Hardware Spec Index

Veltrix DK-4640 Ultra Thunderbolt 4 Dock (90W)

Thunderbolt & USB4 Docks · Veltrix · SKU DK4640-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index1,115 (Thunderbolt & USB4 Docks scale)
Category rank#40,209
Street price$59
Power120 W
Performance per dollar18.90
Released2021

Specifications

BrandVeltrix
ModelVeltrix DK-4640 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
Ethernet1GbE
Card readerNone
Audio3.5 mm combo jack
Power supply120 W external

Related guides

USB4 ExplainedThunderbolt 5 Explained

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Cite this page: Hardware Spec Index, “Veltrix DK-4640 Ultra Thunderbolt 4 Dock (90W)”, https://vextor7.com/item/32941930 (accessed 2026-10-21).