Z790 D AC - Motherboard GIGABYTE - Free user manual and instructions
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| Product Type | Motherboard |
| Brand | Gigabyte |
| Model | Z790 D AC |
| Chipset | Intel Z790 |
| Socket | LGA1700 |
| Form Factor | ATX |
| Dimensions | 305 x 244 mm |
| Weight | 1.2 kg (approx.) |
| Memory Support | 4x DDR5 DIMM, up to 128GB, dual channel |
| Expansion Slots | 1x PCIe 5.0 x16, 2x PCIe 4.0 x16, 2x PCIe 3.0 x1 |
| Storage | 4x SATA III, 3x M.2 (PCIe 4.0) |
| Networking | Realtek 2.5GbE LAN, Intel Wi-Fi 6E AX211 (802.11ax) with Bluetooth 5.3 |
| Audio | Realtek ALC897, 7.1-channel HD audio |
| Rear Ports | 1x USB-C 3.2 Gen2x2, 3x USB-A 3.2 Gen2, 2x USB-A 2.0, 1x HDMI 2.0, 1x DisplayPort 1.4, 1x RJ-45, 3x audio jacks, 2x antenna connectors |
| Power Connectors | 1x 24-pin ATX, 2x 8-pin CPU |
| Maintenance | Keep BIOS updated; clean with soft dry cloth; avoid liquids. |
| Safety | Handle with anti-static precautions; install in a well-ventilated case. |
| Spare Parts / Repairability | CMOS battery CR2032 replaceable; I/O shield included; no spare parts directly available; recommend professional repair. |
| General Information | Supports Intel 13th & 12th Gen processors; dual channel DDR5; PCIe 5.0 for GPU; RGB Fusion 2.0. |
Frequently Asked Questions - Z790 D AC GIGABYTE
What processors are compatible with the Gigabyte Z790 D AC?
The Z790 D AC supports Intel 13th Gen (Raptor Lake) and 12th Gen (Alder Lake) processors with LGA1700 socket.
Does the motherboard support DDR4 memory?
No, the Gigabyte Z790 D AC only supports DDR5 memory. It does not support DDR4.
How do I update the BIOS on the Z790 D AC?
You can update the BIOS using Q-Flash Plus without a CPU or memory, simply by using a USB drive with the BIOS file in the designated USB port. Alternatively, enter BIOS (DEL key at startup) and use Q-Flash utility.
What is the maximum RAM capacity?
The motherboard supports up to 128GB of DDR5 memory across four DIMM slots, with dual channel configuration.
Does the Z790 D AC have built-in Wi-Fi and Bluetooth?
Yes, it includes Intel Wi-Fi 6E AX211 (802.11ax) and Bluetooth 5.3 support via included antenna.
How many M.2 slots are available and what speeds?
There are three M.2 slots, all supporting PCIe 4.0 x4. The first slot also supports SATA SSDs.
What is the power requirement for the motherboard?
The motherboard requires a 24-pin ATX main power connector and two 8-pin CPU power connectors. A power supply with at least 750W is recommended for high-end CPUs.
Can I use a PCIe 5.0 graphics card?
Yes, the primary PCIe x16 slot supports PCIe 5.0, which is backward compatible with PCIe 4.0 and 3.0 graphics cards.
How to clear CMOS?
You can clear CMOS by shorting the CLR_CMOS jumper with a screwdriver or removing the CR2032 battery for a few minutes, then replacing it.
What RGB software is supported?
The motherboard supports RGB Fusion 2.0 for controlling RGB lighting on compatible devices. It has both 4-pin RGB and 3-pin addressable headers.
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USER MANUAL Z790 D AC GIGABYTE
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Product information
Brand : GIGABYTE
Model : Z790 D AC
Category : Motherboard