ASUS Prime B660-PLUS D4
Overview
The ASUS Prime B660-PLUS D4 is a feature-rich ATX motherboard designed for Intel 12th and 13th Gen processors (LGA 1700). It strikes an ideal balance between performance, connectivity, and value, making it a top choice for gamers, content creators, and PC builders who want a reliable foundation without overspending.
Key Features and Performance
This motherboard supports DDR4 memory with speeds up to 5066 MHz (OC) across four slots, accommodating up to 128 GB. Dual-channel architecture and Intel XMP profiles ensure you can push your RAM to its limits for smoother multitasking and faster load times. The robust power delivery system, featuring 8+1 power stages, ensures stable operation even under heavy loads.
For graphics and storage, the Prime B660-PLUS D4 offers one PCIe 4.0 x16 slot (CPU lanes) for your GPU, plus a PCIe 3.0 x16 slot (x4 mode) and two PCIe 3.0 x1 slots for expansion cards. Three M.2 slots provide blazing-fast NVMe SSD support: M.2_1 (PCIe 4.0 x4 from CPU), M.2_2 (PCIe 4.0 x4), and M.2_3 (PCIe 4.0 x2). Additionally, four SATA 6 Gb/s ports support RAID 0/1/5/10 for flexible storage configurations.
Connectivity and Networking
Integrated Realtek 2.5Gb Ethernet with ASUS LANGuard provides low-latency, high-bandwidth networking—perfect for online gaming and large file transfers. The rear I/O panel includes a USB 3.2 Gen 2x2 Type-C port (20 Gbps), two USB 3.2 Gen 2 Type-A ports, and additional USB ports for all your peripherals. Video output options include DisplayPort 1.4, HDMI 2.1, and legacy D-Sub, allowing flexible multi-display setups.
For audio, the onboard 7.1-channel HD codec features premium capacitors and audio shielding, delivering crisp, immersive sound. An M.2 E-key slot lets you add Wi-Fi 6 or Bluetooth modules if needed.
Cooling and Durability
The Prime B660-PLUS D4 includes comprehensive cooling controls via Fan Xpert 2+, with multiple fan headers and support for water pumps. ASUS OptiMem II technology ensures signal integrity for memory stability, while SafeSlot Core+ reinforces the primary PCIe slot to protect against heavy GPUs.
Who Is It For?
Ideal for building a mid-range gaming PC, a workstation for content creation, or a reliable home server. It pairs perfectly with Intel Core i5 or i7 processors, offering ample features without the premium price of Z690 boards.
Key Specifications
Detailed Parameters
- Platform:
- Intel
- Socket:
- LGA 1700
- RAM Type:
- DDR4
- Number of RAM Slots:
- 4
- Maximum RAM/slot:
- 32
- Maximum RAM Capacity in GB:
- 128
- PCI Express Version:
- 4
- Form Factor:
- ATX
- Maximum RAM Speed in MHz:
- 5066
Pros
- Excellent value for Intel 12th/13th Gen builds
- Three M.2 slots with PCIe 4.0 support for fast NVMe SSDs
- 2.5Gb Ethernet for high-speed networking
- Robust power delivery and cooling features
- Legacy ports (VGA, COM) for industrial or older peripherals
Cons
- No built-in Wi-Fi (requires optional M.2 card)
- Only four SATA ports (limited for many HDDs)
- PCIe 3.0 x16 slot runs at x4 bandwidth