The GIGABYTE Z97-HD3 R.2.1 is an Intel Z97 (LGA1150) ATX motherboard designed for 4th/5th Gen Intel Core processors. It features the Intel Z97 Express chipset with support for Dual Channel DDR3 memory up to 32GB (4 DIMM slots) at 1600/1333 MHz frequencies. The board includes 1 x PCI Express 3.0 x16 slot, 1 x PCI Express 2.0 x16 slot (running at x4), and 2 x PCI slots for expansion. Storage options consist of 6 x SATA 6Gb/s ports supporting RAID 0, 1, 5, and 10 configurations, plus 1 x M.2 Socket 2 conNECtor for SSDs. Integrated graphics output is provided via HDMI port with support for 4K resolution. Networking capabilities include Realtek GbE LAN chip (10/100/1000 Mbit). Additional features include High Definition Audio with 7.1-channel support, 4 x USB 3.0 ports (2 rear, 2 via header), 8 x USB 2.0 ports (4 rear, 4 via headers), and legacy PS/2 keyboard/mouse port. The motherboard utilizes Ultra Durable 4 Plus technology with high quality components including solid capacitors and anti-surge ICs for improved system stability and longevity. The board also features GIGABYTE UEFI DualBIOS technology with 3D BIOS interface for easy system configuration.