Tessarix DK-3975 Ultra USB-C 10Gbps Dock (85W)
Thunderbolt & USB4 Docks · Tessarix · SKU DK3975-ULTRA · Released 2020 · Updated 2026-10-21
Key facts
| Benchmark index | 2,135 (Thunderbolt & USB4 Docks scale) |
|---|---|
| Category rank | #21,564 |
| Street price | $79 |
| Power | 115 W |
| Performance per dollar | 27.03 |
| Released | 2020 |
Specifications
| Brand | Tessarix |
|---|---|
| Model | Tessarix DK-3975 Ultra |
| Host connection | USB-C 3.2 Gen 2 (10Gbps), DP Alt Mode |
| Host charging | 85 W USB Power Delivery |
| Displays | 1× 4K 60 Hz |
| Downstream Thunderbolt/USB4 | None |
| USB-A | 2× 10Gbps, 1× 5Gbps |
| Ethernet | 1GbE |
| Card reader | None |
| Audio | 3.5 mm combo jack |
| Power supply | 115 W external |
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Cite this page: Hardware Spec Index, “Tessarix DK-3975 Ultra USB-C 10Gbps Dock (85W)”, https://vextor7.com/item/8728396 (accessed 2026-10-21).