X99 WS

Server grade X99 for making the most out of DDR4 ECC and RDIMMs

This motherboard is equipped with all switching power design, one set for transferring 3.3V voltage to 1.5V, the other one for 3.3V to 1.8V, delivering improved power efficiency compared to linear design. The ultra compact power design features server-grade high efficient power delivery with less energy consumption, thus offering better power efficiency to the system.

Both of the Intel^® Ethernet Controller I217LM and I210AT are low-power gigabit network controllers that can be used for server and workstation system configurations.

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.

The back of motherboard is mounted with ultra short screws and the length of the CPU back plate is less than 3mm, allowing this board to fit in server-grade 1U chassis.

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.

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.

This motherboard comes with more than enough PCIe slots that supports multi-GPU 4-Way SLI and 4-Way CrossFireX at x8/x8/x8/x8 mode.

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 32Gb/s which is 6X faster compared to other M.2 Gen2 x1 solutions that are limited to 5Gb/s.

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.

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)!

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.

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 20 Gbps

● Up to 20 Gbps : 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)


*Thunderbolt™AIC is not included in the motherboard package. Product images for reference only.
**Please update to the latest BIOS to support Thunderbolt™ technology.
***The list of supported Thunderbolt™ devices can be found here.

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.

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!

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.

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.

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.

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.

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!

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 5 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.

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.