Hardware Spec Index

Tessarix DK-8631 Prime USB4 40Gbps Dock (90W)

Thunderbolt & USB4 Docks · Tessarix · SKU DK8631-PRIME · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index1,916 (Thunderbolt & USB4 Docks scale)
Category rank#1,929
Street price$69
Power120 W
Performance per dollar27.77
Released2023

Specifications

BrandTessarix
ModelTessarix DK-8631 Prime
Host connectionUSB4 (40Gbps)
Host charging90 W USB Power Delivery
DisplaysUp to 2× 4K 60 Hz or 1× 8K 30 Hz
Downstream Thunderbolt/USB43× Thunderbolt 4 / USB4
USB-A2× 10Gbps, 1× 5Gbps
Ethernet1GbE
Card readerNone
Audio3.5 mm combo jack
Power supply120 W external

Related guides

USB4 ExplainedThunderbolt 5 Explained

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Cite this page: Hardware Spec Index, “Tessarix DK-8631 Prime USB4 40Gbps Dock (90W)”, https://vextor7.com/item/6267482 (accessed 2026-10-22).