The Gigabyte B75M-D3H is a micro ATX motherboard built around the Intel B75 chipset, designed for 2nd and 3rd generation Intel Core processors. It offers a range of features including support for DDR3 memory, SATA 6Gb/s, and USB 3.0 for faster data transfer. The board also includes PCIe slots for expansion, integrated Intel HD Graphics, and advanced connectivity options like Gigabit Ethernet and HDMI output. Ideal for building reliable mid-range systems, it combines solid performance with efficient power management.