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Black ATX motherboard with silver heatsinks, two DDR5 slots and angled M.2 covers

ASUS

ASUS ROG MAXIMUS Z890 APEX Intel motherboard

SKU CH-Z2KF-VKM0F MPN ROG MAXIMUS Z890 APEX

ATX motherboard for Intel Core Ultra Series 2 processors with LGA 1851 socket, 22+2+1+2 power stages, dual DDR5 slots up to 128GB, three PCIe 5.0 M.2 slots, WiFi 7, 5G LAN, Thunderbolt 4.

  • CPU Socket TypeLGA 1851
  • CPU TypeIntel Core Ultra Processors (Series 2)
  • ChipsetIntel Z890
  • Number of Memory Slots2x288pin (DDR5)
  • Memory StandardDDR5 4400 / DDR5 4800 / DDR5 5000 / DDR5 5200 / DDR5 5400 /
  • Maximum Memory Supported128GB

Option ROG MAXIMUS Z890 APEX

Struck-through versions exist but are not stocked here.

  • Supports Intel Core Ultra Series 2 processors on LGA 1851 socket
  • 22+2+1+2 power stages with 110A and 90A ratings for stable overclocking
  • Dual-channel DDR5 up to 9600 MT/s with two DIMM slots for high memory speeds
  • Three PCIe 5.0 M.2 slots plus WiFi 7 and 5G LAN for fast connectivity
  • Thunderbolt 4 and USB 20Gbps Type-C ports for versatile high-speed I/O

LGA 1851 overclocking platform

The ROG Maximus Z890 Apex is an ATX motherboard built for Intel Core Ultra processors (Series 2) using the LGA 1851 socket. It targets enthusiasts and competitive overclockers who need maximum CPU and memory headroom. The two-slot DDR5 layout and robust power delivery are engineered specifically for record-breaking performance attempts.

22+2+1+2 power stage design

This board replaces earlier Z790 Apex models with a revised 22(110A)+2(90A)+1(90A)+2(80A) power stage array fed by ProCool II connectors. The jump is worth it when pushing DDR5 beyond 9600 MT/s or running sustained heavy loads on Intel Core Ultra chips. MicroFine alloy chokes and metallic capacitors ensure stable voltage under extreme tuning scenarios.

Dual-slot DDR5 memory focus

The two 288-pin slots support up to 128GB dual-channel DDR5 with XMP 3.0 and AEMP III profiles. This suits overclockers who prioritise memory frequency over capacity and use high-binned CUDIMM kits. Builders needing four populated slots or ECC support should look at alternative Z890 boards with standard four-DIMM layouts.

Highlights

  • Supports Intel Core Ultra Series 2 processors on LGA 1851 socket
  • 22+2+1+2 power stages with 110A and 90A ratings for stable overclocking
  • Dual-channel DDR5 up to 9600 MT/s with two DIMM slots for high memory speeds
  • Three PCIe 5.0 M.2 slots plus WiFi 7 and 5G LAN for fast connectivity
  • Thunderbolt 4 and USB 20Gbps Type-C ports for versatile high-speed I/O

Specifications

BrandASUS
ModelROG MAXIMUS Z890 APEX
CPU Socket TypeLGA 1851
CPU TypeIntel Core Ultra Processors (Series 2)
ChipsetIntel Z890
Number of Memory Slots2x288pin (DDR5)
Memory StandardDDR5 4400 / DDR5 4800 / DDR5 5000 / DDR5 5200 / DDR5 5400 / DDR5 5600 / DDR5 5800 / DDR5 6000 / DDR5 6200 / DDR5 6400 / DDR5 6600 / DDR5 6800 / DDR5 7000 / DDR5 7200 / DDR5 7400 / DDR5 7600 / DDR5 7800 / DDR5 7900 / DDR5 7950 / DDR5 8000 / DDR5 8200 / DDR5 8266 / DDR5 8400 / DDR5 8600 / DDR5 8666 / DDR5 8800 / DDR5 8933 / DDR5 9000 / DDR5 9066 / DDR5 9200 / DDR5 9466 / DDR5 9500 / DDR5 9600
Maximum Memory Supported128GB
Channel SupportedDual Channel
Memory Performance ProfileIntel XMP 3.0
Memory FeatureSupports up to 9600+ 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 x16Support Intel Core Ultra Processors(series 2)*
2 x PCIe 5.0 x16 slots (supports x16 or x8/x8 or x8/x4/x4 modes)**
PCI Express x42 x PCIe 4.0 x4 slots
** M.2_3 & M.2_4 share bandwidth with PCIEX16(G5)_2. When M.2_3 is enabled, PCIEX16(G5)_1 will run x8 & PCIEX16(G5)_2 will run x4. When M.2_3 & M.2_4 are enabled, PCIEX16(G5)_1 will run x8 & PCIEX16(G5)_2 will disabled.
Serial ATA (SATA)4 x SATA 6Gb/s
M.2Support Intel 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 modes)**
M.2_4 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 modes)**
Intel Z890 Chipset
DIMM.2_1 slot (Key M) via ROG DIMM.2, type 2230/2242/2260/2280/22110 (supports PCIe 4.0 x4 mode)
DIMM.2_2 slot (Key M) via ROG DIMM.2, type 2230/2242/2260/2280/22110 (supports PCIe 4.0 x4 mode)
**M.2_3 & M.2_4 share bandwidth with PCIEX16(
Audio ChannelsROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4080*
- 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
- Savitech SV3H712 AMP
- Gold-plated audio jacks
- Rear optical S/PDIF out port
- Premium audio capacitors
- Audio cover
* A chassis with an HD audio module in the front panel is required to support 7.1 Su
Max LAN Speed5Gbps
Wireless LANWi-Fi 802.11 be
BluetoothBluetooth 5.4
Back I/O Ports2 x Thunderbolt 4 ports (USB Type-C)
1 x USB 20Gbps port (1 x USB Type-C)
4 x USB 10Gbps ports (4 x Type-A)
4 x USB 5Gbps ports (4 x Type-A)
1 x Wi-Fi Module
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
1 x PS/2 keyboard/mouse combo port
Onboard USB1 x USB 20Gbps connector (supports USB Type-C)
1 x USB 10Gbps 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
2 x 4-pin Chassis Fan headers
2 x 4-pin Full Speed Fan headers
1 x W_PUMP+ header
1 x Extra Flow Fan header
Miscellaneous
1 x 80 Light Bar jumper
3 x Addressable Gen 2 headers
1 x Alteration PCIe mode switch
4 x BCLK button
1 x BIOS Switch button
1 x FlexKey button
1 x Front Panel Audio header (F_AUDIO)
1 x LN2 Mode jumper
1 x Pause switch
18 x ProbeIt Measurement Points
1 x ReTry button
2 x RSVD switches
1 x RSVD header
1 x Safe Boot button
1 x Slow Mode switch
1 x Start button
1
BIOS Feature2 x 256 Mb Flash ROM, UEFI AMI BIOS
SoftwareROG Exclusive Software
- ROG CPU-Z
- Dolby Atmos
- Internet Security (1-year full version)
ASUS Exclusive Software
Armoury Crate
- AIDA64 Extreme (1 year full version)
- Aura Creator
- Aura Sync
- Fan Xpert 4 (with AI Cooling II)
- GameFirst
- Power Saving
- HWiNFO
ASUS AI Advisor
ASUS Driver Hub
ASUS GlideX
Turbo Vcore
Adobe Creative Cloud (Free Trial)
Thunderbolt Share
USB Wattage Watcher
WinRAR (40 Days Free Trial)
UEFI BIOS
AI Overclocking Guide
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode
- ASUS MyHotkey
NPU Boost
Windows 11Windows 11 (22H2 & later), Windows 10 64-bit (21H2 & 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 Power connector
1 x 8-pin PCIe Power connector
FeaturesExtreme OC Kit
- FlexKey button
- LN2 Mode
- ProbeIt
- ReTry button
- Safe boot button
- Start button
- Slow Mode
Extreme Engine Digi+
- SMD Capacitor
- MicroFine Alloy Choke
ASUS Q-Design
- M.2 Q-Latch
- M.2 Q-Release
- M.2 Q-Slide
- PCIe Slot Q-Release Slim (with PCIe SafeSlot)
- Q-Antenna
- Q-Code
- Q-Dashboard
- Q-Connector
- Q-DIMM
- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
- Q-Slot
ASUS Thermal Solution
- M.2 heatsink backplate
- M.2 heatsink
- VRM heatsink design
ASUS EZ DIY
- BIOS FlashBack button
- Clear CMOS button
- CPU Socket lever protect
Shipping weight3.63 kg
Package size375 × 311 × 114 mm

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Questions about this item

What size DDR5 modules and how many slots does the ROG MAXIMUS Z890 APEX accept?

The board has two 288-pin DDR5 slots supporting modules up to 128GB total capacity.

Which CPU power connectors must be seated for the 22+2+1+2 stage VRM on this motherboard?

Both ProCool II 8-pin connectors need to be fully inserted; the lower one is often missed in tight builds.

How do I update the BIOS on the ROG MAXIMUS Z890 APEX without a CPU installed?

Use the USB BIOS FlashBack port on the rear I/O with a formatted USB drive and the latest firmware file.

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