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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 VLHUB121-EXT USB graphics adapter Black

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  • 12specifications compared
  • 8differ
  • 4identical
  • 38known for one product only

Key differences

  • USB version
    • 3.2 Gen 1 (3.1 Gen 1)
    • 2.0/3.2 Gen 1 (3.1 Gen 1)
  • USB connector type
    • USB Type-A, USB Type-C
    • USB Type-A
  • USB connector gender
    • Male
    • Female
  • Number of displays supported
    • 2
    • 1
  • HDMI version
    • 1.4
    • 2.0b
  • Refresh rate at maximum resolution
    • 30 Hz
    • 60 Hz
  • Weight
    • 66 g
    • 40 g
  • Package weight
    • 75 g
    • 50 g

Side by side

Differences highlightedShow differences only
50 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

VLHUB121-EXT USB graphics adapter Black

Model VLHUB121-EXT

View product
Performance6 differ
USB versionDiffers3.2 Gen 1 (3.1 Gen 1)2.0/3.2 Gen 1 (3.1 Gen 1)
USB connector typeDiffersUSB Type-A, USB Type-CUSB Type-A
USB connector genderDiffersMaleFemale
USB connector form factorKnown for oneStraight
HDMI outputYesYes
DisplayPort outputNoNo
Number of displays supportedDiffers21
HDMI ports quantity22
HDMI versionDiffers1.42.0b
Internal memoryKnown for one8192 MB
Internal memory typeKnown for oneDDR3
Maximum resolutionKnown for one3840 x 2160 pixels
Refresh rate at maximum resolutionDiffers30 Hz60 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 channels2.0 channels2.0 channels
ChipsetKnown for oneSilicon Motion - SM768
HDCPKnown for oneYes
HDCP versionKnown for one2.3
Supported video modesKnown for one2160p
LED indicatorsKnown for oneStatus
Data transfer rate (max)Known for one0.35 Gbit/s
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 & dimensions1 differ
WidthKnown for one52.8 mm
DepthKnown for one100 mm
HeightKnown for one11 mm
WeightDiffers66 g40 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 g50 g
Packaging contentidentical
Quick installation guideKnown for oneYes
Cables includedKnown for oneAC
ManualKnown for oneYes
Technical detailsidentical
Compliance certificatesKnown for oneRoHS
Logistics dataidentical
Products per master (outer) caseKnown for one40 pc(s)
Master (outer) case widthKnown for one430 mm
Master (outer) case lengthKnown for one340 mm
Master (outer) case heightKnown for one150 mm
Designidentical
Product colourKnown for oneBlack
Housing materialKnown for oneMetal
Integrated USB cableKnown for oneNo
Poweridentical
Input voltageKnown for one230 V

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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