Hardware Spec Index

Tessarix DK-6921 XT Thunderbolt 5 Dock (240W, 2.5GbE)

Thunderbolt & USB4 Docks · Tessarix · SKU DK6921-XT · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index4,371 (Thunderbolt & USB4 Docks scale)
Category rank#21,027
Street price$219
Power270 W
Performance per dollar19.96
Released2025

Specifications

BrandTessarix
ModelTessarix DK-6921 XT
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-6921 XT Thunderbolt 5 Dock (240W, 2.5GbE)”, https://vextor7.com/item/20177179 (accessed 2026-10-20).