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Product comparison · 2 laptop docks & port replicators

Plugable Technologies UD-3900 laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-B Black vs Plugable Technologies UD-ULTC4K laptop dock/port replicator Docking USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black

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  • 15specifications compared
  • 5differ
  • 10identical
  • 27known for one product only

Key differences

  • Connectivity technology
    • Wired
    • Docking
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • 2
    • 4
  • Maximum digital resolution
    • 2560 x 1440 pixels
    • 3840 x 2160 pixels

Side by side

Differences highlightedShow differences only
42 specifications
A

Plugable Technologies

UD-3900 laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-B Black

Model UD-3900

View product
B

Plugable Technologies

UD-ULTC4K laptop dock/port replicator Docking USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black

Model UD-ULTC4K

View product
Ports & interfaces3 differ
Connectivity technologyDiffersWiredDocking
Host interfaceDiffersUSB 3.2 Gen 1 (3.1 Gen 1) Type-BUSB 3.2 Gen 1 (3.1 Gen 1) Type-C
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers24
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one1
USB Power Delivery (USB PD)Known for oneYes
USB Power Delivery up toKnown for one60 W
HDMI ports quantity11
HDMI versionKnown for one1.4
DisplayPorts quantityKnown for one2
DisplayPort versionKnown for one1.2
Microphone inYesYes
Headphone outputs11
Headphone connectivity3.5 mm3.5 mm
USB 2.0 ports quantityKnown for one4
DVI-I ports quantityKnown for one1
DC-in jackKnown for oneYes
Networkidentical
Ethernet LANYesYes
Ethernet LAN (RJ-45) ports11
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Copper ethernet cabling technologyKnown for one1000BASE-T
Performance1 differ
Product colourBlackBlack
Card reader integratedNoNo
HD typeKnown for one4K Ultra HD
Maximum digital resolutionDiffers2560 x 1440 pixels3840 x 2160 pixels
Maximum refresh rateKnown for one60 Hz
LED indicatorsKnown for onePower, USB
Maximum analog resolutionKnown for one1920 x 1200 pixels
Plug and PlayKnown for oneYes
Poweridentical
AC input voltageKnown for one20 V
Input currentKnown for one5 A
Power supplyKnown for one100 W
Wireless chargingKnown for oneNo
Power source typeKnown for oneDC
Software1 differ
Windows operating systems supportedDiffersWindows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 Pro, Windows 10 Pro x64, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, WindowsWindows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 IoT Enterprise, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterpris
Mac operating systems supportedKnown for oneMac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.15.3 Catalina, Mac OS X 11.0 Big Sur
Packaging dataidentical
Quantity per packKnown for one1 pc(s)
Packaging contentidentical
Quick start guideYesYes
AC adapter includedKnown for oneYes
Cables includedKnown for oneUSB
Interface adapters includedKnown for oneDVI-I male - VGA female
Other featuresidentical
Number of microphone inputsKnown for one1
USB data transfer ratesKnown for one5000 Mbit/s

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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