Experience the indescribable, unbridled joy of 6 GB/s transfer rates when you get this eSATA Controller Card from SIIG. Adding two eSATA ports to your system via the PCI Express x1 interface, you'll be able to hook up your external hard drives directly into your system for the fastest connection speeds available. With the included low profile bracket, you can install your controller card in a slim computer case. 2 Port eSATA PCI-E Host Adapte. Dual Profile PCI Express 2-Port eSATA 6Gb/s Host Adapter Siig SC-SA0M11-S1 eSATA 6Gb.