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Compact Mini ITX motherboard with dark heatsinks and mounted CPU

ASUS

ASUS ROG STRIX Z890-I GAMING WIFI Intel motherboard with Ultra 9 285K CPU

SKU CH-NHMG-WTESY

Mini-ITX Z890 board paired with a 285K CPU, two DDR5 slots up to 128 GB, dual PCIe 5.0 M.2, Thunderbolt 4 and 2.5 Gb Ethernet

  • CPU Socket TypeLGA 1851
  • CPU TypeIntel Core Ultra Processors (Series 2)
  • ChipsetIntel Z890
  • Number of Memory Slots2x288pin (DDR5)
  • Maximum Memory Supported128GB
  • Channel SupportedDual Channel

model ROG STRIX Z890-I GAMING WIFI

+CPU +Ultra 9 285K

  • Ready for DDR5 speeds up to 9200 MT/s with dual-channel memory architecture
  • Two PCIe 5.0 x4 M.2 slots for high-speed storage expansion
  • Thunderbolt 4 ports plus USB 20 Gbps and 10 Gbps on the rear I/O
  • ESS SABRE 9260Q DAC with dedicated audio layers for clean sound
  • Intel Ultra 9 285K CPU with 36 MB L3 and 40 MB L2 cache included

Compact Z890 platform for Ultra 9 285K

This Mini‑ITX motherboard pairs the Intel Z890 chipset with a pre‑installed Core Ultra 9 285K processor in the LGA 1851 socket. Two DDR5 slots support up to 128 GB in dual‑channel mode and speeds beyond 9200 MT/s when overclocked. The board targets builders who need full Z890 feature set in a small chassis.

Sustained load on 125 W Arrow Lake silicon

The 285K runs at a 125 W base power with 36 MB L3 and 40 MB L2 cache to keep data close during long renders or compiles. Dual PCIe 5.0 M.2 slots and a PCIe 5.0 x16 slot maintain bandwidth for storage and graphics without throttling. VRM cooling and Fan Xpert 4 with AI Cooling II manage power delivery over extended sessions.

Thermals and acoustics in daily use

AIO pump and chassis fan headers plus an Extra Flow header let builders tune airflow for the compact layout. ROG Strix Hive II audio with ESS SABRE9260Q DAC and dedicated PCB layers isolates analogue signals from digital noise. Rear I/O includes two Thunderbolt 4 ports, 2.5 Gb Ethernet and Wi‑Fi for clean connectivity.

Highlights

  • Ready for DDR5 speeds up to 9200 MT/s with dual-channel memory architecture
  • Two PCIe 5.0 x4 M.2 slots for high-speed storage expansion
  • Thunderbolt 4 ports plus USB 20 Gbps and 10 Gbps on the rear I/O
  • ESS SABRE 9260Q DAC with dedicated audio layers for clean sound
  • Intel Ultra 9 285K CPU with 36 MB L3 and 40 MB L2 cache included

Specifications

BrandASUS
ModelROG STRIX Z890-I GAMING WIFI+Ultra9 285K
CPU Socket TypeLGA 1851
CPU TypeIntel Core Ultra Processors (Series 2)
ChipsetIntel Z890
Number of Memory Slots2x288pin (DDR5)
Maximum Memory Supported128GB
Channel SupportedDual Channel
Memory FeatureSupport up to 9200+MT/s (OC), Non-ECC,
Un-buffered, Clocked Unbuffered DIMM (CUDIMM)*
Dual channel memory architecture
DIMM Fit
Supports Intel Extreme Memory Profile (XMP) memory module
Supports DIMM Flex
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 mode)
Serial ATA (SATA)2 x SATA 6Gb/s
M.2Intel Core Ultra Processors (Series 2)**
M.2_1 slot (Key M), type 2230/2242/2260/2280 (supports PCIe 5.0 x4 mode)
M.2_2 slot (Key M), type 2230/2242/2260/2280 (supports PCIe 5.0 x4 mode)
** M.2_2 slot shares bandwidth with PCIEX16(G5). When M.2_2 slot is occupied with SSD device, PCIEX16(G5) will run x8 only.
SATA RAID0/1
Audio ChannelsROG Strix Hive II Audio Features
- ROG Hyper-Grounding Technology
- ESS SABRE9260Q DAC
- Silver-plated audio jacks
- Dedicated audio PCB layers
* All audio functions on ROG STRIX Z890-I GAMING WIFI are supported through the ROG STRIX HIVE II.
Back I/O Ports2 x Thunderbolt 4 (2 x USB Type-C)
1 x USB 20Gbps port (1 x USB Type-C)
3 x USB 10Gbps ports (3 x Type-A)
1 x USB 5Gbps port (1 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
1 x HDMI port
1 x Wi-Fi module
1 x Intel 2.5Gb Ethernet port
1 x BIOS FlashBack button
Onboard USB1 x USB 20Gbps connector (supports USB Type-C)
1 x USB 5Gbps header supports 2 additional
USB 5Gbps ports
Other ConnectorsFan and Cooling Related
1 x 4-pin CPU Fan header
1 x 4-pin AIO Pump header
1 x 4-pin Chassis Fan header
1 x Extra Flow Fan header
Miscellaneous
2 x Addressable Gen 2 headers
1 x 2-pin Power Button header
1 x Thermal Sensor header
2 x USB Type-C connectors to install ROG FPS card
ROG FPS card
2 x SATA 6Gb/s ports
1 x CPU Over Voltage jumper
1 x Clear CMOS header
1 x Front Panel header
1 x Alteration PCIe Mode switch
2 x USB 2.0 headers support 3 additional
USB 2.0 ports
BIOS Feature256 Mb Flash ROM, UEFI AMI BIOS
SoftwareROG Exclusive Software
- ROG CPU-Z
- Dolby Atmos
ASUS Exclusive Software
Armoury Crate
- Aura Creator
- Aura Sync
- Fan Xpert 4 (with AI Cooling II)
- GameFirst
- Power Saving
HWiNFO
AIDA64 Extreme (60 days free trial)
ASUS AI Advisor
ASUS Driver Hub
ASUS GlideX
Adobe Creative Cloud (Free Trial)
Norton 360 for Gamers (60 Days Free Trial)
WinRAR (40 Days Free Trial)
UEFI BIOS
AI Overclocking Guide
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash
- ASUS UEFI BIOS EZ Mode
- ASUS MyHotkey
NPU Boost
Windows 11Windows 11 (22H2 later)
Form FactorMini ITX
Dimensions (W x L)6.7" x 6.7"
Power Pin1 x 24-pin Main Power connector
1 x 8-pin +12V CPU Power connector
FeaturesExtreme Engine Digi+
- 5K Black metallic capacitors
ASUS Q-Design
- M.2 Q-Release Duo
- PCIe Slot Q-Release Slim (with PCIe SafeSlot)
- Q-Antenna
- Q-Dashboard
- Q-DIMM
- Q-Slot
ASUS Thermal Solution
- M.2 heatsink backplate
- M.2 heatsink
- VRM heatsink design
- Fan bracket
ASUS EZ DIY
- BIOS FlashBack button
- BIOS FlashBack LED
- CPU Socket lever protector
- ProCool II
- Pre-mounted I/O shield
- SafeDIMM
- Backplate
Aura Sync
- Addressable Gen 2 headers
ROG STRIX HIVE II
1 x USB Type-C connects to motherboard
2 x USB 10Gbps ports (1 x USB Type-C+ 1 x Type-A)
1 x Headphone jack wit
Package ContentsCables
1x Intel Ultra 9 285K CPU Comb
1 x ROG USB2.0 splitter cable
2 x SATA 6Gb/s cables
1 x Panel Cable
ROG FPS Card
1 x ROG FPS Card
ROG STRIX HIVE II
1 x ROG STRIX HIVE II
1 x USB Type-C power connection cable
Miscellaneous
1 x ASUS WiFi Q-Antenna
1 x Cable ties package
1 x ROG key chain
1 x ROG Strix stickers
Documentation
1 x Quick start guide

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How much power does the Ultra 9 285K CPU draw under sustained load?

The Intel Ultra 9 285K processor has a base power of 125W, so sustained workloads will draw around that level and require adequate cooling.

Which DDR5 memory speeds are officially validated for this Z890 board?

The board supports DDR5 speeds from 4400 up to 9200 MT/s (OC) across its two 288-pin slots, with a maximum capacity of 128GB in dual-channel mode.

Will my existing SATA SSDs and 2.5Gb Ethernet cable work with the rear I/O and internal headers?

Yes, the board provides two SATA 6Gb/s ports for drives and an Intel 2.5Gb Ethernet port on the rear I/O for wired networking.

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