ASUS ROG Maximus XII Extreme DDR4 Intel Motherboard
MPN ASUS-ROG-MAXIMUS-XII-EXTREME · Brand ASUS · E-ATX
The ASUS ROG Maximus XII Extreme is a flagship Intel Z490 Extended ATX motherboard for LGA 1200 processors, offering DDR4-4800 (O.C.) support, dual Ethernet (2.5G + 10G), Wi-Fi 6, four M.2 slots, and a comprehensive overclocking toolkit including LN2 Mode and a 2-inch LiveDash OLED
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Overview
The ASUS ROG Maximus XII Extreme is a flagship Extended ATX motherboard built on the Intel Z490 chipset, designed specifically for 10th Generation Intel Core, Pentium Gold, and Celeron processors using LGA Socket 1200. It measures 12 × 10.9 inches (30.5 × 27.7 cm) and supports Intel 14 nm CPUs along with Turbo Boost Technology 2.0 and Turbo Boost Max Technology 3.0. Memory flexibility is a standout attribute. Four DIMM slots accommodate up to 128 GB of non-ECC, unbuffered DDR4 RAM in dual-channel configuration. Via XMP and ASUS OptiMem III — a proprietary trace-layout technology that improves signal integrity and reduces noise — frequencies up to DDR4-4800 (O.C.) are supported, while native speeds run at up to 2933 MHz on Core i9/i7 processors. Storage is equally extensive: four M.2 slots in total (two via the bundled ROG DIMM.2 module, two onboard), eight SATA 6 Gb/s ports, RAID 0/1/5/10 support, Intel Rapid Storage Technology, and Intel Optane Memory readiness. Expansion is handled by two CPU-connected PCIe 3.0 x16 slots (x16 or dual x8) plus one Z490-connected PCIe 3.0 x4 slot, with support for 2-Way NVIDIA SLI and 3-Way AMD CrossFireX. Connectivity includes Intel Wi-Fi 6 (AX201, 802.11ax, up to 2.4 Gbps), Bluetooth 5.1, dual wired Ethernet (Intel I225-V 2.5GbE and Marvell AQtion AQC107 10GbE), and 22 total USB ports across rear and front headers — including one USB 3.2 Gen 2×2 Type-C at 20 Gbps. A Thunderbolt header and the included ThunderboltEX 3-TR card extend high-speed I/O further. Audio is delivered by the ROG SupremeFX S1220 codec featuring 7.1 surround, 120 dB SNR stereo playback, 113 dB SNR recording, ESS ES9023 DAC, RC4580 op-amp, and LED-illuminated jacks with optical S/PDIF output. For overclockers, the ROG Extreme OC Kit includes LN2 Mode, Slow Mode, Safe Boot, ReTry, and ProbeIt measurement points. Power delivery uses Infineon TDA21490 power stages, MicroFine Alloy Chokes, and 10K Black Metallic Capacitors. A 2-inch LiveDash OLED display, AURA Sync RGB headers (standard and Addressable Gen 2), and an Aura sync backplate complete the aesthetics package. Dual 256 Mb UEFI AMI BIOS ROMs with BIOS Flashback round out reliability features. Key Verified Specifications: • Chipset: Intel Z490 • Socket: LGA 1200 (10th Gen Intel Core / Pentium Gold / Celeron) • Form Factor: Extended ATX, 12 × 10.9 in (30.5 × 27.7 cm) • Memory: 4× DIMM, max 128 GB DDR4, up to 4800 MHz (O.C.), dual channel, XMP, OptiMem III • Storage: 4× M.2 (PCIe 3.0 ×4), 8× SATA 6 Gb/s, RAID 0/1/5/10 • PCIe: 2× PCIe 3.0 x16 (CPU), 1× PCIe 3.0 x4 (chipset) • LAN: Intel I225-V 2.5GbE + Marvell AQtion AQC107 10GbE • Wireless: Intel Wi-Fi 6 AX201 (802.11ax, 2×2, up to 2.4 Gbps), Bluetooth 5.1 • USB: 12 rear ports (1× USB 3.2 Gen 2×2, 3× Gen 2, 6× Gen 1, 2× USB 2.0); 10 front header ports • Audio: SupremeFX S1220, 7.1 surround, 120 dB SNR, optical S/PDIF • BIOS: 2× 256 Mb Flash ROM, UEFI AMI • Warranty: 3 Years
Datasheet
| Warranty | 3 Years |
|---|---|
| Form Factor | E-ATX |
| Chipset | Intel® Z490 |
| CPU Type | Intel® Socket 1200 for 10th Gen Intel® CoreTM, Pentium® Gold and Celeron® ProcessorsSupports Intel® 14 nm CPUSupports Intel® Turbo Boost Technology 2.0 and Intel® Turbo Boost Max Technology 3.0 |
| Lan | Intel® I225-V 2.5Gb EthernetMarvell® AQtion AQC107 10Gb EthernetASUS LANGuard |
| Bios | 2 x 256 Mb Flash ROM, UEFI AMI BIOS |
| Audio | ROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC S1220- Impedance sense for front and rear headphone outputs- Supports : Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback- High quality 120 dB SNR stereo playback output and 113 dB SNR recording input- ESS™ ES9023 DAC + RC4580 OP AMP- Supports up to 32-Bit/192kHz playbackLED-illuminated audio jacksAudio Feature :- SupremeFX Shielding™ Technology- Optical S/PDIF out port(s) at back panel- Premium Japanese audio capacitors- Audio Cover* Due to limitations in HDA bandwidth, 32-Bit/192kHz is not supported for 8-Channel audio |
| Memory | 4 x DIMM, Max. 128GB, 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 *Dual Channel Memory ArchitectureSupports Intel® Extreme Memory Profile (XMP)OptiMem III* 10th Gen Intel® Core™i9/i7 CPUs support 2933/2800/2666/2400/2133 natively, Refer to http://www.asus.com for the Memory QVL (Qualified Vendors Lists) |
| Storage | Total supports 4 x M.2 slots and 8 x SATA 6Gb/s portsIntel® 10th Gen Processors :1 x ROG DIMM.2 Module supports 2 M.2 Socket 3 , with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x 4 mode)*2Intel® Z490 Chipset :1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support*31 x M.2_2 socket 3, with M key, type 2242/2260/2280 storage devices support (PCIE 3.0 x 4 mode)8 x SATA 6Gb/s port(s)Support Raid 0, 1, 5, 10Intel® Rapid Storage Technology supportsIntel® Optane™ Memory Ready |
| Bluetooth | Bluetooth v5.1**BT 5.1 function will be ready in Windows 10 build 19041 or later |
| USB Ports | Rear USB Port ( Total 12 )1 x USB 3.2 Gen 2×2 port(s)3 x USB 3.2 Gen 2 port(s)(2 + Type-A +1 + USB Type-CTM)6 x USB 3.2 Gen 1 port(s)(6 x Type-A)2 x USB 2.0 port(s)(2 x Type-A)Front USB Port ( Total 10 )2 x USB 3.2 Gen 2 front panel connector port(s)4 x USB 3.2 Gen 1 port(s)4 x USB 2.0 port(s) |
| Accessories | User's manual1 x ROG logo plate sticker3 x M.2 Screw Package1 x MOS Cooling kit (fan bracket and 40mm x 40mm fan)1 x Fan Extension Card II (6 x 4-pin Chassis Fan connectors, 3 x RGB headers, 3 x 2-pin Thermal sensor header)1 x Fan Extension Card II power cable1 x Fan Extension Card II NODE connector cable1 x Fan Extension Card II screw package2 x mini DisplayPort Cable1 x ROG big sticker1 x Q-Connector1 x Wi-Fi Antenna(s)1 x Extension Cable for RGB strips (80 cm)1 x Extension cable for Addressable LED3 x Thermistor cable(s)1 x USB drive with utilities and drivers8 x ROG weave SATA 6G cable1 x ROG DIMM.2 with heatsink1 x M.2 Pad for ROG DIMM.22 x 2-in-1 Rubber pad1 x ROG Multi-Bit screwdriver1 x THUNDERBOLTEX 3-TR Card1 x ASUS TB header cable1 x USB2.0 CableROG key chain |
| Manageability | WOL by PME, PXE |
| Back I/O Ports | 1 x LAN (2.5G) port(s)1 x USB 3.2 Gen 2×2 port(s) (1 x USB Type-C®)3 x USB 3.2 Gen 26 x USB 3.2 Gen 12 x USB 2.01 x Optical S/PDIF out1 x Clear CMOS button(s)1 x USB BIOS FlashBack™ Button(s)1 x ASUS Wi-Fi Module5 x LED-illuminated audio jacks1 x Aquantia AQC-107 10G LAN port |
| Expansion Slots | Intel® 10th Gen Processors2 x PCIe 3.0 x16 (x16 or dual x8)Intel® Z490 Chipset1 x PCIe 3.0 x4 *1 |
| Multi-Gpu Support | Supports NVIDIA 2-Way SLI® TechnologySupports AMD 3-Way CrossFireX™ Technology |
| 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 SoftwareArmoury Crate- Aura Creator- Aura Sync- OLED DisplayAI Suite 3:- 5-Way Optimization with AI OverclockingTPUEPUDigi+ Power ControlFan Xpert 4Turbo app- EZ updateAI ChargerWinRARUEFI BIOSAI Overclocking GuideASUS EZ DIY- ASUS CrashFree BIOS 3- ASUS EZ Flash 3- ASUS UEFI BIOS EZ ModeFlexKey |
| Internal I/O Ports | 1 x CPU Fan connector(s)1 x CPU OPT Fan connector(s)2 x Chassis Fan connector(s)2 x W_PUMP+ connector1 x WB_SENSOR8 x Radiator Fan Headers1 x W_IN header1 x W_OUT header1 x W_FLOW header1 x Node Connector(s)1 x AAFP connector2 x Aura RGB Strip Headers2 x Addressable Gen 2 header(s)2 x USB 3.2 Gen2 connector support additional USB ports2 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 4 USB 3.2 Gen 1 port(s)2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)1 x M.2 Socket 1 with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode)1 x M.2 Socket 2 with M Key, type 2242/2260/2280 storage devices support (PCIE mode only)8 x SATA 6Gb/s connector(s)1 x Thunderbolt header(s)1 x 24-pin EATX Power connector(s)2 x 8-pin ATX 12V Power connector(s)1 x 4-pin EZ_PLUG Power connector(s)1 x Slow Mode switch(es)8 x ProbeIt Measurement Points1 x Thermal sensor connector(s)1 x BIOS Switch button(s)1 x LN2 Mode jumper(s)1 x Safe Boot button1 x ReTry button1 x System panel connector1 x Speaker connector1 x DIMM.2 Slot supports 2 M.2 drives (2242-22110)2 x RSVD Switch1 x Start button1 x FlexKey button |
| Asus Special Features | ROG Extreme OC kit- EZ PLUG- FlexKey button- LN2 Mode- Probelt- ReTry button- Safe boot button- Start button- Slow ModeExtreme Engine Digi+- 10K Black Metallic Capacitors- Infineon TDA21490 Power Stage- MicroFine Alloy ChokeASUS Q-Design- ASUS Q-Code- ASUS Q-Connector- ASUS Q-DIMM- ASUS Q-LED (CPU , DRAM , VGA , Boot Device )- ASUS Q-SlotASUS Thermal Solution- Aluminum M.2 heatsink cover- Steel backplateASUS EZ DIY- BIOS Flashback™ button- Clear CMOS button- Procool II- Pre-mounted I/O shield- SafeSlotAURA Sync- ROG Aura sync backplate- Standard RGB header(s)- Addressable Gen 2 RGB header(s)LiveDash OLED 2" |
| Wireless Data Network | Intel® Wi-Fi 6 AX2012x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) support 1024QAM/OFDMA/MU-MIMOSupports up to 2.4Gbps max data rateSupports dual band frequency 2.4/5 GHzSupports channel bandwidth: HT20/HT40/HT80/HT160Supports CNVI interface |




