Sonnet Echo 20 Thunderbolt 4 SuperDock — 20‑Port Thunderbolt Dock

High‑performance Thunderbolt 4 docking with 20 built‑in interfaces. The Echo 20 SuperDock packs three Thunderbolt 4 ports plus four USB 3.2 Gen 2 Type‑A and four USB 3.2 Gen 2 Type‑C charging ports, an HDMI output, RJ45 2.5 Gigabit Ethernet, a 3.5mm combo audio jack, a dedicated 3.5mm microphone input, line‑level R+L RCA audio out, an SD 4.0 card slot, and an internal M.2 SSD slot. Display support includes 4K, 5K, 6K and 8K @60Hz panels. Power delivery supplies up to 100W to charge your laptop via the included Thunderbolt 4 cable. The M.2 NVMe SSD slot accepts drives up to 8TB (SSD sold separately) and delivers data transfer rates of up to 800MB/s. Compatible with Apple M series Macs; Thunderbolt 3 Intel Macs; Thunderbolt 3 and 4 Windows computers; Thunderbolt 4/USB4 Chromebooks; and M series iPad Pro.