The DuoModo™ Echo™ I Module connects one single- or double-width, full-height or low-profile, up to full-length PCIe card to computers without card slots. The module supports one Thunderbolt™-compatible non-GPU PCIe card and features a 400W power supply (with 8-pin [6+2 pin] auxiliary power connector) to support the most demanding of PCIe cards, including the Avid for Pro Tools | HDX PCIe card. This product also features dual, ultra-quiet, temperature-controlled Noctua fans rated at 17 dbA, and connects to your computer through a super fast 40Gbps Thunderbolt interface.