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Product comparison · 2 usb graphics adapters

StarTech.com USB-C to Dual-HDMI Adapter - USB-C or A to 2x HDMI - 4K vs StarTech.com 3-Port USB-C Multi-Monitor Adapter, USB Type-C to 3x HDMI MST Hub, Triple 4K

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  • 28specifications compared
  • 16differ
  • 12identical
  • 20known for one product only

Key differences

The StarTech.com 3-Port USB-C Multi-Monitor Adapter, USB Type-C to 3x HDMI MST Hub, Triple 4K has 1 more displays supported than the StarTech.com USB-C to Dual-HDMI Adapter - USB-C or A to 2x HDMI - 4K (3 vs 2). The StarTech.com 3-Port USB-C Multi-Monitor Adapter, USB Type-C to 3x HDMI MST Hub, Triple 4K has 1 more HDMI ports quantity than the StarTech.com USB-C to Dual-HDMI Adapter - USB-C or A to 2x HDMI - 4K (3 vs 2). The StarTech.com USB-C to Dual-HDMI Adapter - USB-C or A to 2x HDMI - 4K has 3.1 channels more audio output channels than the StarTech.com 3-Port USB-C Multi-Monitor Adapter, USB Type-C to 3x HDMI MST Hub, Triple 4K (5.1 channels vs 2.0 channels). Chipset: DisplayLink - DL6950 on the StarTech.com USB-C to Dual-HDMI Adapter - USB-C or A to 2x HDMI - 4K, Synaptics VMM5310 on the StarTech.com 3-Port USB-C Multi-Monitor Adapter, USB Type-C to 3x HDMI MST Hub, Triple 4K. Housing material: Aluminium, Plastic on the StarTech.com USB-C to Dual-HDMI Adapter - USB-C or A to 2x HDMI - 4K, Plastic on the StarTech.com 3-Port USB-C Multi-Monitor Adapter, USB Type-C to 3x HDMI MST Hub, Triple 4K.

  • Number of displays supported
    • 2
    • 3
  • HDMI ports quantity
    • 2
    • 3
  • Audio output channels
    • 5.1 channels
    • 2.0 channels
  • Chipset
    • DisplayLink - DL6950
    • Synaptics VMM5310
  • Housing material
    • Aluminium, Plastic
    • Plastic
  • Storage temperature (T-T)
    • -20 - 70 °C
    • -40 - 70 °C
  • Operating relative humidity (H-H)
    • 20 - 80%
    • 0 - 85%
  • Package width
    • 174 mm
    • 145 mm

Side by side

Differences highlightedShow differences only
48 specifications
A

StarTech.com

USB-C to Dual-HDMI Adapter - USB-C or A to 2x HDMI - 4K

Model 109B-USBC-HDMI

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B

StarTech.com

3-Port USB-C Multi-Monitor Adapter, USB Type-C to 3x HDMI MST Hub, Triple 4K

Model MST14CD123HD

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Performance4 differ
USB versionKnown for one3.2 Gen 1 (3.1 Gen 1)
Number of displays supportedDiffers23
HDMI ports quantityDiffers23
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one1
Supported graphics resolutionsKnown for one1280 x 720 (HD 720), 1920 x 1080 (HD 1080), 2560 x 1440, 3840 x 2160
Audio output channelsDiffers5.1 channels2.0 channels
ChipsetDiffersDisplayLink - DL6950Synaptics VMM5310
USB Power Delivery (USB PD)Known for oneYes
High Dynamic Range (HDR) supportedKnown for oneYes
HDMI versionKnown for one2.0
HDCPKnown for oneYes
HDCP versionKnown for one2.2
Refresh rate at maximum resolutionKnown for one60 Hz
Design1 differ
Housing materialDiffersAluminium, PlasticPlastic
Integrated USB cableKnown for oneYes
System requirements1 differ
Mac compatibilityKnown for oneYes
Windows operating systems supportedDiffersWindows 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 11, Windows 11 Enterprise, Windows 11 EnterpWindows 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 11, Windows 11 x64
Mac operating systems supportedKnown for oneMac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac 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, Mac OS X 12.0 Monterey, Mac OS X 13.0 Ventura
Linux operating systems supportedKnown for oneUbuntu 18.04 LTS, Ubuntu 20.04 LTS
Other operating systems supportedKnown for oneChromeOS
Weight & dimensionsidentical
WidthKnown for one43 mm
DepthKnown for one105 mm
HeightKnown for one14 mm
WeightKnown for one72 g
Operational conditions2 differ
Storage temperature (T-T)Differs-20 - 70 °C-40 - 70 °C
Operating relative humidity (H-H)Differs20 - 80%0 - 85%
Packaging data4 differ
Package widthDiffers174 mm145 mm
Package depthDiffers143 mm174 mm
Package heightDiffers30 mm32 mm
Package weightDiffers180 g124 g
Packaging contentidentical
Interface adapters includedKnown for oneUSB Type-A male - USB Type-C female
Quick installation guideKnown for oneYes
Logistics data4 differ
Products per master (outer) caseDiffers40 pc(s)70 pc(s)
Master (outer) case widthDiffers360 mm473 mm
Master (outer) case lengthDiffers337 mm331 mm
Master (outer) case heightDiffers328 mm440 mm

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