Addonics ADEXC34-2E interface cards/adapter

2 Port eSATA ExpressCard 34 The 2 Port eSATA ExpressCard and RAID 5/JBOD eSATA ExpressCard 34 enchances your laptop system with two eSATA II ports from a single Express Card slot. Each eSATA II port provides a maximum of 300 MB/sec data throughput through SATA II. You can also attach to each eSATA port as many as 5 hard drives in external drive enclosures that have built-in Port Multiplier technology, such as the Addonics Storage Tower. Together with Addonics' family of eSATA cabling system, Notebook users can enjoy the fastest performance with any external storage devices, as much as 6 times the data transfer rate of the USB 2.0.