Sonnet Echo 21 Thunderbolt 5 SuperDock review: 20 ports and upgradeable 8TB SSD storage

Macworld
May 22, 2026, 11:39 am73 pts
Macworld At a glance Expert's Rating Pros 20 ports, inc 3x Thunderbolt 5 M.2 NVMe SSD Slot (Echo 21) 10Gb Ethernet Dedicated video output DisplayPort and HDMI ports 140W Power Delivery RCA line out jacks Cons USB power output max 15W Our Verdict While we’d have preferred a bit more power output from the USB-C…

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