The Gigabyte 965P-S3 is an ATX motherboard designed for Intel's LGA 775 processors, featuring the Intel P965 chipset. It supports DDR2 memory and offers a range of connectivity options, including PCIe x16 slots, SATA II, and USB 2.0 ports. With solid build quality and stability, the 965P-S3 is an ideal choice for users looking to build or upgrade a system using older Intel processors, providing reliable performance for general computing tasks and light gaming.