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ASUS ROG MAXIMUS Z890 HERO motherboard with Intel Core Ultra 9 285K CPU installed, black ATX board with silver heatsinks and I/O shield

ASUS

ASUS ROG MAXIMUS Z890 HERO + Core Ultra 9 285K Intel motherboard

SKU CH-T3AQ-K1PBM

Z890 ATX motherboard paired with a Core Ultra 9 285K, 22+2+1+2 power stages, DDR5 up to 9200 MT/s, WiFi 7, Thunderbolt 4 and 5 Gbps plus 2.5 Gbps LAN

  • CPU Socket TypeLGA 1851
  • CPU TypeIntel Core Ultra Processors (Series 2)
  • ChipsetIntel Z890
  • Number of Memory Slots4x288pin (DDR5)
  • Maximum Memory Supported256GB
  • Channel SupportedDual Channel

Motherboard ROG MAXIMUS Z890 HERO

+CPU +Ultra9 285K

  • AI-ready platform with Intel Core Ultra 9 285K processor
  • Robust 22+2+1+2 power stages rated up to 110A each
  • DDR5 memory support up to 9200 MT/s across four slots
  • Dual LAN at 5Gbps and 2.5Gbps plus WiFi 7
  • Thunderbolt 4 and 7.1-channel audio for high-speed I/O

AI-Ready Platform for Core Ultra 9

The ROG MAXIMUS Z890 HERO motherboard paired with the Intel Core Ultra 9 285K delivers an LGA 1851 platform built for advanced AI workloads. Four DDR5 slots support up to 256 GB at 9200 MT/s with NitroPath DRAM Technology, DIMM Fit, DIMM Flex and AEMP III. The 22+2+1+2 power stage design uses 110 A, 90 A and 80 A stages with ProCool II connectors, MicroFine alloy chokes and premium metallic capacitors.

Connectivity and Expansion Layout

A PCIe 5.0 x16 slot and a PCIe 4.0 x16 slot from the chipset provide graphics and add-in card options, while a PCIe 4.0 x1 slot adds further flexibility. Storage includes one PCIe 5.0 M.2 slot and additional PCIe 4.0 M.2 slots supporting 2242, 2260, 2280 and 22110 form factors, plus four SATA 6 Gb/s ports. Rear I/O covers 5 Gbps and 2.5 Gbps Ethernet, WiFi 7, Bluetooth 5.4 and Thunderbolt 4 alongside 7.1-channel audio.

Thermals and Power Behaviour

The CPU carries a 125 W base power rating with 36 MB L3 and 40 MB L2 cache, and no cooler is included in the box. AI Cooling II manages fan curves automatically based on system load, while the robust VRM heatsink array handles the high-current power stages during sustained workloads. AI Networking II optimises traffic for lower latency without extra user intervention.

Points forts

  • AI-ready platform with Intel Core Ultra 9 285K processor
  • Robust 22+2+1+2 power stages rated up to 110A each
  • DDR5 memory support up to 9200 MT/s across four slots
  • Dual LAN at 5Gbps and 2.5Gbps plus WiFi 7
  • Thunderbolt 4 and 7.1-channel audio for high-speed I/O

Caractéristiques

BrandASUS
SeriesROG MAXIMUS Z890 HERO+Ultra9 285K
ModelROG MAXIMUS Z890 HERO+Ultra9 285K
CPU Socket TypeLGA 1851
CPU TypeIntel Core Ultra Processors (Series 2)
ChipsetIntel Z890
Number of Memory Slots4x288pin (DDR5)
Maximum Memory Supported256GB
Channel SupportedDual Channel
Memory FeatureSupport up to 9200+MT/s (OC), Non-ECC, Un-buffered, Clocked Unbuffered DIMM (CUDIMM)*
Dual channel memory architecture
Supports Intel Extreme Memory Profile (XMP) memory module
Supports DIMM Flex
NitroPath DRAM Technology
DIMM FIT
ASUS Enhanced Memory Profile III (AEMP III)
* Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.
PCI Express 5.0 x16Intel Core Ultra Processors (Series 2)*
1 x PCIe 5.0 x16 slot (supports x16 or x8/x4/x4 modes)**
** When M.2_3 or M.2_4 is enabled, PCIEX16(G5) will run x8 only.
PCI Express 4.0 x16Intel Z890 Chipset
1 x PCIe 4.0 x16 slot (supports x4 mode)
PCI Express x41 x PCIe 4.0 x1 slot
Serial ATA (SATA)4 x SATA 6Gb/s
M.2Intel Core Ultra Processors (Series 2) *
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)
M.2_3 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)**
M.2_4 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)
Intel Z890 Chipset
M.2_5 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)
M.2_6 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)
SlimSAS slot supports PCIe 4.0 x4 mode or up to 4 SATA devices via a transfer cable. The cable is purchased separa
SATA RAID* Intel Rapid Storage Technology supports PCIe RAID 0/1/5/10, SATA RAID 0/1/5/10, M.2 slot from CPU only supports RAID 0/1/5
Audio Channels7.1 Channels
Max LAN Speed5Gbps + 2.5Gbps
Wireless LANWi-Fi 802.11 be
BluetoothBluetooth 5.4
Back I/O Ports2 x Thunderbolt 4 USB Type-C ports
5 x USB 10Gbps ports (4 x Type-A + 1 x USB Type-C)
4 x USB 5Gbps ports (4 x Type-A)
1 x HDMI port
1 x Wi-Fi module
1 x Intel 2.5Gb Ethernet port
1 x Realtek 5Gb Ethernet port
2 x Gold-plated audio jacks
1 x Optical S/PDIF out port
1 x BIOS FlashBack button
1 x Clear CMOS button
Onboard USB1 x USB 20Gbps connector (supports USB Type-C)
1 x USB 10Gps 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
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+ headers
Miscellaneous
3 x Addressable Gen 2 headers
1 x Alteration PCIe mode switch
1 x FlexKey button
1 x Front Panel Audio header (F_AUDIO)
1 x ReTry button
1 x Start button
1 x 10-1 pin System Panel header
1 x Thermal Sensor header
1 x Thunderbolt (USB4) header
BIOS Feature256 Mb Flash ROM, UEFI AMI BIOS
SoftwareROG Exclusive Software
- ROG CPU-Z
- Dolby Atmos
- Polymo Lighting II
- Internet Security (1-year full version)
ASUS Exclusive Software
Armoury Crate
- AIDA64 Extreme (1 year full version)
- Aura Creator
- Aura Sync
- Xpert 4 (with AI Cooling II)
- GameFirst
- Power Saving
- Hwinfo
ASUS AI Advisor
ASUS DriverHub
ASUS GlideX
Thunderbolt™ Share
USB Wattage Watcher
TurboV Core
Adobe Creative Cloud (Free Trial)
WinRAR (40 Days Free Trial)
UEFI BIOS
NPU Boost
AI Overclocking Guide
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode
- ASUS MyHotkey
FlexKey
Windows 11Windows 11 (22H2 & later)
Form FactorATX
Dimensions (W x L)12.0" x 9.6"
Power Pin1 x 24-pin Main Power connector
2 x 8-pin +12V CPU Power connectors
1 x 8-pin PCIe Power connector
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
- M.2 Q-Release
- M.2 Q-Slide
- Q-Release Slim (with PCIe SafeSlot)
- Q-Antenna
- Q-Code
- Q-Connector
- Q-Dashboard
- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
- Q-Slot
ASUS Thermal Solution
- M.2 heatsink backplate
- M.2 heatsink
- Metal backplate
- VRM heatsink design
ASUS EZ DIY
- Backplate
- BIOS FlashBack™ button
- Clear CMOS button
- CPU Socket lever protector
- ProCool II
- Pre-mo
Package ContentsIntel Ultra 9 285K CPU
Cables
1 x ARGB RGB extension cable
4 x SATA 6Gb/s cables
Additional Cooling Kit
1 x DDR5 fan holder
1 x Thermal pad for M.2 22110
Miscellaneous
1 x ASUS WiFi Q-Antenna
1 x Q-connector
1 x M.2 Q-Latch package
3 x M.2 Q-Slide packages
1 x ROG stickers
6 x M.2 rubber packages
1 x ROG thank you card
1 x ROG Bottle Opener
Installation Media
1 x USB drive with utilities and drivers
Documentation
1 x Quick start guide

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Questions sur cet article

What PCIe generation does the primary x16 slot use and what lane width does it drop to when M.2_3 or M.2_4 is populated?

The CPU-linked PCIe 5.0 x16 slot runs at x16 by default and falls back to x8 when either M.2_3 or M.2_4 is enabled.

What physical clearance does the 22+2+1+2 stage VRM heatsink impose on CPU cooler height?

The VRM heatsink covers the socket surround, so any air cooler or AIO cold plate must fit within the standard LGA 1851 keep-out zone; verify cooler specifications against the motherboard layout before purchase.

Which BIOS step enables the AI Overclocking profile for the Core Ultra 9 285K after the CPU is seated and power connected?

Enter the UEFI, open the AI Overclocking utility, run the brief stress test, then save and exit — skipping the stress test leaves the profile inactive.

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