ASUS PRIME B660M-A D4-CSM LGA1700 Micro-ATX Intel B660 DDR4 Motherboard
ASUS PRIME B660M-A D4-CSM micro-ATX motherboard for Intel 12th Gen. LGA1700 socket, Intel B660 chipset, DDR4 up to 5333MHz (128GB max), 2x M.2 PCIe Gen4, 4x SATA III, Gigabit LAN.
Please Note
The website is currently being actively developed, you are welcome to place the order and in 99% of the cases your order will be processed as usual, but in some cases there may be a delay or the price may change. We will notify you if there are any issues.
Discontinued
This item was discontinued and currently is not available for order on our website. The item may become available soon. Please contact us if you need more information regarding the upcoming arrivals.
| Motherboards - CPU Socket | LGA 1700 |
|---|---|
| Motherboards - Chipset | Intel B660 |
| Motherboards - Form Factor | Micro-ATX |
| Motherboards - Memory Type | DDR4 |
| Motherboards - Memory Slots | 4 |
| Motherboards - Max Memory Capacity | 128 GB |
| Motherboards - Main Slot PCIe Version | PCIe 4.0 |
| Motherboards - Color | Black |
| Motherboards - M.2 Slots | 2 |
| Motherboards - SATA Ports | 4 |
| Motherboards - USB-C Support | Front Panel Type-C header |
| Motherboards - RGB Headers | None |
| Motherboards - Wireless Connectivity | None |
The ASUS PRIME B660M-A D4-CSM is a budget-friendly micro-ATX motherboard designed for Intel's 12th Generation Alder Lake processors. Built on the Intel B660 chipset with LGA1700 socket compatibility, this board supports DDR4 memory up to 5333MHz with a maximum capacity of 128GB across four DIMM slots. It delivers reliable performance for mainstream computing, gaming, and office workloads without unnecessary premium features.
Connectivity and storage options are well-rounded for the price point. The motherboard features two M.2 slots with PCIe Gen4 x4 support for fast NVMe SSDs, four SATA III 6.0Gbps ports for traditional drives, and Gigabit Ethernet for network connectivity. The rear I/O includes two HDMI ports (v2.1), one DisplayPort (v1.4), multiple USB ports (USB 3.2 Gen 2 and Gen 1), and USB-C headers for front panel connectivity. Audio is handled by a Realtek ALC897 codec with 7.1-channel support, while passive cooling keeps the board compact and quiet.
The CSM variant is optimized for corporate and commercial deployments, featuring consistent internal header positioning across ASUS generations for simplified lifecycle management. The board includes helpful debugging features such as Q-LED diagnostics to troubleshoot POST issues. With its compact micro-ATX form factor (244mm x 244mm), it fits into space-constrained builds while maintaining full-size feature support.
- Intel LGA1700 socket for 12th Gen Core, Pentium, and Celeron processors
- 4x DDR4 DIMM slots supporting up to 128GB at 5333MHz maximum
- 2x M.2 PCIe Gen4 x4 slots for high-speed NVMe storage
- 4x SATA III 6.0Gbps ports with RAID 0/1/5/10 support
- Gigabit Ethernet (1GbE) for wired network connectivity
- Dual HDMI 2.1 and single DisplayPort 1.4 video outputs
- USB-C header support for front panel Type-C connectivity
- Realtek ALC897 audio codec with 7.1-channel output
- Passive cooling design with compact micro-ATX form factor
| Processor Socket | LGA1700 |
| Chipset | Intel B660 |
| Form Factor | Micro-ATX (244mm x 244mm) |
| Memory Type | DDR4-SDRAM (Non-ECC) |
| Memory Slots | 4x DIMM |
| Memory Channels | Dual-channel |
| Maximum Memory Capacity | 128GB |
| SATA Ports | 4x SATA III 6.0Gbps |
| RAID Support | RAID 0, 1, 5, 10 |
| Supported Processors | Intel 12th Gen Core (Alder Lake), Pentium Gold, Celeron |