On July 19th, the SATA-IO published the latest specification called SATA v3.1. SATA 3.1 includes mSATA specifications for mobile computing devices, Queued Trim Command for solid-state drives (SSDs) with SATA interfaces, & improved Hardware Control Features. SATA 3.1 is included a new feature called Zero-Power Optical Disc Drives. - Afzal Khan