This 2 port Card Bus e SATA Adapter offers a cost-effective external storage solution that allows e SATA laptop connections to external SATA devices. The e SATA laptop (PCMCIA) adapter is ideal for making routine backups or dumping data to SATA hard drives. The e SATA Card Bus Adapter presents a convenient way to protect your valuable data, with full external SATA data transfer speeds of up to 150 M Bps. Two external Serial ATA (e SATA) ports Supports two high-speed e SATA channels for SATAI/II device connections Provides you with a faster transfer rate opposed to USB (Universal Serial Bus) & Fire Wire Plug & Play installation gets you up & running instantly Data transfer rates up to 150 M Bps Compatible with 32-bit Card Bus