ASUS ROG Maximus XII Extreme Intel Z490 LGA1200 E-ATX Desktop Motherboard


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Expertly tuned by our ROG Engineers to bring you the ultimate performance. Made to be extreme as the name suggested, is positioned for max performance water-cooling enthusiasts. Combining hardware and software, to achieve optimized overclocking, high-speed memory support and comprehensive water and fan cooling controls, Maximus XII Extreme delivers ultimate performance combined with efficient, reliable operation.

– E-ATX Form Factor
– Intel Z490 Chipset
– Socket LGA 1200 Comet Lake
– 4x DDR4 DIMM Slots, Supports up to 128GB
– Supports up to DDR4-4800(OC)
– 2x PCIe 3.0 x16 Slots, 1x PCIe 3.0 x4 Slots
– 8x SATA 6Gbps Ports, 2x M.2 M-Key Slots
– ROG DIMM.2 Module Supports Additional 2x M.2 M-Key Slots
– 1x USB 3.2 Gen 2×2 Type-C, 1x USB 3.2 Gen2 Type-C
– 2x USB 3.2 Gen2 Type-A, 6x USB 3.2 Gen1 Type-A
– 2x USB 2.0 Type-A, 1x USB BIOS FlashBack Button
– 16 Power Phase Design
– Intel WiFi 6 (AX201) Module
– ASUS Safe Slot
– 1x AQUANTIA AQC-107 10 Gigabit LAN
– 1x Intel 2.5 Gigabit LAN Port
– ROG SupremeFX 7.1 S1220 HD Audio CODEC
– 3 Year Warranty


In stock

Brand ASUS
Series ROG
CPU Intel Socket 1200 for 10th Gen Intel Core, Pentium Gold and Celeron Processors
Supports Intel 14 nm CPU
Supports Intel Turbo Boost Technology 2.0 and Intel Turbo Boost Max Technology 3.0**
*Refer to www.asus.com for CPU support list
**Intel Turbo Boost Max Technology 3.0 support depends on the CPU types.
Chipset Intel Z490
Memory 4x 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 Architecture
Supports Intel Extreme Memory Profile (XMP)
OptiMem III
*10th Gen Intel Corei9/i7 CPUs support 2933/2800/2666/2400/2133 natively, Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
Multi-GPU Support Supports NVIDIA 2-Way SLI Technology
Supports AMD 3-Way CrossFireX Technology
Expansion Slots Intel 10th Gen Processors
2x PCIe 3.0 x16 (x16 or dual x8)
Intel Z490 Chipset
1x PCIe 3.0 x4 *1
Storage Total supports 4 x M.2 slots and 8 x SATA 6Gb/s ports
Intel 10th Gen Processors :
1x 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)*2
Intel Z490 Chipset :
1x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support*3
1x M.2_2 socket 3, with M key, type 2242/2260/2280 storage devices support (PCIE 3.0 x 4 mode)
8x SATA 6Gb/s port(s)
Support Raid 0, 1, 5, 10
Intel Rapid Storage Technology supports
Intel Optane Memory Ready
LAN Intel I225-V 2.5Gb Ethernet
Marvell AQtion AQC107 10Gb Ethernet
Wireless Data Network Intel Wi-Fi 6 AX201
2×2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) support 1024QAM/OFDMA/MU-MIMO
Supports up to 2.4Gbps max data rate
Supports dual band frequency 2.4/5 GHz
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.
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
– 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 playback
LED-illuminated audio jacks
Audio 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.
USB Ports Rear USB Port ( Total 12 )
1x USB 3.2 Gen 2×2 port(s)
3x USB 3.2 Gen 2 port(s)(2 Type-A 1 USB Type-CTM)
6x USB 3.2 Gen 1 port(s)(6 x Type-A)
2x USB 2.0 port(s)(2 x Type-A)
Front USB Port ( Total 10 )
2x USB 3.2 Gen 2 front panel connector port(s)
4x USB 3.2 Gen 1 port(s)
4x USB 2.0 port(s)
Back I/O Ports 1x LAN (2.5G) port(s)
1x USB 3.2 Gen 2×2 port(s) (1 x USB Type-C)
3x USB 3.2 Gen 2
6x USB 3.2 Gen 1
2x USB 2.0
1x Optical S/PDIF out
1x Clear CMOS button(s)
1x USB BIOS FlashBack Button(s)
1x ASUS Wi-Fi Module
5x LED-illuminated audio jacks
1x Aquantia AQC-107 10G LAN port
Internal I/O Ports 1x CPU Fan connector(s)
1x CPU OPT Fan connector(s)
2x Chassis Fan connector(s)
2x W_PUMP connector
8x Radiator Fan Headers
1x W_IN header
1x W_OUT header
1x W_FLOW header
1x Node Connector(s)
1x AAFP connector
2x Aura RGB Strip Headers
2x Addressable Gen 2 header(s)
2x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 4 USB 3.2 Gen 1 port(s)
2x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
1x M.2 Socket 1 with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode)
1x M.2 Socket 2 with M Key, type 2242/2260/2280 storage devices support (PCIE mode only)
8x SATA 6Gb/s connector(s)
1x Thunderbolt header(s)
1x 24-pin EATX Power connector(s)
2x 8-pin ATX 12V Power connector(s)
1x 4-pin EZ_PLUG Power connector(s)
1x Slow Mode switch(es)
8x ProbeIt Measurement Points
1x Thermal sensor connector(s)
1x BIOS Switch button(s)
1x LN2 Mode jumper(s)
1x Safe Boot button
1x ReTry button
1x System panel connector
2x USB 3.2 Gen 2 front panel connector
1x Speaker connector
1x DIMM.2 Slot supports 2 M.2 drives (2242-22110)
2x RSVD Switch
1x Start button
1x FlexKey button
Accessories User’s manual
1x ROG logo plate sticker
3x M.2 Screw Package
1x MOS Cooling kit (fan bracket and 40mm x 40mm fan)
1x Fan Extension Card II (6 x 4-pin Chassis Fan connectors, 3 x RGB headers, 3 x 2-pin Thermal sensor header)
1x Fan Extension Card II power cable
1x Fan Extension Card II NODE connector cable
1x Fan Extension Card II screw package
2x mini DisplayPort Cable
1x ROG big sticker
1x Q-Connector
1x Wi-Fi Antenna(s)
1x Extension Cable for RGB strips (80 cm)
1x Extension cable for Addressable LED
3x Thermistor cable(s)
1x USB drive with utilities and drivers
8x ROG weave SATA 6G cable
1x ROG DIMM.2 with heatsink
2x M.2 Pad for ROG DIMM.2
1x 2-in-1 Rubber pad
1x ROG Multi-Bit screwdriver
1x ASUS TB header cable
1x USB2.0 Cable
ROG key chain
Manageability WOL by PME, PXE
Form Factor Extended ATX Form Factor
30.5 cm x 27.7 cm
Note *1 PCIEx4 slot shares bandwidth with SATA6G_56 and PCIEx4 slot is default set at x2 mode. Please adjust BIOS settings to enable Thunderbolt card.
*2 The DIMM.2 Slots are disabled by default. Please adjust BIOS settings to enable DIMM.2 Slots.
*3 When M.2_1 is operating in SATA mode, SATA6G_2 will be disabled.
*4 USB 3.2 Gen 2×2 works at PCIe 3.0 x2 speeds
Warranty Information
Warranty 3 Year Warranty

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