This Best Connectivity SD-PCBX-SA2 2-port Serial ATA II ExpressCard provides a high performance platform for notebooks to connect to external SATA mass storage devices such as external SATA to IDE enclosures and SATA/SATA II hard drives. It supports SATA II specification with transfer rate up to 3 GB/sec. and is compliant with the ExpressCard standard. Order today! This item is Brand NEW 2-Port SD-PCBX-ESA2 eSATA II ExpressCard/54mm PGK-455808427 Click to enlarge This SD-PCBX-ESA2 Serial ATA II Express Card provides a high-performance platform for notebooks to add external SATA mass storage devices such as SATA to IDE enclosures and SATA/SATA II hard drives. It supports SATA II specification with transfer rates up to 3 GB/s and features the Silicon Image (Sil3132) chipset! Order today! Features/Specifications: 2-Port SATA II ExpressCard General Features: Compliance with ExpressCard standard Compatible to a x1 lane PCI-Express throughput Silicon Image (Sil3132) chipset Two (2) external SATA II ports Support SATA II specification with transfer rate up to 3 Gb/s Backwards compatible to SATA 1.0a specification eSATA compatible for all external ports Support hard disks with Native Command Queue (NCQ) feature Capability to connect to a Port Multiplier with FIS based switching Fully plug and play Hot Plug supportRegulatory Approvals: FCC CE C-Tick Package Includes: 2-Port SATA II ExpressCard Driver on 3-inch CD User Manual Additional Information: Notes: Model: SD-PCBX-ESA2Requirements: Windows 98/M2/2000/XP CD-ROM drive (to load drivers CD) Available ExpressCard slot