Veltrix DK-3921 Ultra USB4 40Gbps Dock (96W)
Thunderbolt & USB4 Docks · Veltrix · SKU DK3921-ULTRA · Released 2026 · Updated 2026-10-22
Key facts
| Benchmark index | 3,683 (Thunderbolt & USB4 Docks scale) |
|---|---|
| Category rank | #855 |
| Street price | $169 |
| Power | 126 W |
| Performance per dollar | 21.79 |
| Released | 2026 |
Specifications
| Brand | Veltrix |
|---|---|
| Model | Veltrix DK-3921 Ultra |
| Host connection | USB4 (40Gbps) |
| Host charging | 96 W USB Power Delivery |
| Displays | Up to 2× 4K 60 Hz or 1× 8K 30 Hz |
| Downstream Thunderbolt/USB4 | 3× Thunderbolt 4 / USB4 |
| USB-A | 2× 10Gbps, 1× 5Gbps |
| Ethernet | 1GbE |
| Card reader | SD 4.0 UHS-II |
| Audio | 3.5 mm combo jack |
| Power supply | 126 W external |
Related guides
Similar Thunderbolt & USB4 Docks
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Tessarix DK-3753 Prime Thunderbolt 4 Dock (100W) | 3,551 | $169 | Compare |
| Veltrix DK-6431 Ti Thunderbolt 5 Dock (180W, 2.5GbE) | 4,401 | $199 | Compare |
| Vantrel DK-3812 Max Thunderbolt 4 Dock (90W) | 3,954 | $189 | Compare |
| Veltrix DK-8321 Core USB-C 10Gbps Dock (100W) | 5,457 | $319 | Compare |
| Quorvex DK-7978 Plus USB-C 10Gbps Dock (60W) | 2,769 | $109 | Compare |
| Veltrix DK-3007 Ultra USB-C 10Gbps Dock (85W) | 6,601 | $439 | Compare |
All Thunderbolt & USB4 Docks · JSON
Cite this page: Hardware Spec Index, “Veltrix DK-3921 Ultra USB4 40Gbps Dock (96W)”, https://vextor7.com/item/10486307 (accessed 2026-10-22).