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 USB-C to Dual Displayport 1.4 Adapter, USB Type-C Multi-Monitor MST Hub, Dual 5K

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  • 27specifications compared
  • 16differ
  • 11identical
  • 18known for one product only

Key differences

  • HDMI output
    • USB-C to Dual-HDMI Adapter - USB-C or A to 2x HDMI - 4K:Yes
    • USB-C to Dual Displayport 1.4 Adapter, USB Type-C Multi-Monitor MST Hub, Dual 5K:No
  • DisplayPort output
    • USB-C to Dual-HDMI Adapter - USB-C or A to 2x HDMI - 4K:No
    • USB-C to Dual Displayport 1.4 Adapter, USB Type-C Multi-Monitor MST Hub, Dual 5K:Yes
  • Maximum resolution
    • USB-C to Dual-HDMI Adapter - USB-C or A to 2x HDMI - 4K:3840 x 2160 pixels
    • USB-C to Dual Displayport 1.4 Adapter, USB Type-C Multi-Monitor MST Hub, Dual 5K:4096 x 2160 pixels
  • Audio output channels
    • USB-C to Dual-HDMI Adapter - USB-C or A to 2x HDMI - 4K:5.1 channels
    • USB-C to Dual Displayport 1.4 Adapter, USB Type-C Multi-Monitor MST Hub, Dual 5K:2.0 channels
  • Housing material
    • USB-C to Dual-HDMI Adapter - USB-C or A to 2x HDMI - 4K:Aluminium, Plastic
    • USB-C to Dual Displayport 1.4 Adapter, USB Type-C Multi-Monitor MST Hub, Dual 5K:Plastic
  • Storage temperature (T-T)
    • USB-C to Dual-HDMI Adapter - USB-C or A to 2x HDMI - 4K:-20 - 70 °C
    • USB-C to Dual Displayport 1.4 Adapter, USB Type-C Multi-Monitor MST Hub, Dual 5K:-40 - 70 °C
  • Operating relative humidity (H-H)
    • USB-C to Dual-HDMI Adapter - USB-C or A to 2x HDMI - 4K:20 - 80%
    • USB-C to Dual Displayport 1.4 Adapter, USB Type-C Multi-Monitor MST Hub, Dual 5K:5 - 90%
  • Package width
    • USB-C to Dual-HDMI Adapter - USB-C or A to 2x HDMI - 4K:174 mm
    • USB-C to Dual Displayport 1.4 Adapter, USB Type-C Multi-Monitor MST Hub, Dual 5K:142 mm

Side by side

Differences highlightedShow differences only (off)
Comparison of 109B-USBC-HDMI, MST14CD122DP
45 specifications
Performance5 differ
USB versionKnown for one3.2 Gen 1 (3.1 Gen 1)Unknown — not stated by the source
USB connector typeUSB Type-CUSB Type-C
USB connector genderMaleMale
USB connector form factorStraightStraight
DVI outputNoNo
HDMI outputDiffersYesNo
DisplayPort outputDiffersNoYes
Number of displays supported22
HDMI ports quantityKnown for one2Unknown — not stated by the source
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one1Unknown — not stated by the source
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 2160Unknown — not stated by the source
Audio output channelsDiffers5.1 channels2.0 channels
ChipsetDiffersDisplayLink - DL6950Synaptics - VMM5220, VIA/VLI - VL103
USB Power Delivery (USB PD)Known for oneYesUnknown — not stated by the source
High Dynamic Range (HDR) supportedKnown for oneUnknown — not stated by the sourceYes
DisplayPorts quantityKnown for oneUnknown — not stated by the source2
HDCPKnown for oneUnknown — not stated by the sourceYes
HDCP versionKnown for oneUnknown — not stated by the source2.2
DisplayPort versionKnown for oneUnknown — not stated by the source1.4
Refresh rate at maximum resolutionKnown for oneUnknown — not stated by the source60 Hz
Design1 differ
Product colourGreyGrey
Housing materialDiffersAluminium, PlasticPlastic
Integrated USB cableKnown for oneYesUnknown — not stated by the source
System requirements1 differ
Mac compatibilityKnown for oneYesUnknown — not stated by the source
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 VenturaUnknown — not stated by the source
Linux operating systems supportedKnown for oneUbuntu 18.04 LTS, Ubuntu 20.04 LTSUnknown — not stated by the source
Other operating systems supportedKnown for oneChromeOSUnknown — not stated by the source
Weight & dimensionsidentical
USB cable length0.3 m0.3 m
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%5 - 90%
Packaging data3 differ
Package widthDiffers174 mm142 mm
Package depthDiffers143 mm170 mm
Package height30 mm30 mm
Package weightDiffers180 g108.8 g
Packaging contentidentical
Interface adapters includedKnown for oneUSB Type-A male - USB Type-C femaleUnknown — not stated by the source
Quick installation guideKnown for oneYesUnknown — not stated by the source
Technical detailsidentical
Compliance certificatesCE, RoHSCE, RoHS
Sustainability complianceYesYes
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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