|Product Dimensions||16 x 19 x 3.5 inches|
|Item Weight||22.3 pounds|
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Sonnet's Echo Express III-R - Thunderbolt 3 Edition supports three full-size PCIe cards, up to 12.28 inches (full-length) long. The III-R integrates a universal 300W power supply and includes a 75W PCIe power connector for cards that require supplementary power, such as the Avid Pro Tools|HDX or the RED ROCKET-X.
Even with all that power, the III-R is enviro-friendly; it automatically powers on or off whenever the connected computer powers on or wakes, or powers off or sleeps, respectively.