Hardware Spec Index

Tessarix DK-7857 Pro USB4 40Gbps Dock (96W)

Thunderbolt & USB4 Docks · Tessarix · SKU DK7857-PRO · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index2,418 (Thunderbolt & USB4 Docks scale)
Category rank#8,592
Street price$89
Power126 W
Performance per dollar27.17
Released2024

Specifications

BrandTessarix
ModelTessarix DK-7857 Pro
Host connectionUSB4 (40Gbps)
Host charging96 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 supply126 W external

Related guides

USB4 ExplainedThunderbolt 5 Explained

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Cite this page: Hardware Spec Index, “Tessarix DK-7857 Pro USB4 40Gbps Dock (96W)”, https://vextor7.com/item/2746927 (accessed 2026-10-21).