The Sonnet DuoModo™ Echo™ III module connects up to three PCIe cards to computers without card slots. The module supports three full-height Thunderbolt™ compatible non-GPU PCIe cards; delivers 400W of power for the most demanding PCIe cards, including Avid qualification for Pro Tools | HDX PCIe cards; features quiet, dual temperature-controlled Noctua fans of 17 dbA; and connects via a super-fast 40 Gbps Thunderbolt interface.
 3-slot Thunderbolt to PCIe Card Expansion Module