Description: English instructions for installing Thunderbolt 3 upgrade card into Sonnet's Echo Express III-D Thunderbolt-to-PCIe card expanssion system. This is revision b of this document.
Description: Click on the link to watch Sonnet's video quick start guide for the Echo Express III-D . This video shows step by step how to install PCIe cards into the III-D, work with cards that require auxiliary power, connect the chassis to your system, and how to ensure maximum performance from all PCIe cards.