Hard Drives Not Included. Couple caddy's are missing from server.Synology RS2416RP+ Rackstation, a high-quality 12-bay NAS solution perfect for professionals and home users alike. This enclosure is designed to accommodate 3.5-inch and 2.5-inch drives, and features a SATA III interface for fast and reliable data transfer. The silver and black color scheme is both sleek and versatile, making it a great addition to any setup.With its compatibility with a variety of drive sizes and interface options, the Synology RS2416RP+ Rackstation is the perfect solution for those in need of reliable storage and data management. Whether you're a professional designer or a home user looking to store your important files, this NAS solution is sure to meet your needs. Get started today with the Synology RS2416RP+ Rackstation.