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ASUS ROG Maximus XII Extreme

Z490 · LGA1200 · E-ATX
ASUS ROG Maximus XII Extreme product image

General

ChipsetZ490
SocketLGA1200
Form FactorE-ATX

Highlights

Memory4× DDR4 · max 128 GB · 4800 MT/s
M.2 Slots4×
GPU Slots2× x16 · PCIe 3.0
Fastest USBUSB 20 Gbps
NetworkLAN 10 Gbps + 2.5 Gbps · Wi-Fi 6 · Bluetooth 5.2
Power Stages14+2 phases · 90 A

Manufacturer Links

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Memory

Memory TypeDDR4
Max RAM Speed4800 MT/s
Max RAM128 GB
DIMM Slots4
RAM Form FactorDIMM
ECC SupportNo

Expansion and Storage

PCIe Version3.0
PCIe x16 Slots2
PCIe x1 Slots0
PCIe Slot Modes
2× PCIe 3.0 x16 · electrical: 1× x16 + 1× x8
1× PCIe 3.0 x4
M.2 Slots
M.2_1: PCIe 3.0 x4
M.2_2: PCIe 3.0 x4
M.2_3: PCIe 3.0 x4
M.2_4: PCIe 3.0 x4 · SATA supported
SATA Ports6
Highest USBUSB 20 Gbps
RAID0/1/5/10

Power Delivery (VRM)

Phase Layout14+2
CPU Phases7
SoC Phases1
Amps per Phase90 A
PWM ControllerASP1405I (IR35201, max. 8 phases)
MOSFET14x 90A TDA21490 (SPS)

Connectivity and Audio

Audio CodecRealtek ALC1220, DAC (ESS ES9023P), DTS Sound Unbound, ASUS SupremeFX
LAN ChipMarvell AQtion AQC107 (10Gb/s), Intel I225-V (2.5Gb/s)
WirelessWi-Fi 6 · Bluetooth 5.2
Rear I/O
2× USB 2.0 Type-A
6× USB 5Gbps Type-A
2× USB 10Gbps Type-A
1× USB 10Gbps Type-C
1× USB 20Gbps Type-C
1× 2.5 Gbps LAN
1× 10 Gbps LAN
2× Wi-Fi antenna connector
5× Audio jacks (3.5 mm)
1× S/PDIF optical out
Front Panel Headers
4× USB 2.0
4× USB-A 5Gbps
2× USB-C 10Gbps
HD Audio (front audio)
Case Fan Headers
12× 4-pin PWM fan
2× Pump (liquid cooling)
RGB Header
2× ARGB (5V 3-pin)
2× RGB (12V 4-pin)
RGB Zones
RGB
4 zones (chipset heatsink, I/O cover, audio jacks, right side)
TPM HeaderNo
BIOS Chip32 MB
Dual BIOSYes
Special Features
Audio+solid capacitors
Diagnostic LED (LED indicators)
Diagnostic LED (segment display)
I/O shield integrated
Backplate
voltage measurement points
Display
4x M.2 passive heatsink
supports NVIDIA 2-Way-SLI (x8/x8)/AMD 3-Way-CrossFireX (x8/x8, x8/x8/x4)