Sonnet today announced the Echo Express III-D desktop and Echo Express III-R rackmount Thunderbolt to PCI Express Expansion Chassis, the newest members of the company's Echo family of Thunderbolt expansion chassis for PCI-E cards. Featuring three PCI-E slots, a 300W power supply, and 75W auxiliary power connector, both new devices enable the use of a wide variety of high-performance PCI Express cards originally designed for use in desktop computers with any OS X computer with a Thunderbolt port.
