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Dark grey ATX motherboard with black heatsinks and silver accents

ASUS

ASUS ROG Maximus Z790 Dark Hero Intel motherboard

SKU CH-Z6W7-P8EXY

LGA 1700 board with 20+1+2 power stages, five M.2 slots, dual Thunderbolt 4 ports and Wi-Fi 7

  • CPU Socket TypeLGA 1700
  • CPU TypeIntel® Socket LGA1700 for Intel® Core™ 13th Gen Processors,
  • ChipsetIntel Z790
  • Number of Memory Slots4 x DIMM slots, max. 192GB, DDR5
  • Memory StandardDDR5 8000+(OC)/7800+(OC)/7600(OC)/7400(OC)/7200(OC)/7000(OC)
  • Maximum Memory Supported192GB
  • Supports 13th, 12th Gen and earlier Intel CPUs on LGA 1700 socket
  • 20+1+2 power stages with dual ProCool II connectors for stable multi-core operation
  • Five M.2 slots including one PCIe 5.0 and four PCIe 4.0 with dedicated cooling
  • Dual Thunderbolt 4 ports, USB 20Gbps front header with 60W charging plus six USB 10Gbps ports
  • Intel Wi-Fi 7 and 2.5 Gb Ethernet with ASUS LANGuard for high-speed networking

Platform Foundation

The ASUS ROG Maximus Z790 Dark Hero is an ATX motherboard built around the Intel Z790 chipset and the LGA 1700 socket. It accepts Intel Core 12th, 13th and 14th generation processors, plus Pentium Gold and Celeron CPUs, making it a base for high-end desktop builds.

Power Delivery Under Load

A 20+1+2 power stage design with dual ProCool II connectors, alloy chokes and durable capacitors feeds multi-core processors during extended workloads. The substantial VRM cooling keeps temperatures in check so the CPU can sustain high frequencies without throttling.

Interface Limits

Five M.2 slots provide one PCIe 5.0 x4 lane and four PCIe 4.0 x4 lanes, each with dedicated heatsinks. Dual Thunderbolt 4 ports, six USB 10Gbps ports, Intel 2.5Gb Ethernet and Wi-Fi 7 with 320MHz channels deliver modern I/O headroom for storage and networking.

Highlights

  • Supports 13th, 12th Gen and earlier Intel CPUs on LGA 1700 socket
  • 20+1+2 power stages with dual ProCool II connectors for stable multi-core operation
  • Five M.2 slots including one PCIe 5.0 and four PCIe 4.0 with dedicated cooling
  • Dual Thunderbolt 4 ports, USB 20Gbps front header with 60W charging plus six USB 10Gbps ports
  • Intel Wi-Fi 7 and 2.5 Gb Ethernet with ASUS LANGuard for high-speed networking

Specifications

BrandASUS
SeriesROG
ModelROG MAXIMUS Z790 DARK HERO
Part Number90MB1F90-M0AAY0
CPU Socket TypeLGA 1700
CPU TypeIntel® Socket LGA1700 for Intel® Core™ 13th Gen Processors, Intel® Core™ 12th Gen, Pentium® Gold and Celeron® Processors
Supports Intel® Turbo Boost Technology 2.0 and Intel® Turbo Boost Max Technology 3.0**
* Refer to www.asus.com for CPU support list.
** Intel® Turbo Boost Max Technology 3.0 support depends on the CPU types.
ChipsetIntel Z790
Number of Memory Slots4 x DIMM slots, max. 192GB, DDR5
Memory StandardDDR5
8000+(OC)/7800+(OC)/7600(OC)/7400(OC)/7200(OC)/7000(OC)/6800(OC)/6600(OC)/6400(OC)/6200(OC)/6000(OC)/5800(OC)/5600/5400/5200/5000/4800 Non-ECC, Un-buffered Memory
Maximum Memory Supported192GB
Channel SupportedDual channel memory architecture
Supports Intel® Extreme Memory Profile (XMP) memory module
ASUS Enhanced Memory Profile II (AEMP II)
Supports DIMM Flex
* Supported memory types, data rate (Speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information refer to www.asus.com for memory support list.
* Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.
PCI Express 5.0 x16Intel® CoreTM Processors (13th & 12th Gen)*
2 x PCIe 5.0 x16 slots (support x16 or x8/x8 modes)**
Intel® Z790 Chipset
1 x PCIe 4.0 x4 slot
* Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/).
** M.2_1 shares bandwidth with PCIEX16(G5)_2. When M.2_1 is enabled, PCIEX16(G5)_2 will be disabled and PCIEX16(G5)_1 will run x8 only.
- To ensure compatibility of the device installed, please refer to https://www.asus.com/support/ for the list of supported peripherals.
Serial ATA (SATA)4 x SATA 6Gb/s ports
M.2Total supports 5 x M.2 slots and 4 x SATA 6Gb/s ports*
Intel® CoreTM Processors (13th & 12th Gen)
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 5.0 x4 mode.)**
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode.)
Intel® Z790 Chipset**
M.2_3 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)
M.2_4 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)
M.2_5 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)
4 x SATA 6Gb/s ports
* Intel® Rapid Storage Technology supports PCIe RAID 0/1/5/10, SATA RAID 0/1/5/10.
** M.2_1 shares bandwidth with PCIEX
SATA RAID* Intel® Rapid Storage Technology supports PCIe RAID 0/1/5/10, SATA RAID 0/1/5/10.
Audio ChannelsROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4082*
- Impedance sense for front and rear headphone outputs
- Supports: Jack-detection, Multi-streaming, Front Panel MIC Jack-retasking
- High quality 120 dB SNR stereo playback output and 110 dB SNR recording input
- Supports up to 32-Bit/384 kHz playback on front panel
Audio Features
- SupremeFX Shielding Technology
- ESS® ES9218 QUAD DAC
- Gold-plated audio jacks
- Rear optical S/PDIF out port
- Premium audio capacitors
*The rear panel Lime (Line out) port does not support spatial audio. If you wish to use spatial au
Max LAN Speed1 x Intel® 2.5Gb Ethernet
ASUS LANGuard
Wireless LANIntel® Wi-Fi 7*
2x2 Wi-Fi 7 (802.11be)**
Supports 2.4/5/6GHz frequency band***
Support Wi-Fi 7 320MHz bandwidth, up to 5.76Gbps transfer rate.
Bluetooth® v5.4****
* Compatible with Windows 11 or later.
** Wi-Fi 7 MLO(Multi-link Operation) full functions support will be ready in Windows 11 2024 Platform (Windows 11 24H2) or later.
*** Wi-Fi 6GHz frequency band and bandwidth regulatory may vary between countries.
**** The Bluetooth version may vary, please refer to the Wi-Fi module manufacturer's website for the latest specifications.
BluetoothYes
Back I/O Ports2 x Thunderbolt™ 4 USB Type-C® ports
6 x USB 10Gbps ports (5 x Type-A + 1 x USB Type-C®)
4 x USB 5Gbps ports (4 x Type-A)
1 x HDMITM port
1 x Wi-Fi Module
1 x Intel® 2.5Gb Ethernet port
5 x Gold-plated audio jacks
1 x Optical S/PDIF out port
1 x BIOS FlashBack™ button
1 x Clear CMOS button
Other ConnectorsFan and Cooling related
1 x 4-pin CPU Fan header
1 x 4-pin CPU OPT Fan header
1 x 4-pin AIO Pump header
4 x 4-pin Chassis Fan headers
1 x W_PUMP+ header
1 x 2-pin Water In header
1 x 2-pin Water Out header
1 x 3-pin Water Flow header
Power related
1 x 24-pin main power connector
2 x 8-pin +12V power connector
1 x 8-pin PCIe power connector
Storage related
5 x M.2 slots (Key M)
4 x SATA 6Gb/s ports
USB
1 x USB 20Gbps connector (supports USB Type-C®)
2 x USB 5Gbps headers support 4 additional USB 5Gbps ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
Miscellaneous
3 x Addre
Windows 11Windows® 11, Windows® 10 64-bit
Form FactorATX
Dimensions (W x L)12.0" x 9.6"
FeaturesExtreme OC Kit
- FlexKey button
- ReTry button
- Start button
Extreme Engine Digi+
- 10K Black metallic capacitors
- MicroFine alloy choke
ASUS Q-Design
- M.2 Q-Latch
- PCIe Slot Q-Release
- Q-Antenna
- Q-Code
- Q-Connector
- Q-DIMM
- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green]) with DRAM Detection
- Q-Slot
ASUS Thermal Solution
- M.2 heatsink backplate
- M.2 heatsink
- Metal backplate
- VRM heatsink design
ASUS EZ DIY
- BIOS FlashBack™ button
- Clear CMOS button
- CPU Socket lever protector
- ProCool II
- Pre-mounted I/O shield
- SafeSlot
- SafeDIMM
AURA

Questions about this item

How loud and hot does the 20+1+2 power-stage VRM get under all-day load?

The 20+1+2 power stages with dual ProCool II connectors and alloy chokes are built for sustained multi-core operation; substantial M.2 heatsinks also help keep onboard thermals in check.

What memory and CPU cooler must I already own to use this LGA 1700 board?

You need a DDR5 kit up to 192 GB across four slots and an LGA 1700-compatible cooler; the board has no bundled cooler.

Will my PCIe 4.0 M.2 drives and USB 3.2 devices work at full speed on the Z790 chipset?

Four PCIe 4.0 M.2 slots and numerous USB 10 Gbps ports run at native speeds, while the primary PCIe 5.0 x16 slot and one M.2 slot support newer 5.0 devices.

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