Bytecc BT-ECES2 lets you add 2 eSATA ports to newer laptops with an ExpressCard slot.Some external hard drives use an eSATA connection as the maximum transfer rate of eSATA is more than twice that of USB 2.0 or FireWire 400 (IEEE 1394a)1.
Features
Compliant with PCI Express base specification 1.0a
Serial ATA generation 2 transfer rate of 3.0Gbps
Support RAID 0 (stripe) and RAID 1 (mirror)
Supports Hot plugging on Extend Serial ATA port
Os support windows 2000/XP/server 2003
Connector: 2 x SATA II ports (eSATA connector)
System Requirements
Windows 2000/ xp /server 2003
ExpressCard enabled system with available ExpressCard slot