# Kensington SD5700T vs Sonnet Echo 20 Thunderbolt 4 SuperDock: specs and price compared

A sourced, side-by-side comparison of the Kensington SD5700T (Kensington) and Sonnet Echo 20 Thunderbolt 4 SuperDock (Sonnet) among docking stations. Kensington SD5700T is the cheaper of the two at $269.99.

## Side by side

| Spec | Kensington SD5700T | Sonnet Echo 20 Thunderbolt 4 SuperDock |
| --- | --- | --- |
| US price | $269.99 | $329.99 |
| Brand | Kensington | Sonnet |
| Released | 2021 | 2023-06 |
| Host connection | Thunderbolt 4 | Thunderbolt 4 |
| Total ports | 11 | 20 |
| Power delivery (W) | 90 | 100 |
| Max external displays | 2 | 2 |
| Ethernet | GbE | 2.5 GbE |
| Sd card reader | Yes | Yes |

## Key differences

- Total ports: Kensington SD5700T 11 vs Sonnet Echo 20 Thunderbolt 4 SuperDock 20
- Power delivery (W): Kensington SD5700T 90 vs Sonnet Echo 20 Thunderbolt 4 SuperDock 100
- Ethernet: Kensington SD5700T GbE vs Sonnet Echo 20 Thunderbolt 4 SuperDock 2.5 GbE

## What reviewers say

**Kensington SD5700T** — Only one whitelisted source, PCWorld, covers the SD5700T, and it is an adapted re-publish of Simon Jary's TechAdvisor review rather than an independent second lab test. PCWorld calls it a quality, sturdily-built Thunderbolt 4 dock with 11 ports and 90W laptop charging, but faults the lack of dedicated HDMI/DisplayPort outputs, the weak 4.5W USB-A ports, and the high price. No hands-on benchmarks were published. (1 sourced review.)

## Sources

- Kensington SD5700T: https://www.kensington.com/p/products/device-docking-connectivity-products/laptop-docks-usb-accessories/sd5700t-thunderbolt-4-dual-4k-docking-station-with-90w-pd/ (kensington.com, verified 2026-06-15)
- Sonnet Echo 20 Thunderbolt 4 SuperDock: https://www.sonnettech.com/product/echo20-thunderbolt4-superdock/overview.html (sonnettech.com, verified 2026-06-15)

Canonical: https://frontdeskreview.com/gear/docking-stations/kensington-sd5700t-vs-sonnet-echo-20/
Cite: Per The Front Desk Review, Kensington SD5700T ($269.99) vs Sonnet Echo 20 Thunderbolt 4 SuperDock ($329.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/docking-stations/kensington-sd5700t-vs-sonnet-echo-20/
License: CC BY 4.0.