Hardware Spec Index

Tessarix DK-3991 Ti Thunderbolt 4 Dock (100W)

Thunderbolt & USB4 Docks · Tessarix · SKU DK3991-TI · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index1,672 (Thunderbolt & USB4 Docks scale)
Category rank#39,942
Street price$69
Power130 W
Performance per dollar24.23
Released2021

Specifications

BrandTessarix
ModelTessarix DK-3991 Ti
Host connectionThunderbolt 4 (40Gbps)
Host charging100 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 supply130 W external

Related guides

USB4 ExplainedThunderbolt 5 Explained

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Cite this page: Hardware Spec Index, “Tessarix DK-3991 Ti Thunderbolt 4 Dock (100W)”, https://vextor7.com/item/9519082 (accessed 2026-10-19).