Plugable
Plugable TBT4-UDZ
$289.99Cheaper
Released 2023
Best Docking Stations · head-to-head
Plugable TBT4-UDZ vs Sonnet Echo 20 Thunderbolt 4 SuperDock
A sourced, side-by-side comparison. Plugable TBT4-UDZ is cheaper at $289.99. Every spec and price links to its source.
Sonnet
Sonnet Echo 20 Thunderbolt 4 SuperDock
$329.99
Released 2023-06
Which is better: the Plugable TBT4-UDZ or Sonnet Echo 20 Thunderbolt 4 SuperDock?
On the specs we track, they're closely matched. The Plugable TBT4-UDZ is the cheaper at $289.99.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Plugable TBT4-UDZ | Sonnet Echo 20 Thunderbolt 4 SuperDock |
|---|---|---|
| US price | $289.99 | $329.99 |
| Brand | Plugable | Sonnet |
| Released | 2023 | 2023-06 |
| Host connection | Thunderbolt 4 | Thunderbolt 4 |
| Total ports | 16 | 20 |
| Power delivery (W) | 100 | 100 |
| Max external displays | 4 | 2 |
| Ethernet | 2.5 GbE | 2.5 GbE |
| Sd card reader | Yes | Yes |
| Release | 2023 | 2023-06 |
Sources — Plugable TBT4-UDZ: plugable.com (verified 2026-06-15). Sonnet Echo 20 Thunderbolt 4 SuperDock: sonnettech.com (verified 2026-06-15).
What's the difference between the Plugable TBT4-UDZ and Sonnet Echo 20 Thunderbolt 4 SuperDock?
Where the two actually differ on the specs we track (2 of 6). Matching specs are omitted.
- Total ports: Plugable TBT4-UDZ 16 vs Sonnet Echo 20 Thunderbolt 4 SuperDock 20
- Max external displays: Plugable TBT4-UDZ 4 vs Sonnet Echo 20 Thunderbolt 4 SuperDock 2