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ASUS Prime B660-Plus D4 ATX Motherboard for Intel LGA1700 CPUs
ASUS PRIME B660-PLUS D4: ATX motherboard with Intel LGA1700 socket, supports up to 128GB DDR4 memory and provides multiple expansion slots.
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ASUS Prime B660-Plus D4 ATX Motherboard Overview
The ASUS Prime B660-Plus D4 is a high‑performance ATX motherboard engineered for Intel’s 12th and 13th generation Core, Pentium Gold, and Celeron processors. Built around the robust Intel B660 chipset, it delivers a balanced blend of power delivery, connectivity, and expandability suitable for enthusiasts, content creators, and mainstream users alike.
Key Design Features
- 8‑Phase VRM Power Delivery: The motherboard incorporates an 8‑phase voltage regulator module that ensures stable power to the CPU, enabling reliable overclocking within safe limits.
- Dual‑Channel DDR4 Memory Support: Supports up to 128 GB of DDR4 RAM across four DIMM slots, with a maximum speed of 5066 MHz (OC). The ASUS OptiMem design preserves signal integrity for high‑frequency memory configurations.
- PCIe 4.0 & PCIe 3.0 Slots: One full‑size PCIe 4.0 x16 slot (x16 mode) and one PCIe 3.0 x16 slot (configured as x4) provide ample bandwidth for GPUs, NVMe SSDs, or other expansion cards.
- M.2 Slots with PCIe Gen4 Support: Four M.2 slots (Key M and Key E) support PCIe 4.0 or SATA modes, allowing multiple high‑speed NVMe drives or RAID configurations.
- Comprehensive I/O Panel: Includes HDMI, DisplayPort 1.4, VGA, USB 3.2 Gen 2x2 Type‑C (rear), USB 3.2 Gen 1 Type‑C (front), multiple USB 3.0/2.0 ports, and a Realtek 2.5 GbE Ethernet port.
- Audio & Video Integration: Realtek high‑definition audio with 7.1‑channel support, integrated graphics compatibility (CPU dependent), and front panel audio jacks for convenient connectivity.
- Robust Cooling Options: Supports one CPU fan header, one AIO pump header, and three chassis fan headers, ensuring effective thermal management for both the processor and system case.
- Advanced Connectivity Headers: Includes USB 3.0 internal header, TPM (SPI) header, Thunderbolt header, and front panel connectors for power, reset, audio, and more.
- Aura Sync RGB Integration: Three 3‑pin ARGB headers and two 4‑pin RGB headers allow full control of lighting through ASUS Aura Sync software.
- RAID & Storage Flexibility: Supports RAID 0, 1, 5, and 10 across the four SATA III ports, enabling high‑performance storage arrays.
Form Factor & Physical Dimensions
The motherboard adheres to the standard ATX form factor, measuring 244 mm in length. Its layout places critical components such as VRM heatsinks, M.2 slots, and PCIe slots strategically for optimal airflow and cable management.
BIOS & Firmware
The board ships with a 128 MB UEFI AMI BIOS, featuring an intuitive interface that supports overclocking profiles, voltage tuning, fan curves, and integrated RGB control. The firmware is regularly updated to maintain compatibility with the latest Intel processors and peripheral technologies.
Connectivity & Expansion
- USB Ports: One rear USB‑C (Gen 2x2), two rear USB‑3.0, one front USB‑3.0, and four USB‑2.0 ports.
- Video Outputs: HDMI, DisplayPort 1.4, VGA (for legacy GPUs).
- Network: Realtek 2.5 GbE Ethernet for high‑speed wired connections; no built‑in Wi‑Fi.
- Audio: 7.1‑channel Realtek HD audio with front panel headphone and microphone jacks.
- SATA & NVMe: Four SATA III connectors (6 Gb/s) and four M.2 slots for SSDs or RAID arrays.
- Expansion Slots: One PCIe 4.0 x16, one PCIe 3.0 x16 (x4), two PCIe 3.0 x1 slots.
Power & Thermal Management
The motherboard requires a standard 24‑pin ATX power connector and an 8‑pin EPS connector. The 8‑phase VRM design, coupled with large heatsinks and multiple fan headers, ensures stable operation even under heavy workloads or overclocked conditions.
Software & Driver Support
ASUS provides comprehensive driver packages for all onboard components, including chipset, audio, LAN, USB, and RGB. The Aura Sync software allows users to synchronize lighting across compatible devices, while the BIOS offers advanced settings for performance tuning.
Target Audience & Use Cases
- Gaming Builds: PCIe 4.0 GPU support, high‑speed storage, and robust power delivery make it ideal for gaming rigs.
- Content Creation: Dual-channel DDR4 memory, multiple NVMe slots, and ample USB connectivity cater to video editing, 3D rendering, and audio production workflows.
- Workstations & Home Offices: Reliable performance with Intel Core processors, integrated graphics options, and extensive I/O for peripherals.
- Enthusiast Overclockers: The 8‑phase VRM and BIOS tuning features provide a solid foundation for safe overclocking of compatible CPUs.
Conclusion
The ASUS Prime B660-Plus D4 ATX Motherboard stands out as a versatile, feature‑rich platform that balances performance, expandability, and reliability. Its combination of high‑speed connectivity, robust power delivery, and comprehensive software support makes it an excellent choice for users looking to build a future‑proof system around Intel’s latest processors.
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| Identifiers | |
| Brand |  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. |
| MPN | ASUS 4389340 |
| ID | 27706000 |
| Dimensions / Weight | |
| Key Features | |
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64-bit Support Indicates whether the product can run or is compatible with a 64‑bit operating system or architecture. A value of "Yes" means the device supports 64‑bit software, while "No" indicates it does not.
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Yes |
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Audio line in ports Indicates how many audio input connectors are available on the product, such as 3.5 mm jacks, mini‑jacks or optical inputs. The value is a simple integer representing the total count of these ports, regardless of their specific type or version.
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1 x 3.5mm Jack |
| BIOS | 128 Mb Flash ROM, UEFI AMI BIOS |
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Chassis intrusion connector Indicates whether a computer chassis includes a dedicated intrusion connector, which allows the attachment of security or monitoring devices to detect unauthorized access. A value of "Yes" means the connector is present; "No" means it is absent.
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1 x Chassis Intrusion header |
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Chipset manufacturer The company that designs and produces the chipset used in a motherboard or other computer component. This value helps users identify the source of the chipset technology, assess compatibility, support, and performance expectations.
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Intel |
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Cooling fan support A list of the fan header types that a motherboard or system board provides for connecting cooling fans and related components such as water pumps or chassis fans. Each entry describes a specific header, e.g., "CPU Fan", "Chassis Fan", "System Fan", "Water Pump Fan" or combinations thereof. The values are typically separated by commas or spaces and may include multiple headers in one string.
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1 x CPU fan header1 x AIO pump header3 x Chassis fan headers |
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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.
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Socket 1700 |
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DisplayPorts The total count of DisplayPort interfaces available on the product. This value indicates how many separate DisplayPort connections can be used for video output, allowing multiple monitors or devices to be connected simultaneously.
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1 x DisplayPort 1.4 |
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DVI connection Indicates whether the product includes a DVI (Digital Visual Interface) port for video output. A value of "Yes" means the device has a DVI connector; "No" means it does not.
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No |
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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.
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ATX Motherboard |
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Front panel connectors A comma‑separated or bullet‑pointed enumeration of the input and output connectors that are mounted on the front side of a product, such as USB ports, audio jacks, HDMI, DVI, RJ‑45, optical audio, etc. The list shows which interfaces are available for external devices and helps users determine connectivity options.
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1 x Front Panel1 x Front Audio |
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Integrated Network The model or designation of the network interface controller integrated into a device, such as "Intel I225V" or "Realtek RTL8111H". It identifies the specific hardware responsible for wired Ethernet connectivity and allows users to compare performance, compatibility, and supported speeds across products.
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Realtek |
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Length The linear dimension of a product measured in a standard unit such as meters, centimeters or inches. It represents the overall size along one axis and is used to compare physical dimensions across similar items.
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244 mm |
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Maximum Installed Processors The highest number of processor units that a computer or electronic device can accommodate, as determined by its motherboard or system architecture. This count indicates the maximum CPU capacity for parallel processing and is useful when comparing multi‑core or multi‑socket systems.
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0 (1) |
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Maximum RAM The largest amount of random‑access memory (RAM) that a device 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.
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131072 MB |
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Memory Bus Speed The maximum theoretical speed at which the system bus can transfer data, expressed in hertz (Hz) or commonly as megahertz (MHz). It indicates the bandwidth capacity of the internal communication pathway between components such as the CPU and memory or peripheral devices.
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5066 MHz |
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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.
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Dual |
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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.
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DDR4 |
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Motherboard chipset The model of the motherboard’s chipset, indicating the family of supported processors and integrated features such as I/O interfaces, memory support, and peripheral connectivity.
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Intel B660 |
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Motherboard form factor The physical layout and size classification of a motherboard, such as ATX, Micro‑ATX, Mini‑ITX, or other standardized formats. It indicates the dimensions, mounting points, and expansion capabilities that determine compatibility with computer cases and components.
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ATX |
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Motherboard Model The specific name or part number of a motherboard, such as "ASUS PRIME Z270-A" or "MSI B350M PRO-VDH." It identifies the exact board used in a computer system and allows users to compare features, compatibility, and specifications across different models.
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ASUS Prime B660-Plus D4 |
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Motherboard Power Connectors The pin configuration of the power connector(s) used by a motherboard, expressed as a textual description such as "4 + 8-Pin" or "4-Pin x 2". It indicates how many pins are present in each connector and whether multiple connectors are required for proper operation.
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8-Pin |
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Network Speeds Supported A list of the maximum data transfer rates that a network interface can support, expressed in bits per second or common abbreviations such as Gbps or Mbps. Each value indicates a speed that the device is capable of achieving over a wired connection.
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Up to 2.5 Gbps |
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Number of PCI Express Slots The total count of PCI Express expansion slots available on the product, regardless of their lane configuration (x1, x4, x8, or x16). This value indicates how many separate PCI Express interfaces can be used to install cards such as graphics, network, or storage adapters.
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1 x PCI Express 4.0 x16 slot1 x PCI Express 3.0 x16 slot (@ x4)2 x PCI Express 3.0 x1 slots |
| On-board Audio Type | 7.1 |
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On-board RGB Control Indicates whether a product has integrated RGB lighting that can be controlled directly from the board or motherboard, and if so, which software or firmware interface is used (e.g., Aura Sync, Mystic Light, RGB Fusion). This attribute helps users identify compatibility with RGB management tools and understand how to customize lighting effects.
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ASUS Aura Sync |
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Operating Systems Supported A list of operating system names and versions that the product can run or support, including specific architectures when relevant. Each value represents a distinct OS that is compatible with the hardware or software.
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Microsoft Windows 11 / 10 64-bit |
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Power connector port Specifies the type and configuration of power connectors present on a computer or electronic device, such as ATX, EPS, CPU, or 12V sockets, including pin counts and optional secondary pins (e.g., "1 x 20+4-pin ATX"). The value is a textual description that conveys which power ports are available for connecting the system’s power supply.
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1 x 24-pin ATX1 x 8-pin EPS |
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RAID Format A list of supported RAID configurations that a storage controller or motherboard can implement, such as "0", "1", "5", "6", "10" and special modes like "JBOD". Each value represents an available combination of disk redundancy and performance options for the device.
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RAID 0, 1, 5, 10 |
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RGB Header Type The type of RGB header present on a motherboard or other electronic component, indicating the pin configuration used for connecting RGB lighting strips or devices. Common values include "None", "3‑Pin ARGB" and "4‑Pin RGB". This attribute helps users determine compatibility with RGB accessories and understand how many pins are required for proper operation.
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3-Pin ARGB |
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RJ-45 ports Represents the total count of RJ‑45 Ethernet interfaces present on a product. Each port can accept a standard Ethernet cable for wired network connectivity.
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1 x RJ-45 |
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Supported processors A list of processor models or families that a product can run or is compatible with, such as Intel Core generations, AMD Ryzen series, or specific socket types. Each value represents a distinct CPU option the device supports.
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12th Gen Intel Core, Pentium Gold and Celeron Processors |
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