GIGABYTE Z790 UD AC LGA 1700 ATX Motherboard, Support Intel Core 14th/13th/12th Gen, DDR5, 16+1+1 Power Phase, 3X M.2, PCIe 5.0, USB-C 3.2, Dual Band WiFi, 2.5GbE, EZ-Latch, Q-Flash, RGB Fusion
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Arrives
Monday, Jul 20
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Size: Z790
Style: ATX|WIFI5
Features
- Intel LGA 1700 Socket: Supports Intel Core 14th/13th/12th Gen processors
- DDR5 Compatible: Dual Channel DDR5, 4 DIMMs
- Sturdy Power Design: 16+1+1 Twin Hybrid Phases Digital Power Design with 60A DrMOS
- Comprehensive Thermal Design: Fully Covered MOSFET Heatsinks, M.2 Thermal Guard, Ultra Durable Armor, 6-layer PCB
- Next Gen Connectivity: PCIe 5.0, Triple NVMe PCIe 4.0 x4 M.2, SuperSpeed USB 3.2 Gen 2x2 Type-C
Description
Ascend the Throne of Gaming with the Z790 UD AC. The Z790UD AC supports 13th and 12th Gen Intel Core Processors unparalleled performance. Unlock your gaming potential with GIGABYTE Z790 Motherboards. GIGABYTE Z790 motherboards come with upgraded power design, high grade storage standards, and outstanding connectivity that enables you to optimize your performance. Claim what is yours.
Brand: GIGABYTE
CPU Socket: LGA 1700
Compatible Devices: 13th Gen Intel Core, 12th Core
RAM Memory Technology: DDR5
Compatible Processors: 12th Generation Intel Core, 13th Generation Intel Core, 14th Generation Intel Core
Chipset Type: Intel Z790
Memory Clock Speed: 4400 MHz
Platform: Windows 11
Model Name: Z790 UD AC
CPU Model: Core i7
Processor Socket: LGA 1700
Compatible Devices: 13th Gen Intel Core, 12th Core
RAM Memory Technology: DDR5
Compatible Processors: 12th Generation Intel Core, 13th Generation Intel Core, 14th Generation Intel Core
Chipset Type: Intel Z790
Memory Clock Speed: 4400 MHz
Platform: Windows 11
CPU Model: Core i7
Memory Storage Capacity: 128 GB
Ram Memory Maximum Size: 192 GB
Main Power Connector Type: 24-Pin
Graphics Card Interface: PCI Express
Memory Slots Available: 4
Number of Ports: 2
S/PDIF Connector Type: Optical
System Bus Standard Supported: SATA 3
Total SATA Ports: 6
USB 2.0: 2
Total Usb Ports: 2
Number of Ethernet Ports: 1
Total Number of HDMI Ports: 1
Total PCIe Ports: 3
Brand: GIGABYTE
Model Name: Z790 UD AC
Model Number: Z790 UD AC
Manufacturer: GIGABYTE
UPC: 889523034460
Mfr Part Number: Z790 UD AC
Unit Count: 1.0 Count
Item Weight: 2.2 Pounds
Warranty Description: 3 year manufacturer
Item Dimensions L x W x H: 10.62"L x 3.14"W x 13.18"H
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Jul 20
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: Z790
Style: ATX|WIFI5
This Gigabyte Z790 UD AC version motherboard with 6 PCI-E slots has ~200+ reviews, while the Gigabyte Z790 UD AX version with one less PCI-E slot has only ~65 reviews. Both motherboards apparently released at the same time, but with AX only have a more recent wireless chipset. I would say, most people desire more PCI(-E) slots than anything else or any other feature, as quite obviously, motherboard manufacturers likely dislike motherboards being easily upgraded. I found, almost all motherboards on the market to date using-up all of the numerous PCI-E port/lanes with mostly undesirable hardware features, with most features commonly being out-dated within a year or so. Although the Gigabyte UD AC version has the extra PCI-E slot near the graphics 16x's slot and mostly being covered/unused by the primary add-in graphics card, if ever falling back to CPU integrated graphics, the port next to the primary 16x's slot would then be accessible. The extra slot would likely be usable either prior to somebody purchasing a graphics card, or later within the board's lifetime. One significant downside, most of the PCI-E slots are only 1x's speed. PROS 1) Motherboard provides several extra PCI-E slots, except minus the PCI-E slot #2 if using a typical large size discrete graphics card within slot #1. CONS 1) Very tight or little room for plugging in cables into the SATA side ports! 2) Motherboard pins are likely a larger diameter than typical motherboard pins, more durable however plugging in connectors will be very difficult or tight fitting. Using a thick coating of De-Oxit oil helped a little with tight fitting adapters/plugs. 3) Most CPUs of this period lack CSM integrated graphics, only EFI/UEFI graphics, so the BIOS/EFI CSM option will constantly revert to disabled until adding a discrete PCI-E graphics card with CSM/EFI capability. 4) Several other Gigabyte AMI BIOS/EFI options tend to be elusive and mysteriously toggling on and off. The Gigabyte AMI BIOS/EFI has a really dumb upfront menu called "Tweak" menu. No options for disabling NVME storage devices, for hiding while installing operating systems on other storage drives. 5) BIG PROBLEM, the onboard motherboard Ethernet RTL8125 is loosing/dropping/reverting it's MAC address to 00:00:00:00:00:00 after random periods of linked network usage and occurring upon warm reboots! Gigabyte support claims there's nothing wrong, returned the board and had the RTL8125 chip replaced, upon return Support claimed documentation did not cite chip replacement! And continues denying a problem. Regardless, just purchased a separate/discrete (Intel 2.5Gbps) Ethernet adapter and the unit is performing excellently about two months later, and as long as the onboard RTL8125 is not physically connected to the Ethernet network via cable, MAC address remains assigned/default/stable. Loss of RTL8125 MAC address could be due to non-standard TCP/IP packets, or something with the firmware or drivers, occurred both using explicitly either Linux and Windows though. Again, regardless, likely happier with separate Ethernet card, due to the amount of network usage here. Workaround, pull the electrical power cord, then cold boot, RTL8125 MAC address returns to original OEM address. Likely not heat related, has a 120mm fan pointed directly at the RTL8125 chip, so heat is likely ruled-out completely, and laser thermometer reads chip temperature well within OEM specified operational limits. Seems the manufacturer is replacing the chips upon RMA, without documenting, however I strongly believe this is firmware and/or possibly upper level driver software created, due to a recent driver update release, possibly including a firmware change or update. WITHOUT A MAC ADDRESS, WakeonLAN will require using 00:00:00:00:00:00 address for broadcast wake-up packet, and is likely a minor security flaw. Usually I see these errors, within my past 20 years with Intel, with Ethernet hardware failing, sometimes they limp along like this, but really believe, so far, this is software induced due to multiple chip model numbers being affected. INSTALLING WINDOWS 7 FOR LICENSE MIGRATION 1) If the CPU you're using does not have CSM/BIOS integrated graphics/display (eg. Intel Core i7-12700K does not have CSM inigrated graphics, only EFI graphics!), will need an add-in PCI-E CSM/BIOS compatible graphics/display card. And to be able to enable the BIOS/EFI CSM boot option/capabilty, will also need a more recent video card capable of UEFI/CSM boot capabilities, as the Windows 7 installation may hang on a more recent CSM/UEFI graphics/displays. For example, I have two discrete PCI-E graphics/display add-in cards. One being EVGA nVidia GTX 670 (used on Windows XP and Windows 7) and the other a more recent Intel Arc 750 for Windows 10 and later. The Intel Arc would allow viewing the BIOS/EFI settings and enabling CSM boot options, but would either hang or freeze during the initial Windows 7 boot CD install. (eg. Frozen or endless pulsating color Windows icon.) Installed my old nVidia GTX 670 PCI-E graphics card with BIOS/EFI CSM still activated, I was able to boot further into the Windows install CD process. NOTE: Turn-off CPU integrated graphics, else graphics/display will be corrupted/blurry and the Windows 7 not start at all! 2) Once you've rebooted approximately a million times, finally getting the right incantation for enabling CSM booting and Windows 7 CD-ROM is also now booting, will need a PS/2 mouse (or keyboard), as Windows 7 install CD (and operating system) will deactivate/drop USB keyboard/mouse hardware due to incompatible motherboard USB port/hub BIOS/EFI drivers. Having a PS/2 plugged in also averts the long undesirable boot delay! Windows 7 install CD should now be starting along with the on-screen keyboard if using a PS/2 mouse. ac 3) After installing Windows 7, the following reboot(s) the motherboard BIOS/EFI may not automatically find the boot partition on the drive, and I happened to have The rEFInd Boot Manager installed on one of my USB drives and using BIOS/EFI F12 key/boot options during BIOS/EFI starting, the rEFInd boot manager will readily detect the Windows 7 100MB FAT partition, and allow booting the installed Windows 7 installation. 4) Once Windows 7 install has booted and running, first install KB4474419 for fixing SHA1/SHA2 driver signing, and subsequently download the Windows 7 RTL8125 2.5GB ethernet network adapter driver from the RealTek website. I happened to also deactivate driver signing via bcdedit and gpedit, but likely not required. 5) Internet should automatically start working using DHCP configuration, with subsequently being able to readily activate your Windows 7 operating system. Should also be able to upgrade over the Windows 7 install, with probably more preferably using an older version of Windows 10 install CDs. However, still resulted with no Windows 10 license error codes. Possibly I first need to upgrade to Windows 8, using the included Windows 8 key only for re-provisioning the motherboard/licensing. But it is very doubtful. WINDOWS 10/11 UPGRADE LEGALITIES FUNNY. I have a valid Windows 7 Professional RETAIL license purchased (just prior to microsoft.com store being standardized, but purchased from Microsoft) and used on a Gigabyte Z77UP7 motherboard, now after successfully installing and properly activating Windows 7 on my Gigabyte Z790 UD motherboard, subsequently performing an upgrade over Windows 7 with an older Windows 10 v1903 CD, I still get an error during activation, 0xC004F213! Subsequent license key changes result in my usual 0x803fa067 hex error code. Likely something about not having a license! This is bate and switch! There is a scenario where the official Windows 7 license is migrated to a digital license being physically attached to the motherboard, making installing Windows 10/11 with the digital license supposedly not possible. However, the official Windows 7 retail license should still be transferable to other motherboards. My first error was another hex error, associated with not having a license, now after all this, I get another different hex error code. After looking over my notes, I see possibly skipped first upgrading to Windows 8 and using the Window 8 license key only for the license/motherboard re-provisioning. I doubt upgrading first with Windows 8 will resolve this, as I think Microsoft intentionally forcing all official retail licenses to be attached to the motherboard, regardless of whether or not the retail versions boost of such feature. Nothing but headaches with Windows, and Microsoft wants another $100-200 for a newer key. (Always been really funny how users owning multiple license keys, cannot easily manage or keep track of their keys.)
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Reviewed in the United States on January 4, 2025 by Roger
Size: Z790
Style: ATX|WIFI5
The Gigabyte Z790 UD AC motherboard is a testament to Gigabyte’s commitment to quality and innovation. As a tech enthusiast, I was eager to test this motherboard in my latest PC build, and it has not disappointed. First and foremost, the build quality of the Z790 UD AC is impressive. The board feels sturdy and well-crafted, with a clean and aesthetically pleasing design. The layout is thoughtfully arranged, providing easy access to all the necessary ports and slots, which is a boon for both novice and experienced builders. One of the standout features of this motherboard is its support for the latest Intel 12th and 13th Gen processors. This compatibility ensures that users can leverage the latest advancements in CPU technology, providing a future-proof platform for high-performance computing. The Z790 UD AC also shines in terms of connectivity. It comes equipped with Wi-Fi 6 and Bluetooth 5.2, offering fast and reliable wireless connections. Additionally, the board boasts a plethora of USB ports, including USB 3.2 Gen 2x2 Type-C, ensuring ample connectivity options for all your peripherals. For storage, the motherboard offers multiple M.2 slots with PCIe 4.0 support, allowing for lightning-fast data transfer speeds and ample room for high-speed SSDs. This feature is particularly appealing for gamers and content creators who require quick access to large files. The motherboard’s audio capabilities are also noteworthy. The Realtek ALC897 codec provides crisp and clear audio, enhancing the gaming and multimedia experience. Whether you’re gaming, watching movies, or listening to music, the sound quality is immersive and satisfying. Overclocking potential is another area where the Z790 UD AC excels. The board features robust power delivery and comprehensive cooling solutions, including Smart Fan 6 technology, which allows for fine-tuned control over fan speeds and temperatures. This ensures stable performance even under heavy loads, making it an excellent choice for enthusiasts looking to push their systems to the limit. In conclusion, the Gigabyte Z790 UD AC motherboard is a solid choice for anyone looking to build a high-performance PC. Its combination of build quality, connectivity options, and support for the latest technologies make it a versatile and future-proof platform. Whether you’re a gamer, content creator, or just looking for a reliable motherboard for everyday computing, the Z790 UD AC is sure to meet and exceed your expectations.
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Reviewed in the United States on March 24, 2024 by Tanner Postin
Size: Z790
Style: ATX|WIFI5
El producto llegó en perfectas condiciones. Tuve que hacer un Flash Update de la Bios para trabajar con la serie de mi procesador, el cual me llevó mucho tiempo porque tiene una maña muy rebuscada. Más allá de eso, más que conforme con la compra.
Reviewed in the United States on May 22, 2026 by Sergio Gabriel Acevedo
Size: Z790
Style: ATX|WIFI5
I bought this motherboard in January 2025 and installed in my home desktop. It's a pretty solid rig, I just needed to refresh the internals with a new CPU I5-13600. I don't overclock, there is a very decent GPU (Radeon 7900XT) and 3 large fans on the box to keep plenty of air circulating. I'm no newbie as I've built my own PCs for the last 30 years. The rig has been quite good until early this month (May 2026). Then some issue started to appear: a couple of times not posting, some alerts on the GPU side, even some GPU crashing on occasions. In matter of days, the graphics were all the time from the onboard CPU, nothing from my Radeon graphic card. After some digging, I switched the GPU card to another slot and it worked. After buttoning up my box, the Ethernet port would not function anymore. I now can only use the Wifi to be online. TLDR: After barely 15 months, this motherboard lost the PCIE slot for graphic card and its Ethernet port. It seems those cards are not reliable and quite a few issues happened for a bunch of buyers. It's a cheap motherboard but there are some better ones available for about the same $$$. Just avoid and see elsewhere.
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Reviewed in the United States on May 21, 2026 by Patrick_B
Size: Z790
Style: ATX|WIFI5
High quality, reliable ATX computer motherboard in a trusted brand. I ordered this to replace/upgrade a second computer I maintain at my house for various automation/networking applications. The motherboard I was replacing was Gigabyte brand as well and have installed it in 2012. It was still working well but being about 12 years old it seemed like a good time for an upgrade. I have build many computers using Gigabyte motherboards over the past 20 years and will continue to do so. I have always had great luck with Gigabyte and have found them to include great features and overall support. Will continue to buy Gigabyte brand motherboards and components and found this board to be of great value.
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Reviewed in the United States on February 17, 2024 by Sparky770
Size: Z790
Style: ATX|WIFI5
Overall I can't complain too much. Once everything is setup, everything runs perfectly fine. System is stable and fully functional but those boot times really are no joke. 10+ seconds to even reach the post screen and then add another 5-10~ seconds in the splash screen before your OS finally goes through the process of booting up. Maybe 30~ seconds total but I haven't really timed it. Waking from sleep is also a bit of an issue as well, as other reviews have mentioned. At least 15+ seconds from when you hit a key to wake your PC up, until you actually see the windows login screen. I also seem to have this weird issue where my mouse will turn itself on and off again a few times, as if it's getting connected and disconnected from the usb port, before finally latching on to the connection. This only happens when waking up my PC from sleep (and it doesn't happen every single sleep/wake cycle either, just sometimes), absolutely no USB issues of any kind outside that, but you can add maybe another 5-10 seconds on top of the already slow wake up process before you finally have full functionality of your computer. These things are very annoying of course but everything else about the board is so good that I'm willing to look past it. If snappy, fast startups are a feature that you absolutely need to have on your build then you definitely need to look elsewhere but if you're willing to put up with this motherboard's weird quirks, it's an incredible deal.
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Reviewed in the United States on March 28, 2023 by JS
Size: Z790
Style: ATX|WIFI5
Wow!!! Upgraded from a b650. I also upgraded my PSU. This board can handle all of the over locking! From 7200mhz ram to ssd 6000gb speeds!
Reviewed in the United States on April 13, 2026 by TheShoun
Size: Z790
Style: ATX|WIFI5
This is a good budget motherboard for Intel's 13th Gen series of CPUs. I've paired it with a 13900K and have had 0 problems. Runs cool and honestly is an inexpensive version of Gigabyte's Aorus Master boards. The one thing I'd point out is that the BIOS Firmware is horribly out of date. Installing an RTX 4080 FE on this board was fine for the most part until the first boot where no picture was shown. After talking to Nvidia support, checking cables, etc. I noticed on Gigabyte's site of an update that addressed this issue (though for a different card, the 3060). Updating the BIOS to this version, however, did help and since then, I've had no issues with this card. Great overall MB but again, if you're installing an RTX 4080/4090, do yourself a favor and install the latest BIOS update from Gigabyte so you save yourself a few hours of troubleshooting.
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Reviewed in the United States on March 14, 2023 by VB