Interface Speed: PCIE3.0 Provides a fast data path from the motherboard PCIe slot to the two SATA ports, enabling efficient storage expansion. Main Control Chip: JMB582 A dedicated controller that manages the two SATA connections for stable operation and compatibility. Expansion Connection: 2 SATA3.06Gbps Enables connection of two SATA drives with up to 6 Gbps data transfer per port for throughput tasks. Type: Cable Adapter Flexible installation option suitable for compact or non standard setups where a cable style adapter is preferred. Benefits and key advantages Quickly expand storage capacity by adding two SATA drives without replacing existing drives. Dual SATA III ports provide speed connections to two drives, supporting demanding data transfer needs. Plug and play friendly design with a compact adapter form factor to fit in tight spaces. Broad compatibility with standard SATA drives and systems featuring a PCIe 3.0 slot for expansion. Use scenarios Desktop PC storage upgrade: add two additional drives to increase available workspace for multimedia libraries, large project files, or backups. Home or small office expansion: use as a compact storage extension to create a simple dual drive setup for data storage or a local archive. Media editing workstation: attach two speed SATA drives to improve file transfer times when moving large video or graphic assets.