Hardware Spec Index

Vantrel DK-3291 Ultra Thunderbolt 4 Dock (90W)

Thunderbolt & USB4 Docks · Vantrel · SKU DK3291-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index5,169 (Thunderbolt & USB4 Docks scale)
Category rank#922
Street price$269
Power120 W
Performance per dollar19.22
Released2020

Specifications

BrandVantrel
ModelVantrel DK-3291 Ultra
Host connectionThunderbolt 4 (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
Ethernet2.5GbE
Card readerSD 4.0 UHS-II
Audio3.5 mm combo jack
Power supply120 W external

Related guides

USB4 ExplainedThunderbolt 5 Explained2.5GbE, 5GbE and 10GbE Networking

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Cite this page: Hardware Spec Index, “Vantrel DK-3291 Ultra Thunderbolt 4 Dock (90W)”, https://vextor7.com/item/21588474 (accessed 2026-10-21).