Kensington
Kensington SD5700T
$269.99Cheaper
Released 2021
Best Docking Stations · head-to-head
Kensington SD5700T vs Sonnet Echo 20 Thunderbolt 4 SuperDock
A sourced, side-by-side comparison. Kensington SD5700T is cheaper at $269.99. Every spec and price links to its source.
Sonnet
Sonnet Echo 20 Thunderbolt 4 SuperDock
$329.99
Released 2023-06
Which is better: the Kensington SD5700T or Sonnet Echo 20 Thunderbolt 4 SuperDock?
On the specs we track, they're closely matched. The Kensington SD5700T is the cheaper at $269.99.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| 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 |
| Release | 2021 | 2023-06 |
Sources — Kensington SD5700T: kensington.com (verified 2026-06-15). Sonnet Echo 20 Thunderbolt 4 SuperDock: sonnettech.com (verified 2026-06-15).
What's the difference between the Kensington SD5700T and Sonnet Echo 20 Thunderbolt 4 SuperDock?
Where the two actually differ on the specs we track (3 of 6). Matching specs are omitted.
- 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
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
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.)
Praised: Sturdy, quality build with a solid mix of legacy I/O (11 ports); 90W laptop charging, enough to charge most laptops.
Flagged: No dedicated HDMI/DisplayPort outputs; requires USB-C adapters; Weak 4.5W USB-A ports; Expensive for a Thunderbolt 4 dock.
Sonnet Echo 20 Thunderbolt 4 SuperDock
No sourced tester review yet.