The ASUS Prime B660M-A D4 motherboard is based on the Intel B660 chipset and supports Intel processors for the 12th generation LGA 1700 socket. It features two DDR4 DIMM slots operating in dual-channel mode for up to 64 GB of memory. Additional features of the ASUS Prime B660M-A D4 include one PCIe 4.0 x16 slot and two PCIe 3.0 x1 slots. Furthermore, the ASUS Prime B660M-A D4 offers 8-channel audio, a Gigabit LAN interface, four SATA3 ports, two M.2 slots, and a variety of USB interfaces.