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Compact grey aluminium dock, 11 ports, triple display support

UtechSmart D3908 11-in-1 docking station

SKU CH-47E3-7VWFQ MPN D3908

Adds eleven ports — dual 4K HDMI, VGA, Gigabit Ethernet, SD/TF cards, four USB and 100 W PD charging — to a USB-C laptop

  • Port details1 x USB 2.0
  • Measurements2.4 in × 3.96 in × 1.3 in
  • Main functionWindows&Mac OS
  • Product colorGray
  • Compatible withWindows&Mac OS
  • Product weight0.16 kg
  • Triple monitors up to 1920×1080@60Hz boost multitasking on Windows
  • 100W PD3.0 charging cuts power-up time by one third
  • Gigabit Ethernet at 1000Mbps keeps wired links fast and stable
  • Two USB 3.0 ports move files at 5Gbps for quick transfers
  • Compact 2.4×3.96×1.3 in aluminum body weighs only .16 kg

Compact 11-in-1 USB-C dock

The UtechSmart D3908 adds eleven ports through a single USB-C connection. It supports triple-monitor output for Windows users and dual-monitor output for macOS. The aluminium enclosure measures 2.4 in by 3.96 in by 1.3 in and weighs 0.16 kilograms. It is aimed at mobile professionals who need a lightweight workstation hub.

Check host video capability

Verify that your laptop’s USB-C port carries DisplayPort Alt Mode; without it the video outputs will not function. Windows systems can drive three external displays, but macOS only mirrors the same image on multiple screens. The dock draws up to 100 W of Power Delivery for host charging, so confirm your power adapter supplies enough wattage for both the dock and the laptop.

Ports and build needs

Two HDMI ports and one VGA port handle video, while a Gigabit Ethernet jack adds wired networking. Data transfer uses two USB 3.0 ports at 5 Gbps and two USB 2.0 ports for peripherals. SD and TF card slots give direct media access. The unit is bus-powered for data but requires the 100 W PD input to charge the host and run all ports simultaneously.

How it compares

Measured against everything we stock in USB-C & Laptop Docking Stations, at today’s prices. Recalculated every night.

Price $68.99
Cheaper than about 56% of the 1,971 comparable items (median $81.99).

Specifications

Product
Brand nameUtechSmart
Product lineUCN3270, UtechSmart
Model nameUCN3270
Part numberUtechSmart
Product colorGray
Ports & slots
Port details1 x USB 2.0
Size & build
Measurements2.4 in × 3.96 in × 1.3 in
Product weight0.16 kg
Compatibility
Compatible withWindows&Mac OS
More details
Main functionWindows&Mac OS

Questions about this item

What cables and accessories are included with the D3908, and which ones must I purchase separately?

The dock ships with the main unit only; you supply the host USB-C cable, any HDMI or VGA display cables, an Ethernet patch cable, and your own USB peripherals.

How do I decide between the dual 4K HDMI mode and the triple 1080p mode on this dock?

Choose dual HDMI at 3840x2160@30Hz for two high-resolution screens, or triple monitors at 1920x1080@60Hz when you need three displays; macOS cannot extend across three screens.

What does the 100 W PD rating actually deliver to my laptop in daily use?

The USB-C PD 3.0 port passes up to 100 W to the host, cutting charge time by roughly one third, while the dock’s own microchip handles overload, short-circuit and temperature protection under 45 °C.

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