StarTech.com 2 Port ExpressCard 54mm eSATA II Controller Adapter Card ECESATA254 Easy to use and install Using Silicon image chipset, provides enhanced compatibility to devices and special functions Off load large data files quick and easily with eSATA Compliant with Serial ATA 1.0 specifications and ExpressCard 54mm Form Factor Supports Native Command Queuing (NCQ) hard drives Hot-Swapping capabilities Compatible with PCI Express 1-lane (x1) Works with SATA I/II devices with transfer speeds up to 3.0 Gbps