PowerOver eSATA to SATAs Adapter Card Direct ‑speed data path: provides a direct eSATA to SATA connection to the drives, reducing speed degradation that can occur with USB3.0 adapters that require multiple conversions. This supports fast, reliable data transfer for demanding tasks. Power and drive compatibility: supports 5V and 12V power supplies and works with 2.5 inch, 3.5 inch, and 5.25 inch hard drives or optical drives with an additional power cable option. Enables expanded storage and optical drive support as needed. Flexible connectivity: designed to connect SATA drives directly via eSATA, offering a straightforward solution for performance storage access in desktop setups. Target users: suitable for professional IT technicians and power users looking to upgrade computer connectivity and overall performance. Functional design focus: emphasizes core function, compatibility with standard SATA and eSATA configurations, and performance improvements through a direct data path. 23 practical use scenarios Home server or media PC: set up a server or media storage with fast, reliable access to large media libraries and backups. Office data backups and archives: attach multiple drives to create a local backup repository, improving data transfer speed and efficiency for routine backups and archival storage. IT technician workstation upgrade: upgrade a desktop workstation by expanding SATA drive connectivity and improving data transfer performance for development, testing, and large file workflows.