Expansion Connection: 2 SATA3.06Gbps Main Control Chip:JMB582 Type:Cable Adapter Interface Speed: PCIE3.0 Overview This cable adapter adds two SATA ports to your system through a PCIE 3.0 interface, enabling you to expand storage without replacing existing components. The device is driven by the JMB582 main control chip, providing reliable dualport SATA management for enhanced storage options. Designed as a cable adapter, it provides a straightforward upgrade path for adding two SATA drives to a compatible motherboard or system. Key benefits Simple storage expansion: Instantly increase available SATA storage with two SATA III (6 Gbps) ports via a PCIE 3.0 connection. Reliable dualport control: The JMB582 controller manages two SATA connections efficiently, supporting stable operation for expanded storage. Flexible integration: The cable adapter form factor allows easy installation in systems with PCIE slots, enabling quick upgrades without major hardware changes. Consistent SATA performance: SATA III 6 Gbps compatibility ensures fast data transfer rates for connected drives. 23 use scenarios Desktop upgrade: Add two additional SATA HDDs or SSDs to a desktop PC to expand data storage for documents, apps, and media libraries. Video editing workstation: Provide two dedicated SATA drives for project files and media caches to improve organization and workflow without overloading a single drive. Home media/office setup: Create a compact storage expansion in a home theater PC or small office PC by connecting two SATA drives for media storage and backups.