Tessarix DK-2921 Plus Thunderbolt 4 Dock (90W)
Thunderbolt & USB4 Docks · Tessarix · SKU DK2921-PLUS · Released 2021 · Updated 2026-10-25
Key facts
| Benchmark index | 5,974 (Thunderbolt & USB4 Docks scale) |
|---|---|
| Category rank | #47,554 |
| Street price | $369 |
| Power | 120 W |
| Performance per dollar | 16.19 |
| Released | 2021 |
Specifications
| Brand | Tessarix |
|---|---|
| Model | Tessarix DK-2921 Plus |
| Host connection | Thunderbolt 4 (40Gbps) |
| Host charging | 90 W USB Power Delivery |
| Displays | Up to 2× 4K 60 Hz or 1× 8K 30 Hz |
| Downstream Thunderbolt/USB4 | 3× Thunderbolt 4 / USB4 |
| USB-A | 2× 10Gbps, 1× 5Gbps |
| Ethernet | 2.5GbE |
| Card reader | SD 4.0 UHS-II |
| Audio | 3.5 mm combo jack |
| Power supply | 120 W external |
Related guides
Similar Thunderbolt & USB4 Docks
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Tessarix DK-4516 Ti Thunderbolt 4 Dock (90W) | 3,400 | $149 | Compare |
| Vantrel DK-7796 Ti Thunderbolt 4 Dock (96W) | 5,406 | $269 | Compare |
| Vantrel DK-9355 XT Thunderbolt 4 Dock (90W) | 5,497 | $309 | Compare |
| Vantrel DK-7627 Ultra Thunderbolt 4 Dock (90W) | 4,981 | $269 | Compare |
| Strivon DK-2000 Ultra USB-C 10Gbps Dock (85W) | 5,311 | $239 | Compare |
| Quorvex DK-2690 Core USB4 40Gbps Dock (100W) | 1,332 | $49 | Compare |
All Thunderbolt & USB4 Docks · JSON
Cite this page: Hardware Spec Index, “Tessarix DK-2921 Plus Thunderbolt 4 Dock (90W)”, https://vextor7.com/item/19108170 (accessed 2026-10-25).