The Echo Express SE I is a compact Thunderbolt-to-PCIe expansion system designed for Mac®, Windows®, and Linux® computers with Thunderbolt 4 or Thunderbolt 3 ports.

• Supports one professional PCIe card, such as video capture or audio interface.
• Features an x8 PCIe slot and supports half-length+, full-height, single or double width cards.
• Dedicated slot for a daughter card that provides additional external connections without occupying the PCIe slot.
• Connectivity via Thunderbolt 3.
• Compact design for easy installation and use.