature by up to 50°F / 10°C
Thermal Radar 2
SABERTOOTH X99 Thermal Radar 2 now has up to 11 fan connectors to let you control as many fans as you want. Moreover, multiple onboard sensors and the bundled thermistor cable let you monitor graphics card temperatures and other key components in real time, so you can adjust manually or optimize automatically with one click

VGA - X99 Thermal Radar 2's fan management has been expanded, so now you can control fans on ASUS graphics cards, as well as multiple case fans

Fan Control - With customizable settings for each fan, you can extend your motherboard's lifespan. You can even monitor, manage, and individually name and control your system's fans to create a balance between quietness, cooling, and performance Thermal Tuning - You can also choose to optimize the whole system's fan setup with a single click. Based on the characteristics of each fan connected to your motherboard, all fan profiles can be quickly optimized

Thermal Status - With thermal-status reports showing CPU and graphics cards zone temperatures in real-time, your system's fan control can be as precise as you like. Additional CPU thermal assessment gauges temperature rises with increasing voltage, providing a benchmark to judge your CPU cooler's performance

Recorder - Critical voltages, temperatures, and fan speeds are recorded over time, so you can review your system's history and make informed judgments for improved operation

DIGI+ Power Control - DIGI+ Power control helps provide power efficiency and stability that can help reduce wasteful voltage discrepancies and provide a more stable CPU and memory setup. TUF also offers precise memory tuning in addition to extra-accurate CPU voltage control
ASUS TUF engineers have forged a microchip that helps deliver precise temperature monitoring and fan controls. With the TUF ICe Cool processor, the monitoring of onboard temperature sensors and fan speeds is accurate, whether you're adjusting settings manually or using the automatic one-click optimization


TUF Fortifier
SABERTOOTH X99 delivers strength and cooling via the TUF Fortifier. A reinforced backplate helps ensure that the motherboard doesn't buckle under the weight of heavy graphics cards and CPU coolers, minimizing the risk of damaged circuitry from bowing and bending.

The TUF Fortifier also includes a thermal pad that directs heat away from the VRM and other components, which helps reduce operating temperatures by up to 43°F / 6°C
TUF Components
TUF MOSFETs are military-grade certified MOSFETs with lower RSD(on)

TUF Chokes is a heat-sink concept design that provides a larger heat-dissipation area

10KTi-Caps help provide +20% temperature tolerance and up to 5X longer lifetime usage
Dust Defenders
The TUF design helps protect back I/O ports, expansion and memory slots, plus critical connectors from dust and particles that degrade system performance over time if left unchecked. With a filter to help ensure the back I/O fan doesn't draw dust into the board, Dust Defenders guards against dust build up, helping your PC perform in an optimal and stable state longer
Limited 5-Year Warranty
Each and every TUF motherboard is built with components certified for military use and undergoes server-level burn-in tests, including over 7,000 hours of compatibility checks with over 1,000 devices
TUF ESD Guards 2
Electrostatic discharge (ESD) can happen suddenly and its damaging effects are easily underestimated. TUF ESD Guards 2 technology is tested to standards that are up to 2X higher than industry standards and pin-level on specific rear IO connectors (audio connectors, LAN ports, and USB 3.1/3.0 ports) testing is up to 30% higher than previous TUF standard, helping to ensure that electrostatic discharges are properly grounded from all onboard connectivity - and that means greater component longevity

High-Speed Transfer

USB 3.1 (10 Gb/s) Built Into the Board
With USB 3.1 connectivity built in and dual Type-A ports for USB data transfers, you'll experience data-transfer speeds of up to 10 Gb/s, or twice as fast USB 3.0. This next-generation standard is also backward-compatible with your existing USB devices. ASUS-exclusive USB 3.1 Boost technology also automatically helps accelerate USB 3.1 performance even further
SATA III 6 Gb/s connectors provide data transfer speeds of up to 6 Gb/s
SATA Express
SATA Express connectors provide data transfer speeds of up to 10 Gb/s
Onboard M.2 connectivity provides data transfer speeds of up to 10 Gb/s when used Gen2 x2 and up 32 Gb/s when used Gen3 x4

Durable Design

The mouse-controlled graphical BIOS features improvements to both EZ and Advanced Modes. It benefits both the novice builder as well as the seasoned overclocker.

EZ Mode
Fan Profile - Detailed CPU & chassis fan controls for cooling
SATA Information - Displays the details for each SATA port for you to recognize devices
Clock Adjustments: Change the time and data in EZ Mode using the mouse

Advanced Mode
Shortcut - Customize your own shortcut log by pressing F4 or right clicking to create shortcuts to frequently-used settings
Quick Notes - Type remarks and ideas in the BIOS
Last Modified Log - Track settings and save preferred profiles into a USB drive
SATA Port Renaming - Rename SATA ports for easy identification
TUF Audio Design
TUF Audio Design makes short work of optimizing audio settings for the way you want to listen, chat, watch movies, or relax to your favorite music. Onboard physical shielding, a professional engineered design, and premium components result in sound output that has exceptional clarity and fidelity.

Audio Shielding - Helps ensure precision analog/digital separation and greatly reduced multi-lateral interference
Unique De-Pop Circuit - Reduces start-up popping noise to all audio outputs
Audio Amplifier - Helps enhance high quality sound for headphones and speakers
Layout Design - Separate layers for left and right channels help guard the quality of the sensitive audio signals
Intel CPU and Chipset Features
Intel Core i7 Processor LGA2011-v3 Ready
This motherboard supports Intel Core i7 processors in the LGA2011-v3 package, with memory and PCI Express controllers integrated to support 4-channel (8 DIMM) DDR4 memory and 40/28 PCI Express 3.0/2.0 lanes

Intel X99 Express Chipset
The Intel X99 Express Chipset is a single-chipset design that supports socket LGA2011-v3 Intel Core i7 processors. It provides improved performance by utilizing serial point-to-point links, allowing increased bandwidth and stability. Additionally, the X99 chipset provides 8 x USB 3.0 ports and 8 x SATA III 6 Gbit/s ports for faster data retrieval
UPC: 889349024324
In the Box
  • ASUS Q-Shield
  • 6 x SATA III 6 Gb/s cables
  • ASUS 2-Way/3-Way SLI bridge
  • Q-connector (2-in-1)
  • Assistant Fan (40mm)
  • 2 x PCIe x16 Slot Dust Covers
  • PCIe x4 Slot Dust Cover
  • PCIe x1 Slot Dust Cover
  • 4 x DRAM Slot Dust Covers
  • 3 x Thermistor Cables
  • Connector Dust Cover Collection (onboard USB 3.0, LAN)
  • 2 x Onboard USB 2.0 Connector Dust Cover
  • 11 x Back I/O USB 2.0 Connector Dust Covers
  • 9 x Onboard SATA Connector Dust Covers
  • SATA Express Connector Dust Cover
  • 5 x Audio Connector Dust Covers
  • Limited 5-Year Warranty
  • Table of Contents
    • 1Description

    ASUS X99 specs

    CPU Intel Socket LGA 2011-v3 Core i7 Processors
    Supports Intel 22 nm CPU
    Supports Intel Turbo Boost Technology 2.0, depending on the CPU type
    Chipset Intel X99
    Memory 8 x DIMM
    Max. 64 GB of DDR4 2400/2133 MHz Non-ECC, Un-buffered Memory
    Multi-GPU Support Supports NVIDIA Quad-GPU SLI Technology
    Supports NVIDIA 3-Way SLI Technology
    Supports AMD Quad-GPU CrossFireX Technology
    Supports AMD 3-Way CrossFireX Technology
    Expansion Slots 40-Lane CPU
    3 x PCIe 3.0/2.0 x16 (x16, x16/x16, x16/x16/x8)

    28-Lane CPU
    3 x PCIe 3.0/2.0 x16 ( x16, x16/x8, x16/x8/x4)
    1 x PCIe 2.0 x4 (x2 mode)
    1 x PCIe 2.0 x1
    Storage Intel Core i7 Processors
    1 x M.2 Socket 3, gray with M Key, type 2242/2260/2280/22110 storage devices support (Supports PCIE SSDs only)

    Intel X99 Chipset
    1 x SATA Express port compatible with 2 x SATA III 6.0 Gb/s ports
    8 x SATA 6Gb/s ports
    Supports RAID 0, 1, 5, and 10
    Supports Intel Smart Response Technology and Intel Rapid Recovery Technology
    LAN Intel I218V, 1 x Gigabit LAN Controller
    Realtek 8111GR, 1 x Gigabit LAN
    Gigabit Intel LAN Connection- 802.3az Energy Efficient Ethernet (EEE) appliance
    ASUS Turbo LAN Utility
    Audio Realtek ALC1150 8-Channel High Definition Audio CODEC

    Audio Features
    - Absolute Pitch 192 kHz/ 24-bit True BD Lossless Sound
    - Optical S/PDIF out port at back panel
    - BD Audio Layer Content Protection
    - Audio Shielding: Helps ensures precision analog/digital separation and greatly reduced multi-lateral interference
    - Dedicated audio PCB layers: Separate layers for left and right channels to guard the quality of the sensitive audio signals
    - Audio amplifier: Helps provides the highest-quality sound for headphones and speakers
    - Unique de-pop circuit: Reduces start-up popping noise to audio outputs
    - Top notch audio sensation delivers according to the audio configuration
    - Separate layers for the left and right track, helping to ensure both channels deliver equal sound quality
    USB Ports Intel X99 chipset
    8 x USB 3.0 ports (4 at the back panel, 4 at mid-board)
    8 x USB 2.0/1.1 ports (4 at the back panel, 4 at mid-board)

    ASMedia USB 3.1 controller
    2 x USB 3.1/3.0/2.0 ports (2 at back panel, teal blue)
    Special Features TUF Features
    TUF ENGINE! Power Design
    - 8 +2 Digital Phase Power Design
    - TUF Components (Choke, Cap., & MOSFET; certified by military-standard)
    - ASUS DIGI+ Power Control Utility

    Ultimate COOL! Thermal Solution
    - TUF Thermal Armor
    - TUF Thermal Radar 2 with Thermistors
    - TUF ICe

    Safe & Stable! Guardian Angel
    "We Got Your Back!" Shape Force
    - TUF Fortifier
    - Dust Defenders with connector covers and back I/O dust filter
    - TUF ESD Guards 2
    Operating System Support Windows 8.1, 8, and 7 (32 & 64-bit)
    Back I/O Ports 2 x LAN (RJ-45) ports
    2 x USB 3.1 ports (teal blue)
    4 x USB 3.0 ports (blue)
    4 x USB 2.0 ports
    1 x Optical S/PDIF out
    5 x Audio jacks
    1 x USB BIOS Flashback Button
    Internal I/O Ports 1 x AAFP connector
    2 x USB 3.0 connectors support and additional 4 USB 3.0 ports (19-pin)
    2 x USB 2.0 connectors support an additional 4 USB 2.0 ports
    1 x SATA Express connector: gray, compatible with 2 x SATA 6.0 Gb/s ports
    1 x TPM header
    1 x COM port connector
    1 x CPU Fan connector (1 x 4-pin)
    1 x CPU OPT Fan connector (1 x 4-pin)
    1 x CPU fan with PWM control
    4 x Chassis Fan connectors (4 x 4-pin)
    5 x Assistant Fan connectors (5 x 4-pin)
    1 x S/PDIF out header
    1 x Thunderbolt header
    1 x 24-pin EATX Power connector
    1 x 8-pin ATX 12V Power connector
    1 x 4-pin ATX 12V Power connector
    1 x System panel (Q-Connector)
    1 x Chassis Intrusion connector
    1 x MemOK! button
    3 x Thermal sensor connectors
    1 x Clear CMOS jumper
    BIOS 128 Mb Flash ROM, UEFI AMI BIOS, PnP, DMI2.7, WfM2.0, SM BIOS 2.7, ACPI 5.0, Multi-language BIOS, ASUS EZ Flash 2, CrashFree BIOS 3, F11 EZ Tuning Wizard, F6 Qfan Control, F3 My Favorites, Quick Note, Last Modified log, F12 PrintScreen, F3 Shortcut functions and ASUS DRAM SPD (Serial Presence Detect) memory information
    Manageability WfM 2.0, DMI 2.7, WOL by PME, PXE
    Form Factor ATX Form Factor
    12.0 x 9.6" / 30.5 x 24.4 cm
    Packaging Info
    Package Weight 6.1 lb
    Box Dimensions (LxWxH) 13.7 x 10.7 x 3.3"

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