# ASUS Prime B660M-A AC D4 LGA 1700(Intel 12th Gen) mATX Motherboard (PCIe 4.0,DDR4,2X M.2 PCIe 4.0 Slots,Wi-Fi 5,Front USB 3.2 Gen 1 Type-C, Addressable Gen 2 headers,ASUS 5X Protection III)

- Category: Motherboard
- Brand: ASUS
- Model: B660M-A AC D4
- Part number: PRIME B660M-A AC D4
- Price (US): $119.99
- Price last checked: 2026-08-07
- Rating: 4.5/5 from 7 Amazon reviews
- Warranty: 3 years
- Product page: https://buildmypc.net/component-details/motherboard/asus-b660m-a-ac-d4-prime-b660m-a-ac-d4/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | ASUS |
| Model | B660M-A AC D4 |
| Socket Type | LGA 1700 |
| Chipset | Intel B660 |
| Form Factor | Micro ATX |
| Memory Type | 4 x DDR4 |
| Max Memory Support | 128 GB |

## Key Features

- Intel LGA 1700 socket: Ready for 12th Gen Intel Core, Pentium Gold and Celeron Processors
- Ultrafast connectivity : Intel Wi-Fi 5, 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+
- CEC Tier II ready

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