ASUS Prime B660-Plus D4 ATX Motherboard for Intel LGA1700 CPUs

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.