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GIGABYTE GA-AX370-Gaming K3 (rev. 1.0) AM4 AMD X370 SATA 6Gb/s USB 3.1 HDMI ATX AMD Motherboard

Ships from Israel. Most customers receive within 4-16 days.

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  • AMD X370
  • AMD Ryzen processor
  • AMD 7th Generation A-series/ Athlon processor
  • DDR4 3200(O.C.)/ 2933(O.C.)/ 2667*/ 2400/ 2133
  • * Support for higher than DDR4 2667 MHz may vary by CPU.

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

GA-AX370-Gaming K3

  • Supports AMD Ryzen™ & 7th Generation A-series / Athlon™ Processors
  • Dual Channel Non-ECC Unbuffered DDR4, 4 DIMMs
  • Turbo B-Clock, Built-in Advanced Performance Tuning IC
  • Fast 2 USB 3.1 Gen 2 with USB Type-A
  • 2-Way CrossFire™ Multi-Graphics Support with Dual Armor and Ultra Durable™ Design
  • Ultra-Fast PCIe Gen3 x4 M.2 with PCIe NVMe & SATA mode support
  • ALC 1220 120dB SNR HD Audio with Smart Headphone Amp
  • Killer™ E2500 Gaming Network
  • USB DAC-UP 2 Ports with Adjustable Voltage
  • High Quality Audio Capacitors and Audio Noise Guard with Ambient LED Trace Path Lighting
  • Smart Fan 5 features 6 Temperature Sensors and 5 Hybrid Fan Headers
  • GIGABYTE™ UEFI DualBIOS™
  • APP Center Including EasyTune™ and Cloud Station™ Utilities

  • * Quick AM4 Overclocking Guide.

Smart Fan 5

GA-AX370-Gaming K3

With Smart Fan 5 users can ensure that their gaming PC can maintain its performance while staying cool. Smart Fan 5 allows users to interchange their fan headers to reflect different thermal sensors at different locations on the motherboard. Not only that, with Smart Fan 5 more hybrid fan headers that support both PWM and Voltage mode fans have been introduced to make the motherboard more liquid cooling friendly.

GA-AX370-Gaming K3
  • GA-AX370-Gaming K3Fan pin header
  • GA-AX370-Gaming K3Internal Temperature sensor
    Different models have different number of fan pin headers and temperature sensors Smart Fan 5 function may vary by model
GA-AX370-Gaming K3
  • 5 Fan/Water Pump Connectors
  • 6 Temperature Sensors
  • All Fan Pin Headers Upgraded to Hybrid Fan Headers
  • Supports High Current Fans up to 24W (2Ax12V) with Over-Current Protection
  • Intuitive UI for Fan Control

All Hybrid Fan Pin Headers

  • All Hybrid Fan Headers can automatically detect the type of cooling device whether it be fan or pump with different PWM or Voltage mode.
  • Supports up to 2 amps with built-in overcurrent protection—a must for high-end high current fans.

New Smart Fan 5 Software

Choose from different modes, Quiet to Full Speed, to match your system usage scenario. For each fan or pump, you can use the intuitive fan curve to define trigger thresholds and corresponding fan speeds.

GA-AX370-Gaming K3

Interoperable Sensors and Fans
Each fan can be customized to operate at different speeds according to any defined temperature source input (except the CPU fan).

GA-AX370-Gaming K3

Fan Curve
Customize fan curves based on specific temperatures with the intuitive graphical UI.

Enhanced BIOS Interface

GA-AX370-Gaming K3

The enhanced BIOS interface also has the advanced features seen in the Smart Fan 5 UI, such as: the ability to set triggers based on different temperature sensors on the board, fan curve definition and the temperature interval setting, which can prevent fan rotation noise caused by sudden temperature change—all without having to load Windows.

GA-AX370-Gaming K3

Ambient LED


Ambient lights are now programmable, You can have them beat to the rhythm of the music you are listening to, or pulse at a soothing pace to create an atmosphere that enhances the environment of your game, movie or music.
GA-AX370-Gaming K3

ALC 1220 120dB SNR HD Audio with Smart Headphone Amp

Exceptional audio listening experience with 120dB SNR and support for DSD128 hardware decode. Smart Headphone Amp automatically adjusts volumes based on detected headphone impedance.
GA-AX370-Gaming K3

Smart Headphone Amp

Automatically detects impedance of your head-worn audio device, whether earbuds or high-end headphones to provide optimal audio dynamics—preventing issues such as low volume and distortion.

GA-AX370-Gaming K3

USB DAC-UP 2 Adjustable Voltage USB Port with Dedicated Power Design

GIGABYTE improves upon USB DAC-UP technologies with USB DAC-UP 2.
USB DAC-UP 2 continues to provide clean, isolated and low-noise power while adding the ability to compensate for voltage drop.
Virtual reality pioneers and gamers alike can rest assured that their expensive accessories and peripherals will not encounter connectivity or power deficiency issues with the GIGABYTE USB DAC-UP 2. With Gaming Gear drawing large amounts of power and having firm specification requirements USB DAC-UP 2 is up for the challenge.

GA-AX370-Gaming K3 GA-AX370-Gaming K3
GA-AX370-Gaming K3 GA-AX370-Gaming K3

Immersive VR Gaming Experience

GA-AX370-Gaming K3
  • VR requires more performance than Full HD graphics for a steady 90FPS or greater.
  • Only Gaming PCs can provide the best VR experience.
Recommended configuration for VR Gaming PC
  • Graphics Card: NVIDIA GTX 1050/AMD R9 290 or greater, Compatible HDMI 1.4 video output
  • CPU:AMD R yzen™ 7 series processor
  • Motherboard: GIGABYTE AMD X370 / B350 Motherboards
  • Memory: 8GB RAM or greater
  • USB Ports: 3x USB 3.0 ports plus 1x USB 2.0 port or greater
  • OS: Windows 10 64 bit or newer

Any copyrighted images or trademarks displayed are the property of their respective owners and are shown for reference purposes only. Reference herein does not constitute or imply affiliation or endorsement of Gigabyte products by the respective trademark owners.
VR Gaming photo for reference only.

Killer™ E2500 Gaming Network

Killer™ E2500 is a high-performance, adaptive gigabit Ethernet controller that offers better online gaming and media performance compared to standard solutions.

GA-AX370-Gaming K3
GA-AX370-Gaming K3 Give yourself the competitive edge: Optimize your network performance with the all-new killer Control Center
GA-AX370-Gaming K3
  1. Automatically detects and prioritizes apps and popular websites
  2. Show whick network interface your applications and websites are using
  3. Use Killer's network priority levels or customize your own
  4. Control bandwidth allocated to each application

Gaming Performance while Multitasking

GA-AX370-Gaming K3

Networking Performance

GA-AX370-Gaming K3

Fast Onboard Storage with NVMe PCIe Gen3 x4 110mm M.2 (Up to 32 Gb/s)

GIGABYTE's M.2 solution offers considerably faster storage performance and support for both PCIe and SATA interfaces for M.2 SSD devices.

GA-AX370-Gaming K3

Fast USB 3.1 Gen 2 Solution

The latest USB 3.1 Gen 2 offers staggering 10Gb/s transfer speeds. 2x faster than USB 3.1 Gen 1 along with backwards compatibility with existing USB devices.

GA-AX370-Gaming K3
GA-AX370-Gaming K3

Turbo B-Clock


Built-in Advanced Performance Tuning IC
Turbo B-Clock Tuning IC in the X370 series motherboards enable overclockers to have the ability to change their BCLK frequency to a desired value of their choice. With the new linear range adjustment option of the Tuning IC, ranges from 100MHz to 300MHz are now possible.
* Turbo B-Clock overclocking range may vary according to CPU capabilities.

Diagnostic LEDs

GA-AX370-Gaming K3

Hardware Troubleshooting at a Glance
Onboard LEDs controlled by the system BIOS indicate if a malfunction is occurring, allowing users to quickly diagnose which major component (CPU/DDR/VGA/HDD) is malfunctioning so they may take action promptly.

GA-AX370-Gaming K3

Industry Leading Ultra Durable™ PCIe Armor

The innovative one piece stainless steel shielding design from GIGABYTE reinforces the PCIe connectors to provide the extra strength required to support heavy graphics cards.

GA-AX370-Gaming K3

GIGABYTE Patented Double Locking Bracket

GA-AX370-Gaming K3

Dual Armor DIMM and PCIe Metal Shielding

Never worry about your heavy graphics card damaging your motherboard again. GIGABYTE's proprietary Ultra Durable PCIe Metal Shielding reinforces the PCIe connector to prevent slot damage due to heavy graphics card. The DIMM and PCIe metal shield also provides extra strength for when you forget to release the lock while replacing your component, adding a foolproof option which can save your PC's life.

Ultra Durable™ Memory Armor

GIGABYTE's exclusive one piece stainless steel shielding design prevents against PCB distortion and twist, plate bending, in addition to preventing any possible ESD interference.

GA-AX370-Gaming K3

Ultra Durable™ Memory Armor

AORUS’ exclusive one piece stainless steel shielding design prevents against PCB distortion and twist, plate bending, in addition to preventing any possible ESD interference.

GA-AX370-Gaming K3 GA-AX370-Gaming K3
GA-Z170X-UD3 Ultra
Anti-sulfur product: An alloy layer has been added to protect the silver layer and prevents the sulfurization reaction from taking place.
GA-Z170X-UD3 Ultra

Without the anti-sulfur layer: The electrode terminals lack a protective layer, which means that oxygen or other environmental elements can penetrate the Ni (Nickel) layer causing a sulfurization reaction and degrade the ability for the electrode to conduct electricity properly.

Anti-Sulfur Resistor Design

Sulfur compounds in the air can penetrate tiny onboard resistors creating chemical change and causing these resistors to open or short. If either of these occurs the motherboard will fail to function. By equipping resistors with an Anti-Sulfur Design AORUS gives Ultra Durable Motherboards a whole new meaning.

Refreshed BIOS Easy, Smart, and Friendly

The BIOS is essential for users during initial setup to allow for the most optimal settings. With a new GUI and easier to use functionalities, GIGABYTE has been able to reinvent the BIOS to give users a better experience while setting up their new system.
* Photos are for reference only. Product features may vary by model.

GA-Z170X-UD3 Ultra

GIGABYTE APP Center

GA-Z170X-UD3 Ultra

The GIGABYTE APP Center gives you easy access to a wealth of GIGABYTE apps that help you get the most from your GIGABYTE motherboard. Using a simple, unified user interface, GIGABYTE APP Center allows you to easily launch all GIGABYTE apps installed on your system, check related updates online, and download the latest apps, drivers, and BIOS.

EasyTune™

GIGABYTE's EasyTune™ is a simple and easy-to-use interface that allows users to fine-tune their system settings or adjust system and memory clocks and voltages in a Windows environment. With Smart Quick Boost, one click is all it takes to automatically overclock your system, giving an added performance boost when you need it the most.

GA-Z170X-UD3 Ultra
Overclocking to Boost Your Frame Rates

Get the highest levels of performance from your PC with easy-to-use GIGABYTE overclocking features.

System Information Viewer

GIGABYTE System Information Viewer is a central location that gives you access to your current system status. Monitor components such as the clocks and processor, set your preferred fan speed profile, create alerts when temperatures get too high or record your system’s behavior; these are the possibilities of the System Information Viewer.

GA-Z170X-UD3 Ultra

@BIOS

The GIGABYTE @BIOS app allows you to update your system’s BIOS from within Windows using a simple and slick graphical user interface. @BIOS can automatically download the latest version from the GIGABYTE servers or you can update your BIOS from a file on your computer. @BIOS also allows you to save your current BIOS to a file, recover your previous BIOS from an image and backup your BIOS to an image.

GA-Z170X-UD3 Ultra

3D OSD

3D OSD automatically detects and displays your system information during games, allowing you to easily get a hold of your system information without switching between screens.

GA-Z170X-UD3 Ultra

GIGABYTE Patented DualBIOS™ (UEFI) Design

GIGABYTE Ultra Durable™ motherboards feature GIGABYTE DualBIOS™, an exclusive technology from GIGABYTE that protects arguably one of your PC's most crucial components, the BIOS. GIGABYTE DualBIOS™ means that your motherboard has both a 'Main BIOS' and a 'Backup BIOS', protecting users from BIOS failure due to virus, hardware malfunction, improper OC settings or power failure during the update process.

GA-Z170X-UD3 Ultra

4K Ultra HD Support

GA-Z170X-UD3 Ultra

4K resolution is the next technological milestone in high-definition content delivery, utilizing approximately 4,000 pixels on the horizontal axis, more than four times today's standard HD pixel density. GIGABYTE motherboards provide native 4K support with integrated Intel® HD Graphics via HDMI.

HDMI™ - The Next Generation Multimedia Interface

GA-Z170X-UD3 Ultra

HDMI™ is a High-Definition Multimedia Interface which provides up to 5Gb/s video transmitting bandwidth and 8-channel high quality audio all through a single cable. Able to transmit superior, uncompressed digital video and audio, HDMI™ ensures the crispest rendering of digital content up to 1080p without the quality losses associated with analog interfaces and their digital-to-analog conversion. In addition, HDMI™ is compatible with HDCP (High-bandwidth Digital Content Protection), allowing the playback of Blu-ray/HD DVD and other protected media content.

XSplit Gamecaster + Broadcaster: Cast Your Game Anytime, Anywhere

Now set up your stage and share the greatest gaming moments with XSplit Gamecaster + Broadcaster! Fully optimized social media integration is ready for real-time chats—keeping you notified yet focused in the game. It takes just one click to stream your gameplay to Twitch. Host your game like a pro!
*Free 14 days XSplit Gamecaster + Broadcaster Premium License.

TriDef® SmartCam | Custom Stream Modding

To facilitate being the full streaming solution each GIGABYTE motherboard includes TriDef® SmartCam software, you are now able to remove backgrounds without the hassle of using a green screen. Through the SmartCam application you can now apply live filters, and fully control your background, not only while streaming, but also through other video applications such as Skype.
*Free 1 month TriDef® SmartCam License.


Learn more about the GIGABYTE GA-AX370-Gaming K3 (rev. 1.0)

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details
Ownership: more than 1 year
Verified Owner
1/ 5
DO NOT BUY GIGABYTE 1/26/2019 12:34:57 PM

Pros: Worked okay before the dual bios corrupted somehow.

Cons: I'll NEVER buy another GIGABYTE product after this board corrupted BOTH bios after reverting to a more stable version. I recently RMA'd it to GIGABYTE after approval. Few days ago I get a response that the "PCB is broken" and my board will be returned unrepaired to me. There was NO physical damage to that board whatsoever and it worked absolutely fine until a bad bios update did it in. I have sent a response to GIGABYTE and haven't heard back so I'm assuming I'm out of a $200 board and the $28 I spent to ship it.

Overall Review: Terrible RMA and craftsmanship. May change review if customer services addresses this.

Did you find this review helpful?
Ownership: more than 1 year
Verified Owner
1/ 5
After a year... 10/2/2018 2:18:23 AM

Pros: As always, Gigabyte was my first choice

Cons: After only one year, my computer doesnt start anymore

Overall Review: After only one year, my computer doesnt start anymore! Official diagnostic: ...dead.
For just to have a answer from Gigabyte (ticket support), the take 3 a 7 days (Gigabyte notes).
How many time i 'm gonna wait to have my pc!? ...oh my ''g_o_d''!!

0 out of 1 people found this review helpful. Did you?
Manufacturer Response:
Dear Customer,

Thank you for your comments. We apologize for your difficulty with your GIGABYTE product.
Please contact GIGABYTE RMA department if further assistance is needed about motherboard warranty service at 1-626-854-9338 opt. 4 Monday through Friday from 08:30 ~ 17:30 PST.

GIGABYTE VIP Support Team
Anonymous
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Forget Other Reviews 5/20/2018 2:35:31 PM

Pros: Listen. This is a fantastic motherboard for what it is. It does all it advertises. Everyone bashing it seems to not have any experience using computers on a software side. Fantastic board.

Cons: The ONLY con is that you are gonna need HDMI for your first boot unless you already got the new bios because there's no DP support out of box.

Overall Review: Just have the latest bios and you'll be fine. If you can't download a bios yourself then don't buy it. Or do buy it and complain like everyone else. Don't deal with computers if you're going to complain about troubleshooting, like wow.

3 out of 3 people found this review helpful. Did you?
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Good board 1/5/2018 3:54:03 PM

Pros: Works great for what i needed it for. I would go with asus i have that was well and bios are way better plus has the rgb pins for the wrath cooler.

Cons: Na

Did you find this review helpful?
Anonymous
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Beautiful and well laid out 12/23/2017 9:48:37 PM

Pros: We have 3 of these running in the house. Loving the red color effects all over it. Using with the Geforce GTX 1060 and the AMD Ryzen 7, we play Blizzard games at max graphic settings and no complaints. Perfect all the way. See Con's for details of why I initially thought our first installation of this item was DOA, but wasn't.

Cons: Having purchased 3 (each kid has a computer here) our first installation of this mobo made me think it was DOA. Nothing would light up, spin or anything, just dead. I came back to the reviews to find any clues and saw one reviewer mention the same issue, so I double checked the 24pin connector to make sure it was seated properly... Even when it snaps into place it's not really, so you have to make sure all the wires are making contact by (gently) pushing each wire in down into the mobo. It is DEFINITELY an issue with my 850 power supply cords and not the mobo itself, but I wanted to back up the other reviewer's suggestion because it saved me a potential RMA. They all work great. Just check your connections!

3 out of 3 people found this review helpful. Did you?
4/ 5
easy set up but minor issue 12/9/2017 4:04:06 AM

Pros: easy setup. plenty of options. red led lightning (not a fan of red, but it can be turned off thankfully), plenty of fan connections

Cons: cmos does not save clock after cold boot up. I replaced cmos battery twice with new ones and made zero difference. the clock would just pick a new random time and date. also. every few reboots I lost access to the ssd boot drive. it would fully disappear from bios. at first I was thinking it was a power issue, but since the bluray and other hdd didn't lose access, i decided it was related to cmos issue. i ended up contacting gigabyte on it and after several days of waiting I received a canned response to RMA it. it is less than 30 days old. faster to get a replacement from newegg, esp since i cant refund this mb

Overall Review: cannot recommend it unless it had a refund policy attached to it. i must of misread it otherwise i never would of purchased it.
running windows 10 and even with auto clock set on, it does not fix the time, so i dunno.

1 out of 1 people found this review helpful. Did you?
3/ 5
Good Board but doesn't belong to the category 12/5/2017 8:18:59 AM

Pros: -Easy to set up. No issues
-RGB is great for a red and black theme.

Cons: -This is a x370 board but it doesn't do SLI or crossfire. Which makes it a B350 board. Extra money but not extra juice.
-Overclocking or even a regular boost is a nightmare. when idle it downclocks to 2.2 GHz with 0.8v (standard behaviour) but when the clock pushed it goes to 3.5 GHz at 1.3685v. AMD tells to not go beyond 1.35v but this is pushing higher voltage even at lower speeds. Manually, I can reach 3.92GHz at 1.36v.

Overall Review: I am beginner to overclocking in the Ryzen game. I have the latest F5 bios. There are issues with 1700x and I haven't reached the memory overclock section yet. Also, there own guide to overclock is way different than the actual bios. I want to underclock this board but the voltage section is very different as online tutorials and Gigabyte's own site. I am not sure why they are pushing such voltages unless there is issue with LLC.

I would not recommend this based on the price. If this a closer to B350 prices then it's a great Board since that what it is, a B350 Board.

1 out of 1 people found this review helpful. Did you?
Ownership: 1 week to 1 month
Verified Owner
5/ 5
Drastic Improvement from my last Motherboard ! 11/26/2017 3:31:43 PM

Pros: Before i bought this i had asrock board and had a lot of problems with it. Did some research and found this board for my new build and decided to go my gut and buy it (my first gigabyte product). Installation was easy, comes with a cpu cooler mount already pre-installed if it doesn't fit your cooler it is very easy to screw off. Very good looking, red LED lights are amazing. Easy to download updates to BIOS from app-center software, also you can download a ton of customization apps for overclocking and such for optimization. You can also purchase a extended warranty for a good price. Would highly recommend this board to anyone. Very good price for a quality product.

Cons: none that i have experienced so far

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