Hardware Spec Index

Tessarix DK-3881 XT USB4 40Gbps Dock (90W)

Thunderbolt & USB4 Docks · Tessarix · SKU DK3881-XT · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index2,639 (Thunderbolt & USB4 Docks scale)
Category rank#19,505
Street price$99
Power120 W
Performance per dollar26.66
Released2024

Specifications

BrandTessarix
ModelTessarix DK-3881 XT
Host connectionUSB4 (40Gbps)
Host charging90 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 supply120 W external

Related guides

USB4 ExplainedThunderbolt 5 Explained

Similar Thunderbolt & USB4 Docks

ModelBenchmarkPriceCompare
Quorvex DK-6491 Core USB-C 10Gbps Dock (85W)4,071$189Compare
Veltrix DK-3407 Prime USB-C 10Gbps Dock (85W)4,040$169Compare
Quorvex DK-3322 SE Thunderbolt 5 Dock (180W, 2.5GbE)6,286$449Compare
Veltrix DK-3601 Max USB4 40Gbps Dock (90W)4,308$239Compare
Tessarix DK-5732 Ti Thunderbolt 4 Dock (100W)1,818$69Compare
Vantrel DK-5762 Max Thunderbolt 5 Dock (180W, 2.5GbE)3,984$209Compare

All Thunderbolt & USB4 Docks · JSON

Cite this page: Hardware Spec Index, “Tessarix DK-3881 XT USB4 40Gbps Dock (90W)”, https://vextor7.com/item/4703733 (accessed 2026-10-21).