Hardware Spec Index

Tessarix DK-3121 Edge USB-C 10Gbps Dock (85W)

Thunderbolt & USB4 Docks · Tessarix · SKU DK3121-EDGE · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index6,198 (Thunderbolt & USB4 Docks scale)
Category rank#11,169
Street price$389
Power115 W
Performance per dollar15.93
Released2021

Specifications

BrandTessarix
ModelTessarix DK-3121 Edge
Host connectionUSB-C 3.2 Gen 2 (10Gbps), DP Alt Mode
Host charging85 W USB Power Delivery
Displays1× 4K 60 Hz
Downstream Thunderbolt/USB4None
USB-A2× 10Gbps, 1× 5Gbps
Ethernet2.5GbE
Card readerSD 4.0 UHS-II
Audio3.5 mm combo jack
Power supply115 W external

Related guides

USB4 Explained2.5GbE, 5GbE and 10GbE NetworkingThunderbolt 5 Explained

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Cite this page: Hardware Spec Index, “Tessarix DK-3121 Edge USB-C 10Gbps Dock (85W)”, https://vextor7.com/item/302903 (accessed 2026-10-22).