The Promise FastTrak TX4300 4-port SATA RAID PCI adapter offers a low-cost solution for implementing a RAID 0, RAID 1 or RAID 10 storage system with up to four high-performance Serial ATA disk drives. Promise Technology is the leading provider of Serial ATA interface solutions, and with the FastTrak TX4300, users can benefit from Promises experience in maximizing Serial ATA storage system performance.The FastTrak TX4300 leverages Promises proven RAID 0/1/10 software engine for fast, efficient, and reliable RAID. Use RAID 0 for massive capacity and maximum performance, RAID 1 for data protection, and four-drive RAID 10 for data protection and performance enhancement. Promises RAID engine also offers performance enhancing technology like elevator seek and load balancing for efficient performance.The controller supports SATA 3Gb/s drives and conforms to Serial ATA II, Extensions to SATA 1.0a specification with Native Command Queuing and Disk Activity LED headers support. The low-profile form factor FastTrak TX4300 PCI adapter incorporates many of Promise Technologys advanced host bus adapter features.The 66MHz PCI bus supports up to 266MB/sec burst data transfer rate.