Model

Brand

ASUS

Series

ROG

Model

Maximus X Code

Supported CPU

CPU Socket Type

LGA 1151 (300 Series)

CPU Type

Intel Socket 1151 for 8th Generation Core Processors
* Not backward compatible with older generation of LGA 1151 CPUs.

Supported CPU Technologies

Supports Intel Turbo Boost Technology 2.0
* The Intel Turbo Boost Technology 2.0 support depends on the CPU types.

Chipsets

Chipset

Intel Z370

Onboard Video

Onboard Video Chipset

Integrated Graphics Processor
Multi-VGA output support: HDMI/DisplayPort 1.2 ports
- Supports HDMI with max. resolution 4096 x 2160 @ 24 Hz
- Supports DisplayPort with max. resolution 4096 x 2304 @ 60 Hz
Maximum shared memory of 1024MB

Memory

Number of Memory Slots

4×288pin

Memory Standard

DDR4 4133(O.C.)/ 4000(O.C.)/ 3866(O.C.)/ 3733(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3400(O.C.)/ 3333(O.C.)/ 3300(O.C.)/ 3200(O.C.)/ 3000(O.C.)/ 2800(O.C.)/ 2666(O.C.)/ 2400(O.C.)/ 2133*
* Hyper DIMM support is subject to the physical characteristics of individual CPUs.

Maximum Memory Supported

64GB

Channel Supported

Dual Channel

Expansion Slots

PCI Express 3.0 x16

2 x PCIe 3.0/2.0 x16 (x16, x8/x8, or x8/x4+x4)
1 x PCIe 3.0/2.0 x16 (x4 mode, black) *
* The PCIe x4_3 slot shares bandwidth with PCIex1_3. The PCIe x4_3 is default set at x2 mode.

PCI Express x1

3 x PCIe 3.0/2.0 x1

Storage Devices

SATA 6Gb/s

6 x SATA 6Gb/s

M.2

1 x M.2 Socket 3, with M Key, type 2242/2260/2280/22110 storage devices support (both SATA & PCIE mode)*
1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x4 mode)**
* When the M.2_1 Socket 3 is operating in SATA mode, SATA port 1 will be disabled.
** When the M.2_2 Socket 3 is operating in PCIe 3.0 x4 mode, SATA ports 5 and 6 will be disabled.

SATA RAID

0/1/5/10

Onboard Audio

Audio Chipset

ROG SupremeFX High Definition Audio CODEC S1220

Audio Channels

8 Channels

Onboard LAN

LAN Chipset

Intel I219-V

Max LAN Speed

10/100/1000Mbps

Wireless LAN

Wi-Fi 802.11 a/b/g/n/ac
Supports dual band frequency 2.4/5 GHz
Supports MU-MIMO

Bluetooth

Bluetooth V4.2

Rear Panel Ports

HDMI

1 x HDMI

RJ45

1 x RJ45

DisplayPort

1 x DisplayPort

USB 3.1

1 x USB 3.1 Gen 2 (red) Type-A
1 x USB 3.1 Gen 2 (black) USB Type-C
4 x USB 3.1 Gen 1 (blue)

USB 1.1/2.0

4 x USB 2.0

S/PDIF Out

1 x Optical

Audio Ports

5 Ports

Antenna Connectors

1 x ASUS 2x2 Wi-Fi 802.11 a/b/g/n/ac and Bluetooth v4.2 module

Internal I/O Connectors

Onboard USB

1 x USB 3.1 Gen 2 front panel connector
1 x USB 3.1 Gen 1 connector(s) support(s) additional 2 USB 3.1 Gen 1 port(s)
1 x USB 2.0 connector(s) support(s) additional 2 USB 2.0 port(s)

Other Connectors

2 x Aura Addressable Strip Header(s)
2 x Aura RGB Strip Headers
1 x CPU Fan connector(s) (1 x 4-pin)
1 x CPU OPT Fan connector(s) (1 x 4-pin)
3 x Chassis Fan connector(s) (3 x 4-pin)
1 x H_AMP fan connector
1 x W_PUMP+ connector (1 x 4-pin)
1 x AIO_PUMP connector (1 x 4-pin)
1 x Front panel audio connector(s) (AAFP)
1 x System panel(s) (Q-Connector)
1 x MemOK! button(s)
1 x Slow Mode switch(es)
1 x Reset button(s)
1 x LN2 Mode jumper(s)
1 x Safe Boot button
1 x ReTry button
1 x EXT_Fan header
1 x W_IN header
1 x W_OUT header
1 x W_FLOW header
1 x Thermal sensor connector
1 x Start button

Physical Spec

Form Factor

ATX

LED Lighting

RGB

Dimensions (W x L)

12.0" x 9.6"

Power Pin

1 x 24-pin EATX Power connector(s)
1 x 8-pin ATX 12V Power connector(s)

Features

Features

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

ROG Exclusive Features:
Clear CMOS button
ROG Armor
ROG RAMCache II
ROG CPU-Z
ROG CloneDrive
Pre-mounted I/O Shield
MemOK! Button
Slow Mode
Overwolf
ReTry Button
Safe Boot Button
Start Button
Reset Button
LN2 Mode
GameFirst IV
Extreme Engine Digi+: 
- MicroFine Alloy Chokes
- NexFET Power Block MOSFET
- 10K Black Metallic Capacitors
KeyBot II
- X.M.P.
- ClrCMOS
- Power On
UEFI BIOS features: 
- O.C. Profile
- Tweakers' Paradise
- ROG SSD Secure Erase
- Graphic Card Information Preview
ROG RAMDisk
Extreme Tweaker
USB BIOS Flashback

Special Features:
ASUS Dual Intelligent Processors 5-Way Optimization by Dual Intelligent Processors 5: 
- 5-Way Optimization tuning key perfectly consolidates TPU, EPU, DIGI+ VRM, Fan Expert 4, and Turbo App
Gamer's Guardian:
- SafeSlot
LiveDash OLED 1.3"
AURA: 
- Aura Lighting Control
- Aura RGB Strip Headers
- Aura Lighting Effects Synchronization with compatible ASUS ROG devices
- Aura Addressable Strip Header(s)
ASUS Exclusive Features: 
- MemOK!
- AI Suite 3
ASUS EZ DIY: 
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS USB BIOS Flashback
ASUS Q-Design: 
- ASUS Q-Code
- ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED)
- ASUS Q-Slot
- ASUS Q-DIMM
- ASUS Q-Connector
Overclocking Protection: 
- ASUS C.P.R. (CPU Parameter Recall)

BIOS:
1 x 128MB Flash ROM, UEFI AMI BIOS, PnP, DMI3.0, WfM2.0, SM BIOS 3.0, ACPI 6.0, Multi-language BIOS, ASUS EZ Flash 3, CrashFree BIOS 3, F11 EZ Tuning Wizard, F6 Qfan Control, F3 My Favorites, Last Modified log, F12 PrintScreen, F3 Shortcut functions and ASUS DRAM SPD (Serial Presence Detect) memory information

Operating System:
Windows 10 64-bit

Packaging

Package Contents

Accessories:
User's manual
1 x ROG logo plate sticker
4 x SATA 6Gb/s cable(s)
1 x M.2 Screw Package
1 x CPU installation tool
1 x Supporting DVD
1 x ASUS 2T2R dual band Wi-Fi moving antennas (Wi-Fi 802.11a/b/g/n/ac compliant)
1 x SLI HB BRIDGE (2-WAY-M)
1 x ROG big sticker
1 x Q-Connector
1 x M.2 bracket
1 x Extension Cable for RGB strips (80cm)
1 x Extension cable for Addressable LED
1 x ROG coaster(s)
1 x USB 3.1 Gen 1 Header to USB 2.0 adapter cable