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Item#: N82E16813157543

ASRock X99 Extreme4 LGA 2011-v3 Intel X99 SATA 6Gb/s USB 3.0 ATX Intel Motherboard

Ships from United States.

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  • Intel X99
  • Core i7 (LGA2011-v3)
  • DDR4 3000+(OC) / 2933+(OC) / 2800(OC) / 2400(OC) / 2133 / 1866 / 1600 / 1333 / 1066

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

X99 Extreme4 Motherboard

  • ASRock Super Alloy
    - XXL Aluminum Alloy Heatsink
    - Premium 60A Power Choke
    - Premium Memory Alloy Choke
    - Ultra Dual-N MOSFET (UDM)
    - Nichicon 12K Platinum Caps
    - Sapphire Black PCB
  • Supports Intel® Core™ i7 and Xeon® 18-Core Processors Family for the LGA 2011-3 Socket
  • Digi Power, 12 Power Phase design
  • Supports Quad Channel DDR4 3000+(OC) memory with max. capacity up to 128GB
  • Supports ECC*, RDIMM Memory (*ECC is supported with Intel® Xeon® processors)
  • 3 PCIe 3.0 x16, 1 PCIe 2.0 x16, 1 PCIe 2.0 x1
  • Supports AMD 3-Way CrossFireX™ and NVIDIA® 3-Way SLI™
  • 7.1-Ch. HD Audio with Content Protection (Realtek ALC1150 Audio Codec), Supports Purity Sound™ 2 & DTS Connect
  • Intel® Gigabit LAN
  • 10 SATA3, 1 eSATA, 1 Ultra M.2 (PCIe Gen3 x4 & SATA3)
  • 6 USB 3.0 (2 Front, 4 Rear), 8 USB 2.0 (4 Front, 4 Back)
  • 1 COM Port Header, 1 Thunderbolt™ AIC Connector
  • Supports ASRock HDD Saver Technology, Full Spike Protection, APP Shop
X99 XXL Aluminum Alloy Heatsink Design

The extra large aluminum alloy heatsinks take away heat dramatically. As the MOSFETs and chipsets areas are well covered by these heatsinks to protect them from overheating, MOSFET and chipsets can perform with lower temperature, and your motherboard and system will be more stable and reliable.
Premium 60A Power Choke

Compared to traditional chokes, ASRock's new-gen premium power chokes effectively increase up to three times better saturation current, providing enhanced and improved Vcore voltage to the motherboard.
Premium Memory Alloy Choke

Specially designed for memory power delivery, the new-gen alloy chokes feature a highly magnetic and heat resistant design, thus delivering more stable and reliable power to the motherboard.
Ultra Dual-N MOSFET for Memory Power

Combining two silicon dies into one MOSFET, Ultra Dual-N MOSFET provides larger die area and lower Rds(on), so the power supply for the CPU Vcore is more efficient.
Nichicon 12K Platinum Caps

Supreme 12K platinum capacitors with lifespans of at least 12,000 hours. Compared to other counterparts on high-end motherboards that merely have lifespans of around 10,000 hours, ASRock applied Nichicon 12K Platinum Caps that offer 20% longer lifespans and provide more stability and reliability.
*Tested under industry standard 105 degree Celsius ambient temperature.
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Sapphire Black PCB

Pure black PCB appearance. The new Sapphire Black PCB represents rock-solid quality and gives the motherboard a more mysterious touch.
X99 Ultra M.2 (PCIe Gen3 x4)

The World's Fastest M.2 Socket - PCIe Gen3 x4

The onboard M.2 socket is a new interface for connecting Next Generation Form Factor (NGFF) SSDs or other devices. ASRock is the first in the world to implement PCIe Gen3 x4 M.2 socket on motherboards. The ultimate Ultra M.2 interface pushes the speed up to 32Gbps which is six times faster compared to other M.2 Gen2 x1 solutions that are limited to 5Gbps.
X99X99 X99 X99
128GB Memory Support

Designed to meet the maximum computing power system, this motherboard adopts Quad-Channel 8 DDR4 DIMM slots. Each slot supports 16GB memory module, thus delivering a maximum capacity up to 128GB.
Supports DDR4 ECC / RDIMM Memory Modules

This motherboard is capable of supporting DDR4 ECC and RDIMM (Registered DIMM) memory modules which deliver server-grade performance and durability for high-powered computing systems.
*ECC is supported with Intel® Xeon® processors.
X99 15µ Gold Contact in DIMM & VGA PCIe Slot

Unlike other motherboards come with only 3 - 4µ gold contact, this motherboard is coated with 15µ gold contact in the DRAM slots and PCIe x16 slot, thus providing better anti-oxidation protection than usual.
12 Power Phase Design

Designed with a 12 Power Phase design, this motherboard features sturdy components and completely smooth power delivery to the CPU. Plus, it offers unmatched overclocking capabilities and enhanced performance with the lowest temperature for advanced gamers as well.
Digi Power

More Precise, More Efficient
Unlike traditional motherboards that use analog power, this motherboard uses a next generation digital PWM (Pulse-Width Modulation) design, which provides CPU Vcore voltage more efficiently and smoothly, so that the stability and lifespan of the motherboard is greatly enhanced.
Purity Sound™ 2

Purity Sound™ 2 includes 7.1-Ch. HD audio with Realtek ALC1150 audio codec, 115dB SNR DAC with Differential Amplifier, TI® NE5532 Premium Headset Amplifier, cap less Direct Drive technology, EMI shielding cover, PCB isolate shielding and DTS Connect. As Nichicon audio capacitors are what every audiophile has been longing for on a PC, ASRock applied these high quality capacitors for Purity Sound™ 2.
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This frequency response chart was tested with 32 ohm normal headphones. It indicates how traditional audio solution's frequency response drops drastically at low frequencies. Compared to traditional audio solution's (2.0dB) at 20 Hz bass low freq area, Purity Sound™ 2 still maintains its frequency response (0.4dB) and provides better bass with the TI® NE5532 amplifier, improving the bass quality by 20% (1.6dB)!

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ASRock APP Shop

ASRock APP Shop is designed for your convenience. We provide various apps and support software for users to download. You can easily optimize your system and keep your motherboard up to date with ASRock APP Shop.

ASRock APP Shop is the only all-in-one software package that delivers you the most practical PC apps and tools, in one integrated interface – from ASRock exclusive tools to the most update-to-date options of the latest technology.


Orbweb ME:

Get Connected with ASRock Cloud Anytime, Anywhere


App Charger:

Fast Charge & Charge Anytime


Google Chrome:

Better Browsing with Google Options


XFast LAN:

Your Smartest Internet Access Manager

Server-Grade Intel® Dual LAN

Both of the Intel® Ethernet Controller I210T are low-power gigabit network controllers that can be used for server and workstation system configurations.
HDD Saver Technology

There's a dedicated 4-pin HDD Saver Connector placed near the SATA ports. By connecting it to the HDDs, you can shut down or turn on the HDDs via software when needed. HDD Saver Technology secures more privacy, saves more energy, and extends HDD life.
Once you shut down your connected HDDs, they will disappear from your file explorer screen. Therefore other people won't even know these HDDs existed, nor can they access your private data stored on these HDDs. You can protect your privacy easily.
Many HDDs are used for storing data only, while ODD is not frequently used. However, these occupied HDDs/ODD still consume a lot of energy and increase the internal temperature of the chassis when idle. This eco-friendly design allows you to shut down those devices for saving more energy. You can turn them back on anytime you need them.

Switch on or off the connected HDD/ODD whenever you want! Save more energy!
X99 It is always annoying when your HDDs fail, not to mention the loss of your precious photos, videos, data, etc. By avoiding switching your HDDs on and off frequently, you can protect them from any potential damage and prolong your HDDs' life.
Thunderbolt™ 2 Ready

This motherboard has been certified with an ASUS ThunderboltEX II and is compatible with other third party Thunderbolt™ devices as well. With the Thunderbolt™ 2 Add-in-Card, it may support up to six daisy chained Thunderbolt™ devices up to 20Gbps.
X99 ASRock Thunderbolt™ Technology Expert

  • Up to 20Gbps: The fastest connection to your PC
  • Bi-directional data transfer with PCI Express and DisplayPort
  • Daisy Chain: Up to 6 Thunderbolt™ devices
  • Large, high-resolution displays (Supports 4K)
FM2A78 Pro3+
Some sensitive digital components on the motherboard are vulnerable to power surges, the excessive current may cause your system to malfunction immediately. ASRock Full Spike Protection includes various technologies to prevent your motherboard's components from being damaged by these unexpected voltage spikes.
FM2A78 Pro3+ Surge Protection

Protects the motherboard from excessive surges from the power supply unit.
FM2A78 Pro3+
FM2A78 Pro3+ FM2A78 Pro3+ Lightning Protection

The onboard LAN chip is protected against sudden and violent voltage spikes caused by lightning.
FM2A78 Pro3+ FM2A78 Pro3+ ESD Protection

USB : Added ICs to protect the onboard USB ports from electrostatic discharges.
LAN: Prevents the onboard LAN from being damaged by electrostatic discharges.
MOSFETs: MOSFETs in critical areas use a special design for protecting them from electrostatic discharge during the installation process.
FM2A78 Pro3+ FM2A78 Pro3+

A-Tuning is ASRock's multi purpose software suite with a new interface, more new features and improved utilities, including XFast RAM and a whole lot more.


In a world where time is money, why waste precious time everyday typing usernames to log in to Windows? Why should we even bother memorizing those foot long passwords? Nobody has time for that! Just plug in the USB Key and let your computer log in to windows automatically!


Restart to UEFI

Fast Boot is so fast that it is impossible for users to enter the UEFI setup utility during POST. Therefore, ASRock Restart to UEFI technology allows users to easily enter the UEFI setup utility automatically when turning on the PC next time. It is designed for those who constantly need to enter the UEFI setup utility.


ASRock OMG (Online Management Guard)

Limit and control your children's time spent on the Internet. ASRock OMG (Online Management Guard) technology allows you to establish an Internet curfew or restrict Internet access at specified times. Administrators are able to schedule the starting and ending hours of Internet access granted to other users.


UEFI Tech Service

Contact ASRock Tech Service by sending a support request from the UEFI setup utility if you are having trouble with your personal computer. Users may try to choose the category of the issue they have encountered, describe the problem in detail, and then attach an optional picture or log file for our technical support team.

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Dampness kills most electronics, so it's a better idea to keep your personal computer dry. Now users may prevent motherboard damages due to dampness by enabling Dehumidifier. When it is enabled, the computer will power on automatically to dehumidify the system after entering S4/S5 state.


Easy Driver Installer

For users that don't have an optical disk drive to install the drivers from our support CD, Easy Driver Installer is a handy tool in the UEFI that installs the LAN driver to your system via an USB storage device, then downloads and installs the other required drivers automatically through the Internet. Completely no CD or optical disk drive required!

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ASRock XFast RAM fully utilizes the memory space that cannot be used under Windows® 32-bit operating systems. It shortens the loading time of previously visited websites, making web surfing faster than ever. And it also boosts the speed of Adobe Photoshop five times faster. Another advantage of ASRock XFast RAM is that it reduces the frequency of accessing your SSDs or HDDs in order to extend their lifespan.

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When Internet Explorer loads very slowly for no clear reason, it's usually due to inefficient management. ASRock is rolling out super efficient web management in the motherboard industry. XFast LAN is a convenient tool that controls Internet related applications easily and efficiently. Creating a perfect Internet environment, all you need is a smart manager. ASRock XFast LAN allows you to enjoy more speed, easier multitasking, enhanced multimedia experience, and more – all without weighing you down.


Tired of listening to crappy audio that makes your ears bleed? Experience high-quality surround sound from your personal computer. DTS Connect is a blanket name for a two-part system, including DTS Interactive and DTS Neo:PC, it is used on the computer platform only, in order to convert PC audio into the DTS format.

DTS, DTS-HD, the Symbol, & DTS or DTS-HD and the Symbol together are registered trademarks of DTS, Inc. © DTS, Inc. All Rights Reserved.

Learn more about the ASRock X99 Extreme4

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy.
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