Tessarix DK-3978 Prime Thunderbolt 5 Dock (140W, 2.5GbE)
Thunderbolt & USB4 Docks · Tessarix · SKU DK3978-PRIME · Released 2025 · Updated 2026-10-20
Key facts
| Benchmark index | 4,859 (Thunderbolt & USB4 Docks scale) |
|---|---|
| Category rank | #43,836 |
| Street price | $269 |
| Power | 170 W |
| Performance per dollar | 18.06 |
| Released | 2025 |
Specifications
| Brand | Tessarix |
|---|---|
| Model | Tessarix DK-3978 Prime |
| Host connection | Thunderbolt 5 (80Gbps, up to 120Gbps Bandwidth Boost) |
| Host charging | 140 W USB Power Delivery (EPR) |
| Displays | Up to 3× 4K 144 Hz |
| Downstream Thunderbolt/USB4 | 3× Thunderbolt 5 |
| USB-A | 3× 10Gbps |
| Ethernet | 2.5GbE |
| Card reader | SD 4.0 UHS-II |
| Audio | 3.5 mm combo jack |
| Power supply | 220 W external |
Related guides
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Cite this page: Hardware Spec Index, “Tessarix DK-3978 Prime Thunderbolt 5 Dock (140W, 2.5GbE)”, https://vextor7.com/item/605309 (accessed 2026-10-20).