The Echo Express SE I Desktop Thunderbolt 2 Expansion System for PCIe Cards from Sonnet supports most Thunderbolt-compatible cards, including PCIe 1.1, PCIe 2.0, and PCIe 3.0 cards up to 7.75" long. It is suitable for connecting one professional video capture, audio interface, SAS or SATA HBA, 16Gb or 8Gb Fibre Channel, 10Gb Ethernet, or RAID controller PCIe card to any Mac or Windows PC with a Thunderbolt 2 or Thunderbolt port. The PCIe expansion slot is necessary to install specialty audio, video, networking, and storage controller interface cards.

The SE I features Thunderbolt 2 technology, which provides up to 20 Gb/s of bandwidth for demanding, high-performance PCIe cards, and incorporates support for the DisplayPort 1.2 protocol, which enables video streaming to a 4K video monitor. The Echo Express SE I may also be upgraded to Thunderbolt 3 by switching the PCIe card in the chassis..

• 1 x PCIe 2.0 x8/x4 Slot
• Supports Half-Length, Full-Height Cards
• Supports PCIe 3,0, 2.0, and 1.1 Cards
• Supports Single- & Double-Width Cards
• 2 x Thunderbolt 2 Ports
• Upgradable to Thunderbolt 3
• Temperature-Controlled Fan
• Rugged Aluminum Housing
• Smart Design Inside and Out
• Thunderbolt Cable & ThunderLok Included