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Product comparison · 2 usb graphics adapters

StarTech.com USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz vs Vivolink VLHUB21 USB graphics adapter

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  • 17specifications compared
  • 10differ
  • 7identical
  • 23known for one product only

Key differences

  • USB connector type
    • USB Type-A, USB Type-C
    • USB Type-C
  • Number of displays supported
    • 2
    • 1
  • HDMI ports quantity
    • 2
    • 1
  • Width
    • 52.8 mm
    • 60 mm
  • Height
    • 11 mm
    • 155 mm
  • Weight
    • 66 g
    • 138 g
  • Package weight
    • 75 g
    • 472 g
  • Master (outer) case width
    • 430 mm
    • 165 mm

Side by side

Differences highlightedShow differences only
40 specifications
A

StarTech.com

USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz

Model 107B-USB-HDMI-2

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B

Vivolink

VLHUB21 USB graphics adapter

Model VLHUB21

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Performance3 differ
USB version3.2 Gen 1 (3.1 Gen 1)3.2 Gen 1 (3.1 Gen 1)
USB connector typeDiffersUSB Type-A, USB Type-CUSB Type-C
USB connector genderMaleMale
USB connector form factorStraightStraight
HDMI outputYesYes
DisplayPort outputKnown for oneNo
Number of displays supportedDiffers21
HDMI ports quantityDiffers21
HDMI version1.41.4
Internal memoryKnown for one8192 MB
Internal memory typeKnown for oneDDR3
Maximum resolution3840 x 2160 pixels3840 x 2160 pixels
Refresh rate at maximum resolution30 Hz30 Hz
Supported graphics resolutionsKnown for one3840 x 2160, 2560 x 1400, 1920 x 1080 (HD 1080), 1600 x 900, 1280 x 720 (HD 720)
Audio output channelsKnown for one2.0 channels
ChipsetKnown for oneSilicon Motion - SM768
System requirementsidentical
Mac compatibilityKnown for oneYes
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 Pro x64, Windows 10 x64, Windows 11, Windows 11 Enterprise, Windows 11 Enterp
Mac operating systems supportedKnown for oneMac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 15.0 Sequoia, Mac OS 26 Tahoe
Linux operating systems supportedKnown for oneYes
Other operating systems supportedKnown for oneChromeOS
Weight & dimensions3 differ
WidthDiffers52.8 mm60 mm
DepthKnown for one100 mm
HeightDiffers11 mm155 mm
WeightDiffers66 g138 g
USB cable lengthKnown for one0.183 m
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Storage temperature (T-T)Known for one-10 - 70 °C
Operating relative humidity (H-H)Known for one5 - 90%
Packaging data1 differ
Package widthKnown for one157 mm
Package depthKnown for one126 mm
Package heightKnown for one19 mm
Package weightDiffers75 g472 g
Packaging contentidentical
Quick installation guideKnown for oneYes
Technical detailsidentical
Compliance certificatesKnown for oneRoHS
Logistics data3 differ
Products per master (outer) caseKnown for one40 pc(s)
Master (outer) case widthDiffers430 mm165 mm
Master (outer) case lengthDiffers340 mm330 mm
Master (outer) case heightDiffers150 mm50 mm
Designidentical
Housing materialKnown for oneMetal

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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