ASUS PRIME H670-PLUS D4 Motherboard


ASUS PRIME H670-PLUS D4 Motherboard Features

ASUS Prime series motherboards are expertly engineered to unleash the full potential of 13th & 12th Generation Intel® processors. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime H670 provides users and PC DIY builders a range of performance tuning options via intuitive software and firmware features.
  • Intel LGA 1700 socket: Ready for 12th Gen Intel Core, Pentium Gold and Celeron Processors
  • Ultrafast connectivity: PCIe 4.0 slots, three M.2 slots, Realtek 2.5Gb Ethernet and Thunderbolt 4 support
  • Comprehensive cooling: VRM heatsink, M.2 heatsink, PCH heatsink, hybrid fan headers and Fan Xpert 2+
  • ASUS OptiMem: Careful routing of traces and vias to preserve signal integrity for improved memory stability


ASUS PRIME H670-PLUS D4 Motherboard

ASUS PRIME H670-PLUS D4 Motherboard

ASUS PRIME H670-PLUS D4 Motherboard Overview

Utilize the power of the Intel 12th Generation Core processors for your business with the PRIME H670-Plus D4 LGA 1700 ATX Motherboard from ASUS. Powered by the Intel H670 chipset, this motherboard supports 12th Generation Intel processors with the LGA 1700 socket. Designed to deliver enterprise-class performance, this ATX motherboard takes advantage of the PCIe 4.0 data bandwidth to deliver high performance for demanding tasks such as video editing and rendering.

Install up to 128GB of DDR4 memory, reaching up to 5066 MHz when overclocked, thanks to the four memory slots. Additionally, this motherboard supports up to four SATA III drives and three M.2 drives for system storage. The PCIe 4.0 x16 slots can accommodate high-end graphics cards while the PCIe 3.0 x1 slots can accommodate compatible expansion cards. Additionally, you can opt to use the Intel CPU’s integrated graphics and connect a display to the motherboard’s HDMI or DisplayPort outputs. Connect peripherals such as keyboards and mice to the rear I/O panel’s USB 2.0 ports while reserving the USB 3.2 Gen 2 Type-C and Type-A ports for more resource-demanding peripherals such as external drives. Connect to a network with the 2.5Gb Ethernet LAN port and customize this motherboard to your liking thanks to both AuraSync technology and AURA RGB headers.

Intelligent Control

The Energy Processing Unit (EPU) automatically optimizes power consumption and maximizes energy savings with Away mode, a smart setting that creates an energy saving scenario by shutting down unused I/O controllers.

Fan Xpert 2+

ASUS Fan Xpert 2+ software provides comprehensive control over fans, water pumps, and all-in-one (AiO) coolers. Whether cooling with air or water, an Auto-Tuning mode intelligently configures all parameters with a single click. There’s also an Extreme quiet mode that reduces all fan speeds to below the default minimum to keep your system quiet when performing light tasks. Fans, water pumps, and AiO coolers can also be controlled via the UEFI BIOS.

Precise Digital Power Control

The Digi+ voltage-regulator module (VRM) delivers real-time control over voltage droop, automatically switching frequency and power-efficiency settings. It also allows you to fine-tune your CPU for ultimate stability and performance.

Advanced Tuning

An intuitive advanced mode offered via the UEFI lets you take complete control. A built-in search feature makes it easy to find options, and various advanced functions let you intelligently make nuanced adjustments so you can dial in performance just the way you want.

EZ Mode

EZ mode displays vital settings and stats and also offers guided wizards, drag-and-drop functionality, and one-click application of important settings.

M.2 Heatsink

The M.2 heatsink wards off throttling that can occur with M.2 storage during sustained transfers. The heatsink is held in place by captive screws.

VRM Heatsink and Thermal Pad

The VRM heatsink and thermal pad improves heat transfer from the MOSFETs and chokes for better cooling performance.

Cooler by Design

Each header can dynamically reference three thermal sensors. Fan Xpert 2+ allows you to map the temperature of supported ASUS graphics cards to optimize cooling for GPU- and CPU-intensive tasks. A dedicated integrated circuit protects each fan header from overheating and overcurrent, and each onboard header supports auto-detection of PWM or DC fans. Additionally, there is a dedicated PWM/DC header for self-contained water-cooling setups.

ProCool Connector

A proprietary connector augments the motherboard’s link to the PSU with an 8-pin connector that passes 12V of power directly to the processor. Each jack features solid pins that can handle more current than hollow-pin connectors.

DDR4-5066 (OC)

Improvements to trace routing design provide the latest Intel processors with enhanced access to memory bandwidth. ASUS OptiMem technology carefully maps memory signal pathways across different PCB layers to reduce path distance, ad it adds shielding zones that significantly reduce crosstalk.

Overvoltage Protection

An exclusive circuit design with built-in voltage regulators protects the motherboard from damage caused by unexpected high-level voltages from unstable or inferior power supplies.

DRAM Overcurrent Protection

Onboard resettable fuses protect against overcurrent and short-circuit damage. This extends beyond I/O ports to DRAM to safeguard the lifespan of your system and connected devices.


ASUS LANGuard is a hardware-level network protection feature that integrates advanced signal-coupling technology and premium anti-EMI surface-mounted capacitors to improve throughput and ensure a more reliable connection.

Three M.2 Slots

The Prime H670-PLUS D4 offers a total of three M.2 slots that support data-transfer speeds of up to 64 Gb/s via PCIe 4.0, enabling quicker boot-up and app load times with OS or application drives.

PCIe 4.0 Slot

The Prime H670 series of motherboards are designed specifically for 12th Generation Intel Core CPUs and offer PCIe 4.0 connectivity for the latest GPUs. The wide bandwidth and fast transmission speeds allow you to create feature-rich builds that can handle high loads.

USB 3.2 Gen 2 Type-C

Numerous USB ports support high-end rigs loaded with peripherals, including rear USB Type-C connectors with fast USB 3.2 Gen 2 for transmission speeds of up to 10 Gb/s.

Thunderbolt 4 Support

The Prime H670-PLUS D4 features Thunderbolt 4 support via an on-board header. With the latest Intel-certified ASUS Thunderbolt EX4 add-on card (sold separately), it can enable bi-directional speeds of up to 40 Gb/s on a single cable. Additionally, this card has a daisy-chain function for multi-screen connection and supports up to an 8K resolution display. It can also provide up to 100 watts of power to fast-charge devices.

Aura Sync

Aura Sync technology allows you to connect, customize, and control lighting equipment such as RGB LEDs and light strips on the onboard RGB headers. You can choose from a variety of lighting presets that include Static, Strobing, and Color Cycle. These presets can be synchronized with Aura-capable peripherals such as keyboards, mice, monitors, and more. The addressable Gen 2 RGB headers can detect the number of LEDs on a compatible device to further tailor the lighting effects.

Addressable Gen 2 Headers

Three addressable Gen 2 headers are capable of detecting the number of LEDs on second-gen addressable RGB devices, allowing the software to automatically tailor lighting effects to specific devices. The new headers also offer backward-compatibility with existing Aura RGB gear.

Armoury Crate

Armoury Crate is a software utility designed to give you centralized control of supported products. From a single interface, Armoury Crate allows you to easily customize RGB lighting and effects for every compatible device in your arsenal. The software also provides control of settings for an ever-growing number of ASUS products, including keyboard and mouse preferences. Armoury Crate even features dedicated product registration and news to help you stay in touch with the ASUS community.


The on-board Q-LED troubleshooting lights give PC builders a quick indicator to confirm that key components such as CPU, RAM, graphics card, and storage devices are functioning normally during startup.

SafeSlot Core+

SafeSlot Core+ is the ASUS-exclusive PCIe slot fortified with a one-piece stainless-steel brace that shields the slot to protect it from damage. The metal cover is tightly secured to the slot with hooks, and the entire assembly is firmly anchored to the PCB with strengthened solder points to provide a secure foundation for heavyweight graphics cards.

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