Features: 1. A super-fast, high-capacity data transmission solution. 2. Stable and reliable ASMEDIA ASM1061 chip. 3. Complies with Serial ATA Revision 3.0 specification. 4. Complies with PCI Express Single Line (x1) specification version 1.0. 5. Data transfer rate up to 750MB/s (6.0Gbps). 6. Support 2.5Gbps PCI-E bus full duplex channel. 7. Support for two independent SATA 3.0 channels. (Support 2 SATA devices at the same time) 8. Support ATAPI devices: CD-ROM, DVD-ROM, etc. 9. No external power board is required. 10. Support hot swapping. 11. Driver support: for Windows XP / Server2003 / Server2008 / Vista / Win7. Specifications: Product name: PCE to SATA3.0 expansion card Main control chip: ASM1061 Expansion interface: 2 built-in SATA30 and 2 external eSATA3.0 (jumper selectable) Compatibility: Compatible with SATA20 and SATA10 Hot plug: Hot-swappable SATA device Operating system: FOR win7win8/xp/2000203 Linux/MAC Operating temperature: 0~70C Note: Supports two external ports or two internal ports (does not support four ports to en same time).