Features o Intel(R) LGA 1700 socket: Ready for 12th Gen Intel(R) processors o Ultrafast connectivity : PCIe 4. 0, Intel(R) 1 Gb Ethernet ,rear USB 3. 2 Gen 2 Type-A and front USB 3. 2 Gen 1 Type-A and Type-C(R) o ASUS Opti Mem II: Careful routing of traces and vias, plus ground layer optimizations to preserve signal integrity for improved memory overclocking o Comprehensive cooling: VRM heatsink, M. 2 heatsink, PCH heatsink, hybrid fan headers and Fan Xpert 2+ ASUS Prime series motherboards are expertly engineered to unleash the full potential of 12th Generation Intel(R) processors. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime B660 provides users and PC DIY builders a range of performance tuning options via intuitive software and firmware features. ASUS PRIME B660M-A D4 offers a sleek, futuristic-looking build with a black and white finish, space-shuttle-inspired design elements, metallic nameplate and PCB cover. FLEXIBILITY Comprehensive controls form the foundation of the ASUS Prime series. The Prime B660 motherboard packs flexible tools to tune every aspect of your system, enabling performance tweaks to perfectly match the way you work to maximize productivity. All-Around Energy Efficiency The Energy Processing Unit (EPU) automatically optimizes power consumption and maximizes energy savings with Away mode – a smart setting that creates an extreme energy-saving scenario by shutting down unused I/O controllers. Advanced Tuning for Serious Tweakers An intuitive Advanced mode offered via the UEFI lets you take complete control. A built-in search feature makes it easy to find options, and various advanced functions let you intelligently make nuanced adjustments so you can dial in performance just the way you want. Multiple Temperature Sources Each header can dynamically reference three thermal sensors. Fan Xpert 2+ allows you to map the temperature of supported ASUS graphics cards to optimize cooling for GPU- and C