Tessarix DK-3991 Ultra USB-C 10Gbps Dock (100W)
Thunderbolt & USB4 Docks · Tessarix · SKU DK3991-ULTRA · Released 2020 · Updated 2026-10-24
Key facts
| Benchmark index | 1,511 (Thunderbolt & USB4 Docks scale) |
|---|---|
| Category rank | #1,898 |
| Street price | $59 |
| Power | 130 W |
| Performance per dollar | 25.61 |
| Released | 2020 |
Specifications
| Brand | Tessarix |
|---|---|
| Model | Tessarix DK-3991 Ultra |
| Host connection | USB-C 3.2 Gen 2 (10Gbps), DP Alt Mode |
| Host charging | 100 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 | 130 W external |
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Cite this page: Hardware Spec Index, “Tessarix DK-3991 Ultra USB-C 10Gbps Dock (100W)”, https://vextor7.com/item/7586756 (accessed 2026-10-24).