ASUS ROG Maximus XII Extreme Quad M.2 OptiMem III

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Identifiers
MPN ASUS ROG MAXIMUS XII EXTREME
Dimensions / Weight
Key Features
AMD CrossFire Support
Indicates whether the product supports AMD CrossFire technology, which allows multiple graphics cards to work together for improved performance. The value is a textual description such as "2-Way CrossFire", "3-Way CrossFire", "Supported" or "Not Supported".
3-Way CrossFire
Audio
A list of the audio codecs, channel configurations, and related technologies that a product can play or output. Each value may combine a codec name (e.g., Dolby Digital, DTS‑HD), a channel count (e.g., 5.1, 7.1), and optional qualifiers such as "High Definition" or "Virtual Surround" to describe the exact audio capability of the device.
ROG SupremeFX 8-Ch. HD Audio S1220
BIOS type
The firmware interface used by a computer system to initialize hardware and load the operating system, such as UEFI or legacy BIOS. It indicates whether the motherboard supports modern features like secure boot, fast startup, or compatibility with older operating systems.
UEFI AMI
Board dimensions
The physical footprint of a board expressed as width × height in millimetres, centimetres, inches or other linear units. It indicates the space required to mount the board inside a computer case and helps determine compatibility with chassis sizes such as ATX, Micro‑ATX, Mini‑ITX, etc.
305 x 277 mm
Cables included
A list of the cable types that are supplied with the product, such as USB, HDMI, VGA, DisplayPort, LAN (RJ‑45), SATA, audio or other relevant connectors.
USB
Chipset
The chipset is the collection of integrated circuits that manages communication between a computer’s CPU, memory, and peripheral devices. It defines the supported processor families, available I/O interfaces, and overall system capabilities, allowing users to understand compatibility and feature sets for motherboards or other hardware components.
Intel Z490
Clear CMOS button
Indicates whether the product includes a clear‑CMOS jumper—a small connector that allows resetting the CMOS memory to factory defaults. A value of "Yes" means the jumper is present and can be used for troubleshooting or configuration reset; "No" indicates it is absent.
Yes
Compatible processor series
List of processor families that the product can support, such as Intel Celeron, Intel Core i5, AMD Ryzen 3, etc. Each value represents a distinct CPU family or brand that is compatible with the hardware platform.
Intel® Celeron®, Intel Pentium G
Component for
Specifies the type of device or system that the product is intended to be used with, such as a PC, server, notebook, surveillance system, or other electronic equipment. The value represents a single category and can be used to filter or group products by their target platform.
PC
Cooling
The type of cooling mechanism used by a product, such as active fan‑based cooling, passive heat sinks, liquid cooling, or no active cooling. It indicates whether the device relies on airflow, conduction, or other methods to dissipate heat and helps users assess thermal performance and noise levels.
Passive Heatsinks
CPU Socket
The physical connector used by a processor to attach to a motherboard or other compatible platform, such as LGA 1151, BGA 1440, Socket AM4, or LGA 1200. This attribute indicates the exact socket designation required for proper CPU installation and compatibility with other hardware components.
1200
Edition
A brief statement indicating the edition or version of a product, such as "Reprint", "New Edition", or a numeric edition number like "2nd edition". It identifies which specific release of the item is being referenced.
ROG MAXIMUS XII EXTREME
Ethernet interface type
A list of the Ethernet standards that a product supports, such as Fast Ethernet (10/100 Mbps), Gigabit Ethernet (1 Gbps), 2.5 GbE, 10 GbE, and other variants. Each value is a free‑text label describing one supported interface; multiple values are separated by commas when the device offers more than one speed or generation.
2.5 Gigabit Ethernet
Ethernet LAN ports
Represents the total count of Ethernet LAN (RJ‑45) interfaces available on a product. The value is an integer indicating how many physical Ethernet ports are present, regardless of speed or generation.
1
Form factor
Specifies the physical configuration or design of a product, such as ATX, Micro‑ATX, Mini‑ITX, tower, case with cover, etc. It describes how the device is built and what mounting or expansion options it supports.
E-ATX
Integrated Graphics
Indicates whether a device includes an integrated graphics processor, and if so, provides the model or resolution it supports. Typical values are "Yes" or "No", but may also include specific GPU models (e.g., "Intel UHD Graphics 620") or screen resolutions (e.g., "1920x1080"). This attribute helps users determine whether a device can render graphics without a discrete GPU and what performance level to expect.
Discrete GPU Required for Graphics Output
LAN controller
The specific model or designation of the LAN (network) controller integrated into a device, such as "Intel I219-V" or "Realtek RTL8111H." This value identifies the exact network interface hardware used for Ethernet connectivity, enabling users to compare performance, compatibility, and support across products.
Aquantia AQtion AQC107
Maximum internal memory
The largest amount of internal random‑access memory that a device can support, expressed as a data size such as megabytes or gigabytes. It indicates the maximum capacity for active processes and multitasking performance.
131072 MB
Maximum memory capacity
The largest amount of random‑access memory that a motherboard can support, expressed as a data size such as megabytes or gigabytes. It indicates the upper limit of memory capacity for active processes and multitasking performance on systems using this board.
128GB
Memory channel
The number of memory channels supported by a motherboard or processor, indicating how many independent data paths are available for RAM modules. Common values include "Single", "Dual (2)", "Quad (4)" and similar descriptors. This attribute helps users understand the potential memory bandwidth and upgrade options for a system.
Dual (2)
Memory channels
The configuration of memory channels supported by a device, indicating how many independent memory paths the system can use for data transfer (e.g., Dual‑channel, Quad‑channel). This attribute helps users understand the potential bandwidth and performance characteristics of the memory subsystem.
Dual-channel
Memory slots type
The form factor of the memory module that a product can accept, such as DIMM or SO‑DIMM. It indicates whether the device uses standard desktop RAM modules (DIMM) or smaller laptop‑style modules (SO‑DIMM).
DIMM
Memory type
The classification of the memory technology used in a device, such as DDR4 SDRAM, LPDDR3, GDDR6, or other variants. It indicates the architecture and generation of the RAM modules installed or supported by the product.
DDR4
Memory Type ECC
Indicates whether the memory module supports Error‑Correcting Code (ECC) technology, which can detect and correct single-bit errors during operation.
Non-ECC
Memory Type R/U
The type of memory module used in a computer system, indicating whether it is Registered (R) or Unbuffered (U). This attribute helps determine compatibility with motherboards and the expected performance characteristics of the RAM.
UDIMM (Unbuffered)
Motherboard chipset family
The chipset family identifies the group of integrated circuits that manage communication between a computer’s CPU, memory, and peripheral devices on a motherboard. It indicates the supported processor families, available I/O interfaces, and overall system capabilities, helping users assess compatibility and feature sets for motherboards or other hardware components.
Intel
Network Chip
The model or identifier of the integrated network controller that provides wired Ethernet connectivity for a device. It indicates which chipset is used to manage packet transmission and reception over the LAN port, helping users compare performance, compatibility, and support across different hardware models.
1 x Intel (2.5GbE LAN) 1 x Intel 802.11ax WiFi + BT5 Module 1 x Marvell AQtion AQC107 10GbE
Network Interface Type
The type of network connection supported by the product, such as wired Ethernet (e.g., Gigabit LAN, 2.5 Gbps LAN) or wireless Wi‑Fi standards (e.g., 802.11ac, 802.11ax). It indicates whether the device can connect to a local area network via cable, wirelessly, or both, and may include the maximum speed supported.
802.11ax WiFi LAN Wired 10G LAN Wired 2.5 Gigabit LAN (10/100/1000/2500)
On-Board Graphics Connectors
A list of the physical connector types available on a device’s onboard graphics output, such as HDMI, DisplayPort, DVI‑D, or VGA. This attribute helps users identify which video ports are directly integrated into the motherboard or system board for connecting displays.
None
Primary GPU Interface
The physical or logical interface used by a graphics processing unit to connect with the rest of the system, such as PCI Express (PCIe) variants. It indicates the technology that enables data transfer and power delivery between the GPU and the motherboard.
PCIe 3.0 (x16)
QPI Speed
The maximum data transfer rate of the QuickPath Interconnect (QPI) interface, expressed in gigatransfers per second (GT/s). This value indicates the bandwidth available for communication between processors and other system components.
N/A
RAID Support via
A comma‑separated list of the RAID configurations that a storage controller or device can manage, such as 0, 1, 5, 10, or JBOD. Each value represents a distinct RAID level that the product supports.
Intel® SATA RAID 0/1/10/5
SATA Support
A list of SATA interface variants that the product supports, such as SATA III (SATA3), SATA II, or M.2 SATA. Each value indicates a specific SATA standard that the device can use for connecting storage devices.
SATA3 / M.2
USB 3.2 Gen 1
The total count of USB 3.2 Gen 1 (also known as USB 3.1 Gen 1 or SuperSpeed) ports available on the device, indicating how many peripherals can be connected simultaneously via this interface.
6
Water Cooled
Indicates whether a product uses water as its cooling medium. A value of "Yes" means the device incorporates a liquid‑cooling system that circulates water to dissipate heat, while "No" indicates it relies on air or other cooling methods.
No
Wi-Fi standards
A list of the wireless networking protocols and frequency bands that a device can connect to, such as 802.11a, 802.11b, 802.11g, Wi‑Fi 4 (802.11n), Wi‑Fi 5 (802.11ac) or Wi‑Fi 6 (802.11ax). The values are typically separated by commas and may include both the technical name and a consumer‑friendly label.
802.11a,802.11b,802.11g,Wi-Fi 4 (802.11n),Wi-Fi 5 (802.11ac),Wi-Fi 6 (802.11ax)
ASUS

Asus is a Taiwanese electronics company that produces a wide range of products, including laptops, desktops, mobile phones, tablets, and servers. Asus is best known for its laptops, which are often praised for their quality, features, and design.