Asus ROG Maximus XII Extreme

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 Architecture
Supports Intel Extreme Memory Profile (XMP)
OptiMem III

Multi-GPU Support
Supports NVIDIA 2-Way SLI Technology
Supports AMD 3-Way CrossFireX Technology

Expansion Slots
Intel 10th Gen Processors
2 x PCIe 3.0 x16 (x16 or dual x8)
Intel Z490 Chipset
1 x PCIe 3.0 x4 *1

Storage
Total supports 4 x M.2 slots and 8 x SATA 6Gb/s ports
Intel 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)*2
Intel 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*3
1 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, 10
Intel Rapid Storage Technology supports
Intel Optane Memory Ready

LAN
Intel I225-V 2.5Gb Ethernet
Marvell AQtion AQC107 10Gb Ethernet
ASUS LANGuard

Wireless Data Network
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
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.