Gigabyte Z790 D AX DDR5 LGA1700 ATX Motherboard Black
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Gigabyte Z790 D AX — the unlocked Z790 board with Wi-Fi 6E, three M.2 sockets and Q-Flash Plus
A full-size ATX board on the Intel Z790 chipset — the tier that actually lets you overclock a K-series processor. It carries a Twin 12+1+1 phase digital VRM under Ultra Durable heatsinks, four DDR5 slots reaching DDR5-7600 (O.C.), three PCIe 4.0 M.2 sockets, a PCIe 5.0 x16 graphics slot, and both Wi-Fi 6E and 2.5 Gigabit Ethernet.
Board Map
Every connector, located before you unbox
LGA 1700 CPU socket — dead centre
The silkscreen beside the socket reads "Supports Intel Core Socket 1700". 12th, 13th and 14th Gen Intel Core processors drop straight in, and because this is a Z-series chipset the K-series parts are unlocked for overclocking.
Twin 12+1+1 phase VRM under Ultra Durable heatsinks — top and left
Large finned heatsink blocks branded ULTRA DURABLE cover the power stage along the top and left edges. That mass is what a 14th Gen i7 or i9 needs when every core is loaded — this is the part an entry board simply does not have.
4 × DDR5 DIMM slots — right edge
Four-slot dual-channel DDR5 up to 256 GB, running JEDEC 4800/4400 and reaching DDR5-7600 by overclocking on 13th and 14th Gen Core i7 and i9 processors.
PCIe 5.0 x16 — the long white slot
The reinforced white slot is the PCIe 5.0 x16 graphics socket, anchored to carry a heavy modern card. Below it sit four more expansion slots, silkscreened PCIEX1_1, PCIEX1_2 and PCIEX4.
3 × M.2 PCIe 4.0 sockets — one under the top heatsink, two beside the chipset
The first socket (M2A_CPU) runs under the long finned bar above the graphics slot. Two more sit to the right of the expansion slots. All three are PCIe 4.0 x4, so three NVMe drives run at full Gen4 speed.
4 × SATA 6 Gb/s — right edge
Four right-angled SATA ports on the board edge for hard drives and 2.5-inch SSDs, with cables exiting cleanly toward the drive cage.
Q-Flash Plus button — bottom edge
Silkscreened Q-FLASH_PLUS. It flashes a new BIOS from a USB stick with no CPU, no memory and no graphics card installed — the difference between a five-minute fix and a dead board when you pair it with a CPU newer than the shipped firmware.
Front headers, TPM and RGB — bottom edge
The bottom edge carries F_AUDIO, two USB 2.0 headers, a serial COM header, the SPI_TPM connector for Windows 11, D_LED1 and LED_C1 lighting headers, Clear CMOS and the front panel block.
Closer Look
Detail shots of both working sides and the heatsink profile
Power Delivery & Thermals
What feeds the socket, and what keeps it steadyTwin 12+1+1 phase digital VRM
A doubled twelve-phase Vcore design with dedicated phases for the memory controller and the integrated graphics. This is the reason a Z790 board can hold a 14th Gen i9 at full boost where a B760 or H610 board would throttle back.
Ultra Durable VRM heatsinks
Large finned blocks cover the power stage on the top and left edges. On an overclocking board the VRM temperature, not the CPU temperature, is often what ends the run — so the metal here directly buys you stability.
Q-Flash Plus
A dedicated button flashes the BIOS from a USB stick with no CPU, no RAM and no GPU fitted. If you buy a processor newer than the shipped firmware, this turns a potential dead build into a five-minute update.
Wi-Fi 6E plus 2.5 GbE
Both radios are on board: Wi-Fi 6E reaching the clean 6 GHz band through the two rear antenna connectors, and a wired 2.5 Gigabit port for when latency matters more than convenience.
Lane Map
Interface speed rating & capability relative to modern motherboard standardsRear I/O Bay
Exactly what appears on the back of your case
Will It Fit Your Build?
Check these before you add to cartProcessor
Any 12th, 13th or 14th Gen Intel Core on LGA 1700 — and unlike B760 or H610, the K-series parts are unlocked here.
Overclocking
Z790 supports CPU multiplier overclocking, backed by a Twin 12+1+1 phase VRM under Ultra Durable heatsinks.
Memory
DDR5 only — 4 slots, up to 256 GB, DDR5-7600 by overclocking on 13th/14th Gen i7 and i9.
Storage
3 × M.2 PCIe 4.0 plus 4 × SATA 6 Gb/s — room for three NVMe drives without touching the SATA ports.
Networking
Both Wi-Fi 6E and 2.5 Gigabit Ethernet on board. No add-in card needed either way.
Case
Full-size ATX board — needs a Mid-Tower or Full-Tower ATX chassis, not a Micro-ATX case.
First boot safety
Q-Flash Plus updates the BIOS with no CPU or memory fitted, so a processor newer than the shipped firmware is never a dead end.
Plan your cooling
A Z790 board only pays off with a CPU worth overclocking, and those draw real power. Budget for a substantial tower air cooler or a 240 mm-plus AIO.
Full Specification Sheet
Gigabyte Z790 D AX DDR5| CPU Socket | Intel LGA 1700 |
| CPU Support | 12th, 13th and 14th Gen Intel Core · K-series unlocked |
| Chipset | Intel Z790 |
| Form Factor | ATX |
| Power Design | Twin 12+1+1 phase digital VRM under Ultra Durable heatsinks |
| Memory Slots | 4 × DDR5 DIMM, dual channel |
| Max Memory | 256 GB (64 GB per DIMM) |
| Memory Speed | JEDEC 4800 / 4400 · up to DDR5-7600 (O.C.) |
| Graphics Slot | 1 × PCIe 5.0 x16 |
| Expansion Slots | 1 × PCIe 4.0 x4 · 1 × PCIe 3.0 x1 (x16 form) · 2 × PCIe 3.0 x1 |
| M.2 Storage | 3 × M.2 PCIe 4.0 x4 |
| SATA Ports | 4 × SATA 6 Gb/s |
| Wireless | Wi-Fi 6E 802.11ax with dual rear antenna connectors |
| Wired Network | 2.5 Gigabit Ethernet |
| Rear Video Out | 1 × DisplayPort · 1 × HDMI |
| Rear USB | 1 × Type-C 10 Gb/s · 1 × Type-A 10 Gb/s · 4 × Type-A 5 Gb/s · 2 × USB 2.0 |
| BIOS Recovery | Q-Flash Plus — flash with no CPU, RAM or GPU installed |
| Security | SPI TPM header for Windows 11 |
| Lighting | Addressable (D_LED1) and RGB (LED_C1) headers |
| Legacy | 1 × PS/2 combo · 1 × serial COM header |
| Warranty | Official local warranty |
