Sonnet's new Echo SE III T5 gives Macs three PCIe slots for $799.99, costing less than its larger desktop model, at the cost of no longer supporting full-length cards.

Echo SE III T5
The compact enclosure lets Mac mini, Mac Studio, and MacBook Pro users add professional hardware their computers don't have internal slots for. It connects up to three PCIe cards through a single Thunderbolt cable for specialized audio, video, networking, and storage.

Sonnet introduced the larger Echo III T5 Desktop on October 14. The $1,199.99 enclosure supports PCIe cards up to 12.28 inches long and includes a 400W power supply, while the new Echo SE III T5 accommodates shorter cards up to 7.75 inches.

Both systems have the same advertised aggregate PCIe bandwidth, so the main differences are physical size, supported cards, and power provision. Sonnet also introduced a single-slot enclosure earlier in October for users who don't need room for multiple cards.


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