The ASUS PRIME B250M-D is a Micro ATX motherboard designed for Intel 7th/6th Gen Core processors with the LGA1151 socket. It features the Intel B250 chipset, supporting Dual Channel DDR4 memory up to 64GB across 4 DIMM slots with frequencies of 2400/2133MHz. The board includes 1 x PCIe 3.0 x16 slot for graphics cards, plus 1 x PCIe 3.0 x16 (max at x4 mode) and 2 x PCIe 3.0 x1 slots for expansion. Storage options consist of 6 x SATA 6Gb/s ports and 1 x M.2 Socket 3 (Key M) supporting PCIe 3.0 x4 and SATA modes. Networking is handled by Realtek Gigabit LAN, while audio is provided by Realtek ALC887 8-Channel High Definition Audio CODEC. Rear I/O includes 1 x PS/2 keyboard/mouse combo port, 1 x DVI-D, 1 x VGA, 1 x HDMI, 4 x USB 3.1 Gen 1 ports (blue), 2 x USB 2.0 ports, and 1 x RJ-45 port. The motherboard also features ASUS 5X Protection II for enhanced durability, including LANGuard, Overvoltage Protection, and stainless steel back I/O. Its compact 9.6" x 8.9" form factor makes it ideal for space-constrained builds.