Charging & Power

Compare products. Choose well.

Buying guide

DisplayLink Docking Stations

Our pick

Plugable UD-ULTC4K

Choose Plugable UD-ULTC4K for a compatible laptop desk with several monitors: it supports three external displays and up to 100 W of laptop charging.1

Why this one

  • Its HDMI and DisplayPort output choices let you match the dock to your monitor connections.1
  • Up to 100 W of host charging suits a laptop that can use that output; check the laptop’s power requirements before replacing its separate charger.1

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Compare the alternatives
Plugable UD-ULTC4K

The alternatives

Other contenders

  • Plugable UD-7400PD

    Choose Plugable UD-7400PD when a compatible setup needs more than three external displays: it supports up to five.17

For a desk with one cable to the laptop

Choose Plugable UD-7400PD when your compatible laptop needs up to 140 W of host charging through the dock connection.9

For a desk with six or more USB-A accessories

Choose Plugable UD-3900PDZ for six USB-A accessories and a laptop that also needs charging: it combines six USB-A ports with up to 100 W of host power.3

For a desk with three or more external monitors

Choose Plugable UD-ULTC4K for three external monitors, with HDMI or DisplayPort available at each video output.1

7 models / at a glance

Key differences

Every specification ↗
Plugable UD-ULTC4K

Plugable UD-ULTC4K

Monitors supported31Higher preferred ↑
Laptop charging · W100 W1Higher preferred ↑
USB-A ports41Higher preferred ↑
Plugable UD-3900

Plugable UD-3900

Monitors supported28Higher preferred ↑
Laptop charging · W0 W2Higher preferred ↑
USB-A ports68Higher preferred ↑
Plugable UD-3900PDZ

Plugable UD-3900PDZ

Monitors supported33Higher preferred ↑
Laptop charging · W100 W3Higher preferred ↑
USB-A ports63Higher preferred ↑

Plugable UD-3900Z

Monitors supported24Higher preferred ↑
Laptop charging · W0 W6Higher preferred ↑
USB-A ports66Higher preferred ↑

Plugable UD-6950H

Monitors supported25Higher preferred ↑
Laptop charging · W0 W5Higher preferred ↑
USB-A ports65Higher preferred ↑
Plugable UD-6950Z

Plugable UD-6950Z

Monitors supportedUp to 26Higher preferred ↑
Laptop charging · W0 W6Higher preferred ↑
USB-A ports66Higher preferred ↑
Plugable UD-7400PD

Plugable UD-7400PD

Monitors supportedUp to 57Higher preferred ↑
Laptop charging · W140 W9Higher preferred ↑
USB-A ports29Higher preferred ↑

Compare the options

7 products

Narrow your options

Monitors supported
Laptop charging (W)
USB-A ports
Reset requirements

5 models compared. 2 models have incomplete measurements.

Laptop charging (W); higher is preferred · 0 to 100

Plugable UD-ULTC4K: 3, 100 W.Plugable UD-3900: 2, 0 W.Plugable UD-3900PDZ: 3, 100 W.Plugable UD-3900Z: 2, 0 W.Plugable UD-6950H: 2, 0 W.

Monitors supported; higher is preferred · 0 to 3

Plugable UD-ULTC4KPlugable UD-3900Plugable UD-3900PDZPlugable UD-3900ZPlugable UD-6950H

Plugable UD-ULTC4K

Monitors supported
3
Laptop charging
100 W

View product details
Compare models side by side

Models in this comparison

Every specification for these products
SpecificationPlugable UD-ULTC4KPlugable UD-3900Plugable UD-3900PDZPlugable UD-3900ZPlugable UD-6950HPlugable UD-6950ZPlugable UD-7400PD
Monitors supported3128332425Up to 26Up to 57
Maximum resolution4K 60Hz12560x144024K32560×1440 (Tested configuration: single native HDMI display at 50Hz)43840x216052x 4K 60Hz68K7
Laptop charging100 W10 W2100 W30 W60 W50 W6140 W9
DisplayLink chipsetDL-6950 DisplayLink1DL-3900 DisplayLink2DL-390010DisplayLink DL-39004DL-6950 DisplayLink5DL-6950 DisplayLink6DL-74007
Video outputs3x HDMI 2.0 or DisplayPort 1.212x HDMI video outputs2Number of HDMI Outputs 332 x HDMI ports42x HDMI 2.0, 2x DisplayPort 1.2112x HDMI 2.0, 2x DisplayPort 1.26two dedicated HDMI video ports, one version 2.1 (for 8K) and one 2.07
USB-A ports41686366656629

Compare features

Reset requirements

7 products

Product image unavailablePlugable UD-3900Z

Plugable UD-3900Z

Maximum resolution
2560×1440 (Tested configuration: single native HDMI display at 50Hz)4

Connections at a glance.

Symbols show documented connector counts. They do not show port position, device compatibility or simultaneous power allocation.

How they compare

Scroll the table to see every product and specification.

SpecificationOur pickPlugable UD-ULTC4KPlugable UD-3900Plugable UD-3900PDZPlugable UD-3900ZPlugable UD-6950HPlugable UD-6950ZPlugable UD-7400PD
Monitors supported3128332425Up to 26Up to 57
Maximum resolution4K 60Hz12560x144024K32560×1440 (Tested configuration: single native HDMI display at 50Hz)43840x216052x 4K 60Hz68K7
Laptop charging100 W10 W2100 W30 W60 W50 W6140 W9
DisplayLink chipsetDL-6950 DisplayLink1DL-3900 DisplayLink2DL-390010DisplayLink DL-39004DL-6950 DisplayLink5DL-6950 DisplayLink6DL-74007
Video outputs3x HDMI 2.0 or DisplayPort 1.212x HDMI video outputs2Number of HDMI Outputs 332 x HDMI ports42x HDMI 2.0, 2x DisplayPort 1.2112x HDMI 2.0, 2x DisplayPort 1.26two dedicated HDMI video ports, one version 2.1 (for 8K) and one 2.07
USB-A ports41686366656629

Sources

  1. plugable.com
  2. plugable.com
  3. www.compsource.com
  4. www.cannyclever.co.uk
  5. plugable.com
  6. plugable.com
  7. www.macworld.com
  8. www.compsource.com
  9. www.compsource.com
  10. www.cdw.ca
  11. www.newegg.com

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