ASUS ROG Maximus XII Extreme

Z490 · LGA1200 · E-ATX

General

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

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PCIe Version	3.0
PCIe x16 Slots	2
PCIe x1 Slots	0
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 Ports	6
Highest USB	USB 20 Gbps
RAID	0/1/5/10

Audio Codec	Realtek ALC1220, DAC (ESS ES9023P), DTS Sound Unbound, ASUS SupremeFX
LAN Chip	Marvell AQtion AQC107 (10Gb/s), Intel I225-V (2.5Gb/s)
Wireless	Wi-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 Header	No
BIOS Chip	32 MB
Dual BIOS	Yes
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)