Tessarix DK-7820 Ultra Thunderbolt 4 Dock (90W)
Thunderbolt & USB4 Docks · Tessarix · SKU DK7820-ULTRA · Released 2023 · Updated 2026-10-25
Key facts
| Benchmark index | 4,299 (Thunderbolt & USB4 Docks scale) |
|---|---|
| Category rank | #46,623 |
| Street price | $179 |
| Power | 120 W |
| Performance per dollar | 24.02 |
| Released | 2023 |
Specifications
| Brand | Tessarix |
|---|---|
| Model | Tessarix DK-7820 Ultra |
| 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
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| Vantrel DK-7916 Ti USB-C 10Gbps Dock (85W) | 1,128 | $59 | Compare |
| Tessarix DK-8848 XT Thunderbolt 4 Dock (90W) | 3,860 | $179 | Compare |
| Vantrel DK-7586 XT USB4 40Gbps Dock (90W) | 2,454 | $99 | Compare |
| Strivon DK-4277 Prime Thunderbolt 5 Dock (140W, 2.5GbE) | 6,129 | $379 | Compare |
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| Vantrel DK-2997 XT USB4 40Gbps Dock (100W) | 5,558 | $359 | Compare |
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Cite this page: Hardware Spec Index, “Tessarix DK-7820 Ultra Thunderbolt 4 Dock (90W)”, https://vextor7.com/item/32638811 (accessed 2026-10-25).