Micro‑ATX ASUS PRIME B250M‑K supports dual‑channel DDR4 up to 2400 MHz, Intel B250 chipset, Gigabit LAN, Realtek ALC887 7.1‑ch audio, one PCIe x16 slot, two PCIe x1 slots, six SATA III ports, an M.2 slot and four USB 3.0 plus two USB 2.0 connectors for flexible expansion.