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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 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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  • 29specifications compared
  • 25differ
  • 4identical
  • 17known 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 to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz (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 to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz (4096 x 2160 pixels vs 3840 x 2160 pixels). The StarTech.com 3-Port USB-C Multi-Monitor Adapter, USB Type-C to 3x DisplayPort 1.4 MST Hub, Triple 4K has 30 Hz more refresh rate at maximum resolution than the StarTech.com USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz (60 Hz vs 30 Hz). Only the StarTech.com USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz 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.

  • USB connector type
    • USB Type-A, USB Type-C
    • USB Type-C
  • HDMI output
    • Yes
    • No
  • DisplayPort output
    • No
    • Yes
  • Number of displays supported
    • 2
    • 3
  • Maximum resolution
    • 3840 x 2160 pixels
    • 4096 x 2160 pixels
  • Refresh rate at maximum resolution
    • 30 Hz
    • 60 Hz
  • Chipset
    • Silicon Motion - SM768
    • Synaptics VMM5330
  • Mac compatibility
    • Yes
    • No

Side by side

Differences highlightedShow differences only
46 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

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
Performance7 differ
USB versionKnown for one3.2 Gen 1 (3.1 Gen 1)
USB connector typeDiffersUSB Type-A, USB Type-CUSB Type-C
HDMI outputDiffersYesNo
DisplayPort outputDiffersNoYes
Number of displays supportedDiffers23
HDMI ports quantityKnown for one2
HDMI versionKnown for one1.4
Internal memoryKnown for one8192 MB
Internal memory typeKnown for oneDDR3
Maximum resolutionDiffers3840 x 2160 pixels4096 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)
ChipsetDiffersSilicon Motion - SM768Synaptics VMM5330
DVI outputKnown for oneNo
High Dynamic Range (HDR) supportedKnown for oneYes
DisplayPorts quantityKnown for one3
DisplayPort versionKnown for one1.4
Data transfer rate (max)Known for one32.4 Gbit/s
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 10.14 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 & dimensions5 differ
WidthDiffers52.8 mm105 mm
DepthDiffers100 mm300 mm
HeightDiffers11 mm14 mm
WeightDiffers66 g52 g
USB cable lengthDiffers0.183 m0.3 m
Operational conditions2 differ
Storage temperature (T-T)Differs-10 - 70 °C-40 - 70 °C
Operating relative humidity (H-H)Differs5 - 90%0 - 85%
Packaging data4 differ
Package widthDiffers157 mm142 mm
Package depthDiffers126 mm170 mm
Package heightDiffers19 mm30 mm
Package weightDiffers75 g92.4 g
Packaging contentidentical
Quick installation guideKnown for oneYes
Technical details1 differ
Compliance certificatesDiffersRoHSCE, RoHS
Logistics data4 differ
Products per master (outer) caseDiffers40 pc(s)70 pc(s)
Master (outer) case widthDiffers430 mm473 mm
Master (outer) case lengthDiffers340 mm331 mm
Master (outer) case heightDiffers150 mm440 mm
Designidentical
Product colourKnown for oneGrey
Integrated USB cableKnown for oneYes

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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