Hardware Spec Index

Tessarix DK-3857 SE Thunderbolt 5 Dock (240W, 2.5GbE)

Thunderbolt & USB4 Docks · Tessarix · SKU DK3857-SE · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index4,967 (Thunderbolt & USB4 Docks scale)
Category rank#35,426
Street price$259
Power270 W
Performance per dollar19.18
Released2024

Specifications

BrandTessarix
ModelTessarix DK-3857 SE
Host connectionThunderbolt 5 (80Gbps, up to 120Gbps Bandwidth Boost)
Host charging240 W USB Power Delivery (EPR)
DisplaysUp to 3× 4K 144 Hz
Downstream Thunderbolt/USB43× Thunderbolt 5
USB-A3× 10Gbps
Ethernet2.5GbE
Card readerSD 4.0 UHS-II
Audio3.5 mm combo jack
Power supply320 W external

Related guides

Thunderbolt 5 ExplainedUSB4 Explained2.5GbE, 5GbE and 10GbE Networking

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Cite this page: Hardware Spec Index, “Tessarix DK-3857 SE Thunderbolt 5 Dock (240W, 2.5GbE)”, https://vextor7.com/item/32941453 (accessed 2026-10-20).