Hardware Spec Index

Tessarix DK-3874 Ultra USB-C 10Gbps Dock (85W)

Thunderbolt & USB4 Docks · Tessarix · SKU DK3874-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index3,365 (Thunderbolt & USB4 Docks scale)
Category rank#16,255
Street price$139
Power115 W
Performance per dollar24.21
Released2020

Specifications

BrandTessarix
ModelTessarix DK-3874 Ultra
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
Ethernet1GbE
Card readerSD 4.0 UHS-II
Audio3.5 mm combo jack
Power supply115 W external

Related guides

USB4 ExplainedThunderbolt 5 Explained

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Cite this page: Hardware Spec Index, “Tessarix DK-3874 Ultra USB-C 10Gbps Dock (85W)”, https://vextor7.com/item/6571749 (accessed 2026-10-21).