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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 DisplayPort 1.4 MST Hub, Triple 4K

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  • 27specifications compared
  • 17differ
  • 10identical
  • 21known for one product only

Key differences

The StarTech.com 3-Port USB-C Multi-Monitor Adapter, USB Type-C to 3x DisplayPort 1.4 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 DisplayPort 1.4 MST Hub, Triple 4K has 256 x 2160 pixels more maximum resolution than the StarTech.com USB-C to Dual-HDMI Adapter - USB-C or A to 2x HDMI - 4K (4096 x 2160 pixels vs 3840 x 2160 pixels). 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 DisplayPort 1.4 MST Hub, Triple 4K (5.1 channels vs 2.0 channels). Only the StarTech.com USB-C to Dual-HDMI Adapter - USB-C or A to 2x HDMI - 4K has HDMI output. Only the StarTech.com 3-Port USB-C Multi-Monitor Adapter, USB Type-C to 3x DisplayPort 1.4 MST Hub, Triple 4K has DisplayPort output.

  • HDMI output
    • Yes
    • No
  • DisplayPort output
    • No
    • Yes
  • Number of displays supported
    • 2
    • 3
  • Maximum resolution
    • 3840 x 2160 pixels
    • 4096 x 2160 pixels
  • Audio output channels
    • 5.1 channels
    • 2.0 channels
  • Chipset
    • DisplayLink - DL6950
    • Synaptics VMM5330
  • Mac compatibility
    • Yes
    • No
  • Storage temperature (T-T)
    • -20 - 70 °C
    • -40 - 70 °C

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 DisplayPort 1.4 MST Hub, Triple 4K

Model MST14CD123DP

View product
Performance6 differ
USB versionKnown for one3.2 Gen 1 (3.1 Gen 1)
USB connector typeUSB Type-CUSB Type-C
USB connector genderMaleMale
USB connector form factorStraightStraight
DVI outputNoNo
HDMI outputDiffersYesNo
DisplayPort outputDiffersNoYes
Number of displays supportedDiffers23
HDMI ports quantityKnown for one2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one1
Maximum resolutionDiffers3840 x 2160 pixels4096 x 2160 pixels
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 VMM5330
USB Power Delivery (USB PD)Known for oneYes
High Dynamic Range (HDR) supportedKnown for oneYes
DisplayPorts quantityKnown for one3
DisplayPort versionKnown for one1.4
Refresh rate at maximum resolutionKnown for one60 Hz
Data transfer rate (max)Known for one32.4 Gbit/s
Designidentical
Product colourGreyGrey
Housing materialKnown for oneAluminium, Plastic
Integrated USB cableYesYes
System requirements2 differ
Mac compatibilityDiffersYesNo
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
USB cable length0.3 m0.3 m
WidthKnown for one105 mm
DepthKnown for one300 mm
HeightKnown for one14 mm
WeightKnown for one52 g
Operational conditions2 differ
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Storage temperature (T-T)Differs-20 - 70 °C-40 - 70 °C
Operating relative humidity (H-H)Differs20 - 80%0 - 85%
Packaging data3 differ
Package widthDiffers174 mm142 mm
Package depthDiffers143 mm170 mm
Package height30 mm30 mm
Package weightDiffers180 g92.4 g
Packaging contentidentical
Interface adapters includedKnown for oneUSB Type-A male - USB Type-C female
Quick installation guideKnown for oneYes
Technical detailsidentical
Compliance certificatesCE, RoHSCE, RoHS
Sustainability complianceKnown 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

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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