Hardware Spec Index

Tessarix DK-3977 Prime USB4 40Gbps Dock (100W)

Thunderbolt & USB4 Docks · Tessarix · SKU DK3977-PRIME · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index4,546 (Thunderbolt & USB4 Docks scale)
Category rank#41,008
Street price$239
Power130 W
Performance per dollar19.02
Released2024

Specifications

BrandTessarix
ModelTessarix DK-3977 Prime
Host connectionUSB4 (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
Ethernet2.5GbE
Card readerSD 4.0 UHS-II
Audio3.5 mm combo jack
Power supply130 W external

Related guides

USB4 ExplainedThunderbolt 5 Explained2.5GbE, 5GbE and 10GbE Networking

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Cite this page: Hardware Spec Index, “Tessarix DK-3977 Prime USB4 40Gbps Dock (100W)”, https://vextor7.com/item/18212901 (accessed 2026-10-19).