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Main image of ASUS ROG MAXIMUS XII EXTREME (WiFi 6) LGA 1200 Intel Z490 SATA 6Gb/s Extended ATX Intel Motherboard (16 Power Stages, Quad M.2, 10Gbps & Intel 2.5Gb LAN, Bundled Fan Extension Card II & ThunderboltEX 3-TR Card, 2" Livedash OLED)

Alt view image 2 of 6 - ASUS ROG MAXIMUS XII EXTREME (WiFi 6) LGA 1200 Intel Z490 SATA 6Gb/s Extended ATX Intel Motherboard (16 Power Stages, Quad M.2, 10Gbps & Intel 2.5Gb LAN, Bundled Fan Extension Card II & ThunderboltEX 3-TR Card, 2" Livedash OLED)

Alt view image 3 of 6 - ASUS ROG MAXIMUS XII EXTREME (WiFi 6) LGA 1200 Intel Z490 SATA 6Gb/s Extended ATX Intel Motherboard (16 Power Stages, Quad M.2, 10Gbps & Intel 2.5Gb LAN, Bundled Fan Extension Card II & ThunderboltEX 3-TR Card, 2" Livedash OLED)

Alt view image 4 of 6 - ASUS ROG MAXIMUS XII EXTREME (WiFi 6) LGA 1200 Intel Z490 SATA 6Gb/s Extended ATX Intel Motherboard (16 Power Stages, Quad M.2, 10Gbps & Intel 2.5Gb LAN, Bundled Fan Extension Card II & ThunderboltEX 3-TR Card, 2" Livedash OLED)

Alt view image 5 of 6 - ASUS ROG MAXIMUS XII EXTREME (WiFi 6) LGA 1200 Intel Z490 SATA 6Gb/s Extended ATX Intel Motherboard (16 Power Stages, Quad M.2, 10Gbps & Intel 2.5Gb LAN, Bundled Fan Extension Card II & ThunderboltEX 3-TR Card, 2" Livedash OLED)

Alt view image 6 of 6 - ASUS ROG MAXIMUS XII EXTREME (WiFi 6) LGA 1200 Intel Z490 SATA 6Gb/s Extended ATX Intel Motherboard (16 Power Stages, Quad M.2, 10Gbps & Intel 2.5Gb LAN, Bundled Fan Extension Card II & ThunderboltEX 3-TR Card, 2" Livedash OLED)

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ASUS ROG MAXIMUS XII EXTREME (WiFi 6) LGA 1200 Intel Z490 SATA 6Gb/s Extended ATX Intel Motherboard (16 Power Stages, Quad M.2, 10Gbps & Intel 2.5Gb LAN, Bundled Fan Extension Card II & ThunderboltEX 3-TR Card, 2" Livedash OLED)

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Option: ROG MAXIMUS XII EXTREME

PRIME Z490M-PLUS
PRIME Z490-A
PRIME Z490-P
ROG MAXIMUS XII APEX
ROG MAXIMUS XII EXTREME
ROG MAXIMUS XII FORMULA
ROG MAXIMUS XII HERO (WI-FI)
ROG STRIX Z490-A GAMING
ROG STRIX Z490-E GAMING
ROG STRIX Z490-F GAMING
ROG STRIX Z490-H GAMING
ROG STRIX Z490-I GAMING
TUF GAMING Z490-PLUS (WI-FI)

Intel LGA 1200 socket: Designed to unleash the maximum performance of 10th Gen Intel Core processors
Extreme Power Solution: features 16 infineon TDA21490 power stages, each rated to handle 90 amps, high-quality alloy chokes and durable capacitors
Superb Thermal Design: Extra-large heatsinks for VRM, chipset and M.2 slots, solid steel backplate, multiple fan headers and a bundled fan extension card, features AI cooling to balance thermals and acoustics by reducing fan speeds and maintaining a 5 Celsius delta
Fastest Gaming Connectivity: Intel WiFi 6 AX201 (802.11 ax), Dual Ethernet with Marvell AQtion 10Gb and Intel 2.5Gb Ethernet with LANGaurd technology, Quad M.2 slots with Dimm.2, 2 x USB 3.2 Gen 2 front panel connectors
Unmatched Personalization: 2" Livedash OLED, ASUS-exclusive Aura Sync RGB lighting, including RGB headers and Gen 2 addressable headers

Overview

Specs

Reviews (770)

Model
Brand	ASUS
Series	ROG
Model	MAXIMUS XII EXTREME

Supported CPU
CPU Socket Type	LGA 1200
CPU Type	Intel Socket LGA1200 for 10th Gen Intel Core, Pentium Gold and Celeron processors* * Refer to www.asus.com for CPU support list.
Supported CPU Technologies	Supports Intel Turbo Boost Technology 2.0 and Intel Turbo Boost Max Technology 3.0 Intel Turbo Boost Max Technology 3.0 support depends on the CPU types.

Chipsets
Chipset	Intel Z490

Memory
Number of Memory Slots	4x288pin (DDR4)
Memory Standard	DDR4 4800(O.C.)/ 4700(O.C)/ 4600(O.C)/ 4500(O.C)/ 4400(O.C)/ 4266(O.C.)/ 4133(O.C.)/ 4000(O.C.)/ 3866(O.C.)/ 3733(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3400(O.C.)/ 3333(O.C.)/ 3200(O.C.)/ 3000(O.C.)/ 2933/ 2800/ 2666/ 2400/ 2133 MHz Non-ECC, Un-buffered Memory * * 10th Gen Intel Core i9/i7 CPUs support 2933/ 2800/ 2666/ 2400/ 2133 natively, Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
Maximum Memory Supported	128GB
Channel Supported	Dual Channel

Expansion Slots
PCI Express 3.0 x16	2 x PCIe 3.0 x16 slots (support x16 or x8/x8 modes)
PCI Express x4	1 x PCIe 3.0 x4 slot* * PCIEx4 slot shares bandwidth with SATA6G_56 and PCIEx4 slot is default set at x2 mode.

Storage Devices
Serial ATA (SATA)	8 x SATA 6Gb/s
M.2	Intel 10th Gen Processors DIMM.2_1 slot (Key M) via ROG DIMM.2, type 2242/2260/2280/22110 (supports PCIe 3.0 x4 mode)* DIMM.2_2 slot (Key M) via ROG DIMM.2, type 2242/2260/2280/22110 (supports PCIe 3.0 x4 mode)* Intel Z490 Chipset M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes)** M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 mode) * The DIMM.2 Slots are disabled by default. Please adjust BIOS settings to enable DIMM.2 Slots. ** When M.2_1 is operating in SATA mode, SATA6G_2 will be disabled.
Intel Optane Ready	Yes
SATA RAID	0/1/5/10

Onboard Audio
Audio Chipset	ROG SupremeFX High Definition Audio CODEC S1220
Audio Channels	8 Channels * Due to limitations in HDA bandwidth, 32-Bit/192kHz is not supported for 8-Channel audio.

Onboard LAN
LAN Chipset	AQUANTIA AQC107
Second LAN Chipset	Intel I225-V
Max LAN Speed	10Gbps + 2.5Gbps
Wireless LAN	Intel Wi-Fi 6 AX201 2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) support 1024QAM/OFDMA/MU-MIMO Supports up to 2.4Gbps max data rate Support 2.4/5GHz Dual-Band Supports channel bandwidth: HT20/HT40/HT80/HT160 Supports CNVI interface
Bluetooth	Bluetooth v5.1* * BT 5.1 function will be ready in Windows 10 build 19041 or later.

Rear Panel Ports
Back I/O Ports	1 x USB 3.2 Gen 2x2 port(s) (1 x USB Type-C) 3 x USB 3.2 Gen 2 port(s) (2 x Type-A + 1 x USB Type-C) 6 x USB 3.2 Gen 1 port(s) (6 x Type-A) 2 x USB 2.0 port(s) (2 x Type-A) 1 x ASUS Wi-Fi Module 1 x Intel I225-V Ethernet port 1 x Marvell AQtion AQC107 10Gb Ethernet port 5 x LED-illuminated audio jacks 1 x Optical S/PDIF out port 1 x BIOS FlashBack button 1 x Clear CMOS button

Internal I/O Connectors
Onboard USB	2 x USB 3.2 Gen 2 Front Panel connectors (support(s) USB Type-C) 2 x USB 3.2 Gen 1 header(s) support(s) additional 4 USB 3.2 Gen 1 ports 2 x USB 2.0 header(s) support(s) additional 4 USB 2.0 ports
Other Connectors	Fan and cooling related 1 x 4-pin CPU Fan header(s) 1 x 4-pin CPU OPT Fan header(s) 2 x 4-pin Chassis Fan header(s) 8 x 4-pin Radiator Fan header(s) 2 x W_PUMP+ header(s) 1 x WB_SENSOR header(s) 1 x 2-pin Water In header 1 x 2-pin Water Out header 1 x 3-pin Water Flow header 1 x NODE header Miscellaneous 2 x AURA Addressable Gen 2 header(s) 2 x AURA RGB header(s) 1 x BIOS Switch button 1 x FlexKey button 1 x Front Panel Audio header (AAFP) 1 x LN2 Mode jumper 8 x ProbeIt Measurement Points 1 x ReTry button 2 x RSVD switch 1 x Safe Boot button 1 x Slow Mode switch 1 x Speaker header 1 x Start button 1 x 10-1 pin System Panel header 1 x Thermal Sensor header 1 x Thunderbolt header

Physical Spec
Form Factor	Extended ATX
LED Lighting	RGB
Dimensions (W x L)	12.0" x 10.9"
Power Pin	1 x 24-pin Main Power connector 2 x 8-pin +12V Power connector 1 x 4-Pin EZ_PLUG connector

Features
Features	Multi-GPU Support: Supports NVIDIA 2-Way SLI Technology Supports AMD 3-Way CrossFireX Technology Special Features: ROG Extreme OC kit - EZ PLUG - FlexKey button - LN2 Mode - Probelt - ReTry button - Safe boot button - Start button - Slow Mode Extreme Engine Digi+ - 10K Black Metallic Capacitors - Infineon TDA21490 Power Stage - MicroFine Alloy Choke ASUS Q-Design - ASUS Q-Code - ASUS Q-Connector - ASUS Q-DIMM - ASUS Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green]) - ASUS Q-Slot ASUS Thermal Solution - Aluminum M.2 heatsink cover - Steel backplate ASUS EZ DIY - BIOS Flashback button - Clear CMOS button - Procool II - Pre-mounted I/O shield - SafeSlot AURA Sync - ROG Aura sync backplate - Standard RGB header(s) - Addressable Gen 2 RGB header(s) LiveDash OLED 2" Software Features: ROG Exclusive Software - Mem Tweakit - RAMCache III - ROG CPU-Z - GameFirst VI - Sonic Studio III + Sonic Studio Virtual Mixer - Sonic Radar III - DTS Sound Unbound - Overwolf - BullGuard Internet Security (1-year full version) ASUS Exclusive Software Armoury Crate - Aura Creator - Aura Sync - OLED Display AI Suite 3: - 5-Way Optimization with AI Overclocking TPU EPU Digi+ Power Control Fan Xpert 4 Turbo app - EZ update AI Charger WinRAR UEFI BIOS AI Overclocking Guide ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash 3 - ASUS UEFI BIOS EZ Mode FlexKey BIOS: 2 x 256MB Flash ROM, UEFI AMI BIOS Manageability: WOL by PME, PXE Operating System: Windows 10 - 64-bit

Packaging
Package Contents	Accessories: Cables 1 x Addressable RGB extension cable 1 x RGB extension cable 8 x ROG weave SATA 6G cables 1 x 3-in-1 Thermistor cables pack Additional Cooling Kit 1 x Fan bracket 1 x ROG assistant fan (40mm) Fan Extension Card II 1 x Fan Extension Card II 1 x Fan Extension Card II power 1 x Fan Extension Card II NODE connector cable 1 x Fan Extension Card II screw package ROG DIMM.2 with Heatsink 1 x ROG DIMM.2 with heatsink 2 x M.2 pad for ROG DIMM.2 2 x M.2 screw package for ROG DIMM.2 THUNDERBOLTEX 3-TR 1 x THUNDERBOLTEX 3-TR Card 2 x Mini DisplayPort cables 1 x ASUS TB header cable 1 x USB2.0 Cable Miscellaneous 1 x M.2 Rubber Package(s) 1 x M.2 SSD screw package(s) 1 x Q-connector 1 x ROG key chain 1 x ROG logo plate stickers 1 x ROG multi-bit screwdriver 1 x ROG stickers 1 x ASUS 2x2 dual band Wi-Fi moving antennas Installation Media 1 x USB drive with utilities and drivers Documentation 1 x User manual

Additional Information
First Listed on Newegg	March 15, 2026

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ASUS ROG MAXIMUS XII EXTREME (WiFi 6) LGA 1200 Intel Z490 SATA 6Gb/s Extended ATX Intel Motherboard (16 Power Stages, Quad M.2, 10Gbps & Intel 2.5Gb LAN, Bundled Fan Extension Card II & ThunderboltEX 3-TR Card, 2" Livedash OLED)

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ASUS ROG MAXIMUS XII EXTREME (WiFi 6) LGA 1200 Intel Z490 SATA 6Gb/s Extended ATX Intel Motherboard (16 Power Stages, Quad M.2, 10Gbps & Intel 2.5Gb LAN, Bundled Fan Extension Card II & ThunderboltEX 3-TR Card, 2" Livedash OLED)

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