This new family of PCI Express controllers offer the latest 3G/sec SATA performance and configuration flexibility at an amazingly affordable price. The controllers comes with a choice of 2 internal SATA II ports or 2 eSATA II ports for external SATA connection. Both controllers can also be installed into low profile PCs using the bundled low profile bracket. The two ports can be configured as individual ports, as RAID 1, 0, 0+1, RAID 5 or JBOD. Both controllers are also Port Multiplier compatible, thus offering potential expansion capabilities and new storage solutions controller.