Connect your whole desk
Sonnet Echo hubs and docks: screens, ports and storage
Start with the connections that must work at the same time. A small hub, a desk dock and a dock with internal storage solve different problems. Within Sonnet's Echo range, count the ports left after connecting your actual screens, then consider the network, power and storage arrangement.
A compact hub for a few connections
The Echo 5 Thunderbolt 4 Hub centers on three downstream Thunderbolt sockets and one USB-A port. It has no built-in HDMI, Ethernet or card reader. On a supported two-screen Type-C arrangement, the screens occupy two of those three Thunderbolt sockets. One remains available for another directly connected peripheral. The external supply is required, and laptop charging has its own maximum and shared-load conditions.
The Echo 6 USB-C Multi Hub takes a different approach: HDMI, two USB-A connections, a USB-C data connection and 5 Gb Ethernet. Its USB-C data port does not support a Type-C display. A suitable USB-C computer must provide the video and data route your setup needs. The external PD charger is separate; with an appropriate 100 W source, the stated laptop allowance is up to 85 W. Attached USB devices share a power budget, so sockets and available power are separate checks.
Choose the Echo 11 around the video connector
The Echo 11 Thunderbolt 4 Dock has three downstream Thunderbolt ports without a native HDMI socket. Three rear USB-A ports are specified at 10 Gbps; the front USB-A port is USB 2.0. Requiring four fast USB-A connections therefore changes the answer, even though four physical sockets exist.
The Echo 11 HDMI version has native HDMI, two downstream Thunderbolt ports, four 10 Gbps USB-A ports and 2.5 Gb Ethernet. Two Type-C screens use both Thunderbolt sockets. A supported HDMI-plus-Type-C arrangement leaves one Thunderbolt socket available. These are different working arrangements, not an extra socket created by the total-port headline.
Internal storage introduces its own decision
The Echo 20 Thunderbolt 4 SuperDock adds an internal drive slot alongside four dedicated fast USB-C data ports. Two Type-C screens can occupy its downstream Thunderbolt sockets while those dedicated data ports remain available. An additional USB 3 hub has a separate documented connection restriction: it must use a downstream Thunderbolt port.
The Echo 13 Thunderbolt 5 SSD Dock assessment covers the US add-your-own-SSD package, ECHO-DK13-0TB5. An SSD is not included in that configuration. Check the drive compatibility and hardware revision before buying storage. Its three downstream Thunderbolt sockets are also display routes; three directly connected Type-C screens leave no fourth direct Type-C socket for data. The active fan also matters if a completely fanless desk is essential.
Security-focused and storage-focused Thunderbolt 5 options
The Echo 20 Thunderbolt 5 SecureDock emphasizes a desk arrangement with many data connections and 10 Gb Ethernet. Its zero-local-storage design is a different choice from buying a dock to hold an internal SSD. A physical security feature also needs the actual mounting and lock accessories described in its instructions.
The Echo 21 Thunderbolt 5 SuperDock combines an internal drive arrangement with fast networking and dedicated USB data ports. Its native HDMI and DisplayPort outputs are alternatives: only one may be used at a time. Additional independent screens need the documented downstream Thunderbolt arrangement, and larger screen counts need a specifically supported computer and display chain. Having both output shapes on the rear does not make them two simultaneous native screens.
Keep the complete computer arrangement in the comparison
A dock's maximum screen count does not apply to every Mac or Windows computer. Select your actual computer profile and host protocol. If a configuration requires a Thunderbolt display chain, confirm compatible displays and cabling instead of assuming any ordinary monitor can occupy the chain.
For the reviewed 10 Gb Ethernet routes, Windows drivers and PCIe tunneling are material conditions. A generic USB-C socket, ordinary charging support or a USB4 label alone does not establish the required complete network arrangement. Interface ratings are also not measurements of concurrent file-transfer speed.
Use the dock finder to combine your screen choice with the data sockets that must remain free, Ethernet and charging needs. Then read the exact model assessment for its cable, supply, drive and software conditions. The best fit is the one that supports your whole working desk, rather than the largest printed port count.
Primary sources and exact configuration references are linked in each assessment. Product photographs illustrate manufacturer configurations; computers, displays, SSDs and accessories shown in a scene are not automatically included in the reviewed package.