"This is an internal storage drive accessory used with Box PCs of Schneider Electric's Harmony P6 range. HMIYP6HDD1T is a 1TB 2.5"" HDD drive with SATA III interface. It weighs 0.25Kg. They are compatible with all Harmony P6 Advanced and Standard Box PCs. Harmony P6 PC's smart design and engineering shortens implementation time for automation engineers and is more economical throughout the life cycle with optimized design and ease of maintenance. Harmony P6 industiral PCs caters to the complex machine$ line monitor and processes at Edge Control and Apps Analytics level of EcoStruxure."