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Compact silver docking station with short USB-C cable, dual HDMI ports and card slots

Targus

Targus DOCK423TT USB-C Dual HDMI 4K Docking Station 100W PD Silver

SKU CH-CYVA-10P2M MPN DOCK423TT

Connects a USB-C laptop to dual 4K 60 Hz displays, wired network, cards and peripherals while delivering up to 100 W pass-through power

  • ColorSilver
  • FeaturesDual HDMI USB-C Travel Dock
  • Dual 4K monitors at 60Hz via two HDMI 2.0 ports
  • 100W power delivery pass-through keeps laptop charged while working
  • Two USB 3.2 Gen 1 Type-A ports including one fast-charge port
  • SD and Micro SD card slots supporting UHS-I speeds
  • Gigabit Ethernet port for stable wired network connection

Compact dual-4K travel dock

The Targus DOCK423TT is a silver USB-C docking station built for notebook users who need two external 4K UHD displays at 60 Hz while travelling or hot-desking. It draws video and power through a single 7-inch host cable and adds wired networking, card readers and legacy USB ports. The unit suits professionals who move between desks and want a lightweight hub that leaves only one cable on the laptop.

HDMI 2.0 bandwidth and power ceiling

Each HDMI 2.0 port is limited to 4K UHD at 60 Hz, so higher refresh rates or 5K resolutions are not supported. The USB-C Alt Mode link carries both video and up to 100 W Power Delivery pass-through with Fast Role Swap, meaning the dock cannot supply more than that figure to the host. The Gigabit Ethernet port tops out at 1 Gbps, and the SD slots follow the UHS-I spec, capping card speeds below UHS-II levels.

Plug-and-play with cable-length constraint

Driverless operation on Windows, macOS, Chrome OS, iPadOS, Linux and Samsung DeX makes setup immediate, but the fixed 7-inch host cable restricts placement and can strain the laptop port if the dock sits far away. Users sometimes forget that both 4K displays require a host GPU able to drive two streams, and the single fast-charge USB-A port only works when the dock receives sufficient PD power.

Highlights

  • Dual 4K monitors at 60Hz via two HDMI 2.0 ports
  • 100W power delivery pass-through keeps laptop charged while working
  • Two USB 3.2 Gen 1 Type-A ports including one fast-charge port
  • SD and Micro SD card slots supporting UHS-I speeds
  • Gigabit Ethernet port for stable wired network connection

Specifications

BrandTargus
ModelDOCK423TT
ColorSilver
FeaturesDual HDMI USB-C Travel Dock
Shipping weight0.91 kg
Package size203 × 152 × 76 mm

Questions about this item

Which Targus DOCK423TT version should I choose for dual 4K monitors?

This single model DOCK423TT already includes two HDMI 2.0 ports that each support 4K UHD at 60Hz, so no separate version is needed for dual 4K output.

What does the 100W PD pass-through mean when I connect my laptop?

The USB-C host cable delivers up to 100W of power to the connected notebook while simultaneously driving video, data and Ethernet through the same dock.

How fast are the USB 3.2 Gen 1 Type-A ports in real use?

Each Type-A port runs at USB 3.2 Gen 1 speeds, providing up to 5 Gbps bandwidth for external drives or peripherals, with one port also supporting fast charging.

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