This iMac 820-3126-A A1311 Logic Board Assembly comes with a powerful 2.5 GHz Core i5 CPU, making it an excellent choice for anyone looking for a high-performance computing experience. The motherboard features two memory slots and is compatible with DDR3 SDRAM memory type, making it easy to upgrade your system's memory to meet your needs. This motherboard and CPU combo is ideal for those who want to build or upgrade their desktop computer. The Apple brand motherboard is of excellent quality and offers reliable performance. The Socket Type is LGA 1155/Socket H2, and the CPU Series is Core i5, making it the perfect choice for those in need of a high-performance computing experience.