SATA, or Serial Advanced Technology Attachment, is a standard interface used to connect storage devices like hard drives and solid-state drives to a computer's motherboard. It allows for faster data transfer rates compared to its predecessor, PATA (Parallel ATA), making it more efficient for modern computing needs. SATA cables are thinner and more flexible, which helps improve airflow inside computer cases. The technology supports hot swapping, meaning users can replace drives without shutting down the system. Overall, SATA has become the standard for connecting storage devices in both personal computers and servers.