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    ASUS PRIME B660M-A D4 LGA 1700 (Intel 12th & 13th Gen) mATX Motherboard (PCIe 4.0, DDR4, 2xM.2 slots, 1Gb LAN, DP, 2 x HDMI, rear USB 3.2 Gen 2, front USB 3.2 Gen 1 Type-C, Aura Sync)

    (182)(22) Write a Review
    • PRIME B660-PLUS D4
    • PRIME B660M-A D4
    • PRIME B660M-A WIFI D4
    • PRO B660M-C D4-CSM
    • PROART B660-CREATOR D4
    • ROG STRIX B660-A GAMING WIFI D4
    • ROG STRIX B660-I GAMING WIFI
    • TUF GAMING B660M-PLUS WIFI D4
    • Intel LGA 1700 socket: Ready for 12th & 13th Gen Intel Core processors and Windows 11. BIOS update may be required to boot the 13th gen Intel Core desktop processors
    • Ultrafast connectivity: PCIe 4.0, Intel 1 Gb Ethernet, rear USB 3.2 Gen 2 Type-A and front USB 3.2 Gen 1 Type-A and Type-C
    • ASUS OptiMem II: Careful routing of traces and vias, plus ground layer optimizations to preserve signal integrity for improved memory overclocking
    • Comprehensive cooling: VRM heatsink, M.2 heatsink, PCH heatsink, hybrid fan headers and Fan Xpert 2+
    🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available
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    Overview
    Specs
    Reviews (182)
    ASUS PRIME B660M-A D4 Motherboard

    PRIME

    ASUS Prime series motherboards are expertly engineered to unleash the full potential of 12th Generation Intel® processors. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime B660 provides users and PC DIY builders a range of performance tuning options via intuitive software and firmware features.

    ASUS PRIME B660M-A D4 offers a sleek, futuristic-looking build with a black and white finish, space-shuttle-inspired design elements, metallic nameplate and PCB cover.

    ASUS PRIME B660M-A D4 Motherboard
    ASUS PRIME B660M-A D4 Motherboard
    FLEXIBILITY

    Comprehensive controls form the foundation of the ASUS Prime series. The Prime B660 motherboard packs flexible tools to tune every aspect of your system, enabling performance tweaks to perfectly match the way you work to maximize productivity.

    Intelligent Control

    ASUS PRIME B660M-A D4 Motherboard

    EPU

    All-Around Energy Efficiency

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

    ASUS PRIME B660M-A D4 Motherboard

    Fan Xpert 2+

    Flexible Air- and Liquid-Cooling Controls

    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 whisper-quiet when performing light tasks. Fans, water pumps and AiO coolers can also be controlled via the UEFI BIOS.

    ASUS PRIME B660M-A D4 Motherboard

    Digi+ VRM Control

    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.

    UEFI BIOS

    The renowned ASUS UEFI BIOS provides everything you need to configure, tweak and tune your system. It offers intelligently simplified options for PC DIY beginners, as well as comprehensive features for seasoned veterans.

    Advanced Mode

    Advanced Tuning for Serious Tweakers

    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.

    ASUS PRIME B660M-A D4 Motherboard

    Search Function

    Quickly and easily find the option or setting you need.

    ASUS User Profile

    Port configuration settings between different BIOS versions or share them with friends.

    EZ Mode

    Quick and Simple Setup

    EZ mode displays vital settings and stats and also offers guided wizards, drag-and-drop functionality, and one-click application of important settings — all to help you get your rig up and running in no time.

    ASUS PRIME B660M-A D4 Motherboard

    EZ XMP

    Improve DRAM performance with one click.

    Aura On/Off Mode (Stealth)

    Easily enable or disable Aura RGB lighting or every onboard LED, for a subdued aesthetic touch.

    Intuitive Graphical Fan Control

    Fine-tune individual fan settings simply by dragging a curve with the mouse.

    COOLING

    Prime B660 series are engineered with multiple onboard heatsinks and an array of hybrid fan headers to ensure your rig stays cool and stable under intense workloads.

    Heatsinks

    M.2 Heatsink

    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.

    ASUS PRIME B660M-A D4 Motherboard

    VRM Heatsinks

    VRM Heatsink and Thermal Pad

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

    ASUS PRIME B660M-A D4 Motherboard

    Cooler by Design

    Prime B660 series feature comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS.

    Multiple Temperature Sources

    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.

    ASUS PRIME B660M-A D4 Motherboard

    Smart Protection

    A dedicated integrated circuit protects each fan header from overheating and overcurrent.

    ASUS PRIME B660M-A D4 Motherboard

    4-Pin PWM/DC Fan

    Each onboard header supports auto-detection of PWM or DC fans.

    ASUS PRIME B660M-A D4 Motherboard
    PERFORMANCE

    Prime B660 series are built to handle the additional cores and increased bandwidth of 12th Generation Intel® processors. ASUS B660 motherboards provide all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling and flexible transfer options.

    Robust Power Design

    Stable power is essential to extract every last bit of performance out of 12th Generation Intel processors. PRIME B660M-A D4 is geared to cater to the demands of these high-core-count CPUs.

    ASUS PRIME B660M-A D4 Motherboard
    ASUS PRIME B660M-A D4 Motherboard

    ProCool Connector

    Proprietary connector augments the motherboard's link to the PSU with 8 pin connector that passes 12 volts of power directly to the processors. Each jack features solid pins that can handle more current than hollow-pin connectors.

    Memory

    ASUS PRIME B660M-A D4 Motherboard

    DDR4

    DDR4 5333(OC)

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

    ASUS PRIME B660M-A D4 Motherboard

    ASUS OptiMem II

    Revisions to the motherboard’s trace routing provide the latest Intel processors with unrestricted access to memory bandwidth. ASUS OptiMem II technology carefully maps memory signal pathways across different PCB layers to reduce vias and adds shielding zones that significantly reduce crosstalk.

    Benefits of ASUS OptiMem II:

    • Improved memory stability and compatibility
    • Allows lower memory latencies at equivalent voltages
    • Improved memory frequency margin

    Motherboards with OptiMem II technology were tested with Synopsys HSPICE simulation software.

    Top layer – ground ring to prevent lateral interference

    ASUS PRIME B660M-A D4 Motherboard

    Storage

    Two M.2 slots (up to 64 Gbps)

    Prime B660M-A D4 offers a total of two M.2 slots that support data-transfer speeds of up to 64 Gbps via PCIe® 4.0, enabling quicker boot-up and app load times with OS or application drives.

    * Actual transmission speeds will be lower than the theoretical maximum speed.

    Connectivity

    ASUS PRIME B660M-A D4 Motherboard

    PCIe® 4.0

    PCIe® 4.0 Slot

    Prime B660 motherboards are designed specifically for 12th Generation Intel® Core™ CPUs and offer PCIe® 4.0 connectivity for the latest GPUs. The wide bandwidth and superfast transmission speeds allow you to create feature-rich builds that can handle high loads effortlessly.

    ASUS PRIME B660M-A D4 Motherboard

    USB 3.2 Gen 1 Type-C

    Numerous USB ports support high-end rigs loaded with peripherals, including front USB Type-C® connectors with fast USB 3.2 Gen 1 for transmission speeds of up to 5 Gbps.

    CUSTOMIZATION

    Prime B660 series add the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive RGB lighting controls that let you customize your system to create a uniquely personal look.

    Personalization

    ASUS PRIME B660M-A D4 Motherboard

    Aura Sync

    Outshine the Competition

    A well-tuned enthusiast system deserves a matching aesthetic. ASUS Aura offers full RGB lighting control with a variety of functional presets for the built-in RGB LEDs as well as strips and devices connected to the onboard RGB headers — and it can all be synced with an ever-growing portfolio of Aura-capable hardware.

    ASUS PRIME B660M-A D4 Motherboard

    Static

    ASUS PRIME B660M-A D4 Motherboard

    Breathing

    ASUS PRIME B660M-A D4 Motherboard

    Strobing

    ASUS PRIME B660M-A D4 Motherboard

    Rainbow

    ASUS PRIME B660M-A D4 Motherboard

    Color Cycle

    ASUS PRIME B660M-A D4 Motherboard

    Starry Night

    ASUS PRIME B660M-A D4 Motherboard

    Music Effect

    ASUS PRIME B660M-A D4 Motherboard

    Smart

    ASUS PRIME B660M-A D4 Motherboard

    Dark

    ASUS PRIME B660M-A D4 Motherboard

    Adaptive Color

    ASUS PRIME B660M-A D4 Motherboard

    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.

    ASUS PRIME B660M-A D4 Motherboard

    Armoury Crate

    Armoury Crate is a new software utility designed to give you centralized control of supported products. From a single intuitive 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.

    ASUS PRIME B660M-A D4 Motherboard

    Aura Sync

    ASUS PRIME B660M-A D4 Motherboard

    Driver & Manual Download

    ASUS PRIME B660M-A D4 Motherboard

    Account Management

    ASUS PRIME B660M-A D4 Motherboard

    Two-Way AI Noise Cancelation

    ASUS PRIME B660M-A D4 Motherboard

    Fan Xpert 2+

    DIY Friendly

    Q-LED

    Q-LED Core

    The Q-LED Core display produces light patterns by power LED during the Power-On Self-Test (POST) that can help users troubleshoot potential issues.

    No DRAM Detected

    Fast blinking

    4 Hz (0.25s)

    No VGA Detected

    Slow blinking

    1/2 Hz (2s)

    No Boot Device Detected

    Very slow blinking

    1/8 Hz (8s)

    Installation Completed

    Solid light

    ASUS PRIME B660M-A D4 Motherboard

    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.

    ASUS PRIME B660M-A D4 Motherboard

    Strengthened solder points around the PCIe and DIMM pins.

    ASUS PRIME B660M-A D4 Motherboard

    Metal inserts keep graphics cards properly aligned during installation.

    ASUS PRIME B660M-A D4 Motherboard

    The metal side-panels feature hooks that firmly clasp the slot body.

    ASUS PRIME B660M-A D4 Motherboard

    LANGuard

    Pumped-up throughput 2.5X higher surge tolerance

    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.

    ASUS PRIME B660M-A D4 Motherboard

    DRAM Overcurrent Protection

    Short-circuit damage prevention

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

    ASUS PRIME B660M-A D4 Motherboard

    Overvoltage Protection

    World-class circuit-protecting power design

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

    ASUS PRIME B660M-A D4 Motherboard

    Stainless-Steel Back I/O

    3X corrosion-resistance for greater durability

    Corrosion-resistant stainless-steel back I/O panels bonded with chromium oxide have a lifespan that's three times longer than ordinary panels.

    Note:
    • Specifications and features vary by model. All images are illustrative. Please refer to specifications for full details.

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