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Product comparison · 2 usb graphics adapters

StarTech.com USB-C to Dual HDMI Adapter, USB Type-C Multi-Monitor MST Hub, Dual 4K vs Vivolink VLHUB21 USB graphics adapter

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  • 16specifications compared
  • 11differ
  • 5identical
  • 22known for one product only

Key differences

The StarTech.com USB-C to Dual HDMI Adapter, USB Type-C Multi-Monitor MST Hub, Dual 4K has 1 more displays supported than the Vivolink VLHUB21 USB graphics adapter (2 vs 1). The StarTech.com USB-C to Dual HDMI Adapter, USB Type-C Multi-Monitor MST Hub, Dual 4K has 1 more HDMI ports quantity than the Vivolink VLHUB21 USB graphics adapter (2 vs 1). The StarTech.com USB-C to Dual HDMI Adapter, USB Type-C Multi-Monitor MST Hub, Dual 4K has 30 Hz more refresh rate at maximum resolution than the Vivolink VLHUB21 USB graphics adapter (60 Hz vs 30 Hz). Housing material: Plastic on the StarTech.com USB-C to Dual HDMI Adapter, USB Type-C Multi-Monitor MST Hub, Dual 4K, Metal on the Vivolink VLHUB21 USB graphics adapter.

  • Number of displays supported
    • 2
    • 1
  • HDMI ports quantity
    • 2
    • 1
  • Refresh rate at maximum resolution
    • 60 Hz
    • 30 Hz
  • Housing material
    • Plastic
    • Metal
  • Width
    • 105 mm
    • 60 mm
  • Height
    • 14 mm
    • 155 mm
  • Weight
    • 55 g
    • 138 g
  • Package weight
    • 108.8 g
    • 472 g

Side by side

Differences highlightedShow differences only
38 specifications
A

StarTech.com

USB-C to Dual HDMI Adapter, USB Type-C Multi-Monitor MST Hub, Dual 4K

Model MST14CD122HD

View product
B

Vivolink

VLHUB21 USB graphics adapter

Model VLHUB21

View product
Performance3 differ
USB connector typeUSB Type-CUSB Type-C
USB connector genderMaleMale
USB connector form factorStraightStraight
DVI outputKnown for oneNo
HDMI outputYesYes
DisplayPort outputKnown for oneYes
High Dynamic Range (HDR) supportedKnown for oneYes
Number of displays supportedDiffers21
HDMI ports quantityDiffers21
Maximum resolution3840 x 2160 pixels3840 x 2160 pixels
Refresh rate at maximum resolutionDiffers60 Hz30 Hz
Audio output channelsKnown for one7.1 channels
ChipsetKnown for oneSynaptics VMM5200
Data transfer rate (max)Known for one32.4 Gbit/s
USB versionKnown for one3.2 Gen 1 (3.1 Gen 1)
HDMI versionKnown for one1.4
Design1 differ
Product colourKnown for oneBlack, Grey
Housing materialDiffersPlasticMetal
Integrated USB cableKnown for oneYes
System requirementsidentical
Windows operating systems supportedKnown for oneWindows 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 x64, Windows 11, Windows 11 x64
Weight & dimensions3 differ
WidthDiffers105 mm60 mm
DepthKnown for one43 mm
HeightDiffers14 mm155 mm
WeightDiffers55 g138 g
USB cable lengthKnown for one0.3 m
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 70 °C
Storage temperature (T-T)Known for one-10 - 55 °C
Operating relative humidity (H-H)Known for one5 - 90%
Packaging data1 differ
Package widthKnown for one142 mm
Package depthKnown for one170 mm
Package heightKnown for one30 mm
Package weightDiffers108.8 g472 g
Technical detailsidentical
Compliance certificatesKnown for oneCE, RoHS
Logistics data3 differ
Products per master (outer) caseKnown for one70 pc(s)
Master (outer) case widthDiffers460 mm165 mm
Master (outer) case lengthDiffers331 mm330 mm
Master (outer) case heightDiffers440 mm50 mm
Harmonized System (HS) codeKnown for one84733020

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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