The GIGABYTE P67A-UD3-B3 is an Intel P67 (LGA1155) ATX motherboard designed for 2nd Gen Intel Core processors. It features a 12+2 phase power design with high-quality components for stable overclocking, supporting Dual Channel DDR3 memory with frequencies up to 2133MHz(OC) across 4 DIMM slots. The board provides 2 PCIe 2.0 x16 slots (x16/x4), 3 PCIe x1 slots, and 1 PCI slot for expansion. Storage options include 4x SATA 6Gb/s ports (2 from P67 chipset + 2 via Marvell controller) and 4x SATA 3Gb/s ports, supporting RAID 0/1/5/10. ConNECtivity features include 2x USB 3.0 ports (via Renesas controller) and 8x USB 2.0 ports, with onboard headers for additional USB ports. Networking is handled by a Realtek Gigabit LAN controller (10/100/1000 Mbit). The motherboard features high-quality audio capacitors and supports 7.1-channel HD audio. Additional highlights include GIGABYTE's Ultra Durable 3 technology with 2oz copper PCB, On/Off Charge for quick device charging, and Smart 6 utility suite for system optimization. The board also includes a Q-Flash Plus feature for BIOS updates without CPU installation.