USB4 Compact Dock
VS41000
140W GaN Charger Dock
DUG7391
Compact USB-C PD 3.1 dock with 140W laptop charging, HDMI 2.1 display, and 10Gbps USB
DUG7391 is a compact GaN charger dock built for modern USB-C laptops. It delivers up to 140W USB-C Power Delivery, adds HDMI 2.1 display output, and expands USB connectivity with 10Gbps ports—ideal for clean, high-power desk setups.
Key specifications
- Host Interface: USB-C
- Maximum Display: 1 × 8K@30Hz
- PD: 140W
- LAN: 1 × RJ45 (1GbE)
Works with: Windows · macOS · ChromeOS
Description
The DUG7391 is a compact GaN charger dock for USB-C laptops that need high power at the desk. A built-in 140W USB-C PD 3.1 supply charges the laptop directly from AC power, while HDMI 2.1 outputs 8K30 or 4K144/4K120 with DSC. It adds Gigabit Ethernet and three 10Gbps USB ports, with thermal protection that lowers output if it overheats.
More features
- Hot-desking / Flexible Office: Clean desk setup with USB expansion + Ethernet for stable meetings and transfers.
- Minimal & Portable Power Desk: Ultra-compact form factor (80×80×52mm) for space-constrained work areas.
Features
High-Power Charging – 140W USB-C PD 3.1
Charge compatible laptops up to 140W (28V/5A) through the USB-C upstream port.
HDMI 2.1 Display Output – 8K30 / 4K144 / 4K120 (DSC)
Built-in HDMI 2.1 supports 8K30 or high-refresh 4K144/4K120 with DSC (host & display dependent).
10Gbps USB Expansion – USB-C + Dual USB-A
Add 1× USB-C 10Gbps and 2× USB-A 10Gbps ports for storage, adapters, and peripherals.
BC1.2 Charging Support – Faster USB-A Charging
Dual USB-A ports support BC1.2 for improved device charging compatibility.
Built-in 1GbE LAN – Stable Wired Network
Integrated 1Gbps RJ45 Ethernet for stable, low-latency connectivity.
Safety & Thermal Protection – OTP Power Throttling
Firmware includes OTP thermal protection—total output power will reduce to 65W if temperature exceeds safety limits.
Specifications
| Model | DUG7391 |
|---|---|
| Host / Upstream | |
| Upstream Port (Host) | 1 × USB-C 10Gbps (PD up to 140W 28V/5A) |
| Host Interface | USB-C |
| Display | |
| Maximum Display | 1 × 8K@30Hz |
| Legacy Video Port | 1 × HDMI (2.1) |
| Max Resolution | 8K30 or 4K165/4K120 (DSC); Chromebook 4K60 (DSC) |
| Video Output | HDMI |
| USB | |
| USB Downstream | 1 × USB-C 10Gbps (7.5W 5V/1.5A), 2 × USB-A 10Gbps (5V/1.5A , BC1.2) |
| Network | |
| LAN | 1 × RJ45 (1GbE) |
| Power | |
| PD | 140W |
| Physical | |
| Dimension (L x W x H) | 80 x 80 x 52 mm |
| Operating Temperature | Operating: 0~40°C; Storage: -20~70°C |
| General | |
| Features | Ethernet, PD Charging |
Downloads
| Category | File name | Version | Release date | Download |
|---|---|---|---|---|
| Datasheet | DUG7391_datasheet.pdfSHA-256: 6b35a586adfd3f8a3fb559ce51f46b0b6a84a57bec02cf103777bd9da0c15e07 | Download |
Frequently asked questions
Q: Can a compact dock really charge a laptop at up to 140W?
Yes. The USB-C upstream supports PD up to 140W (28V/5A).
Q: What display formats does HDMI 2.1 support on DUG7391?
HDMI 2.1 supports 8K30 or 4K144/4K120 with DSC (system dependent).
Q: How many USB ports are included, and are they 10Gbps?
1× USB-C 10Gbps + 2× USB-A 10Gbps downstream.
Q: What happens if temperature gets too high?
OTP protection reduces total supply power to 65W under over-temperature conditions.
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