with PCI-Express 1.0 a standard, support for Ultra ATA 133 hard drive, and downward support for Ultra ATA 100/66/33 standard The adapter card supports hard drives with a capacity of 137 GB or more (48-bit LBA mode) Support 1 external ESATA interface and 1 internal interface, the transfer rate can be up to 3Gb/s Support for 0/ 1/ 0+1 mode, support JBOD, with various storage methods The operation is simple, insert the adapter into the corresponding PCI-Expres slot, read the drive disk and insert the hard disk to use