eSATA II PCIe card with one external eSATA II connection.
Suitable to connect external eSATA devices such as fast external hard disks.
High speed SATA II data transfer rate up to 3.0 Gbps; 12x faster than USB 2.0 with lower CPU overhead
Hot swappable connectors: change your SATA storage device while the PC is powered on
Native command queuing (NCQ) support