Product comparison · 2 usb graphics adapters

StarTech.com USB-C to Dual HDMI Adapter, USB Type-C Multi-Monitor MST Hub, Dual 4K vs StarTech.com 3-Port USB-C Multi-Monitor Adapter, USB Type-C to 3x DisplayPort 1.4 MST Hub, Triple 4K

33specifications compared
14differ
19identical
6known 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-C to Dual HDMI Adapter, USB Type-C Multi-Monitor MST Hub, Dual 4K (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-C to Dual HDMI Adapter, USB Type-C Multi-Monitor MST Hub, Dual 4K (4096 x 2160 pixels vs 3840 x 2160 pixels). The StarTech.com USB-C to Dual HDMI Adapter, USB Type-C Multi-Monitor MST Hub, Dual 4K has 5.1 channels more audio output channels than the StarTech.com 3-Port USB-C Multi-Monitor Adapter, USB Type-C to 3x DisplayPort 1.4 MST Hub, Triple 4K (7.1 channels vs 2.0 channels). Only the StarTech.com USB-C to Dual HDMI Adapter, USB Type-C Multi-Monitor MST Hub, Dual 4K has HDMI output. Chipset: Synaptics VMM5200 on the StarTech.com USB-C to Dual HDMI Adapter, USB Type-C Multi-Monitor MST Hub, Dual 4K, Synaptics VMM5330 on the StarTech.com 3-Port USB-C Multi-Monitor Adapter, USB Type-C to 3x DisplayPort 1.4 MST Hub, Triple 4K.

HDMI output
- USB-C to Dual HDMI Adapter, USB Type-C Multi-Monitor MST Hub, Dual 4K:Yes
- 3-Port USB-C Multi-Monitor Adapter, USB Type-C to 3x DisplayPort 1.4 MST Hub, Triple 4K:No
Number of displays supported
- USB-C to Dual HDMI Adapter, USB Type-C Multi-Monitor MST Hub, Dual 4K:2
- 3-Port USB-C Multi-Monitor Adapter, USB Type-C to 3x DisplayPort 1.4 MST Hub, Triple 4K:3
Maximum resolution
- USB-C to Dual HDMI Adapter, USB Type-C Multi-Monitor MST Hub, Dual 4K:3840 x 2160 pixels
- 3-Port USB-C Multi-Monitor Adapter, USB Type-C to 3x DisplayPort 1.4 MST Hub, Triple 4K:4096 x 2160 pixels
Audio output channels
- USB-C to Dual HDMI Adapter, USB Type-C Multi-Monitor MST Hub, Dual 4K:7.1 channels
- 3-Port USB-C Multi-Monitor Adapter, USB Type-C to 3x DisplayPort 1.4 MST Hub, Triple 4K:2.0 channels
Chipset
- USB-C to Dual HDMI Adapter, USB Type-C Multi-Monitor MST Hub, Dual 4K:Synaptics VMM5200
- 3-Port USB-C Multi-Monitor Adapter, USB Type-C to 3x DisplayPort 1.4 MST Hub, Triple 4K:Synaptics VMM5330
Product colour
- USB-C to Dual HDMI Adapter, USB Type-C Multi-Monitor MST Hub, Dual 4K:Black, Grey
- 3-Port USB-C Multi-Monitor Adapter, USB Type-C to 3x DisplayPort 1.4 MST Hub, Triple 4K:Grey
Depth
- USB-C to Dual HDMI Adapter, USB Type-C Multi-Monitor MST Hub, Dual 4K:43 mm
- 3-Port USB-C Multi-Monitor Adapter, USB Type-C to 3x DisplayPort 1.4 MST Hub, Triple 4K:300 mm
Weight
- USB-C to Dual HDMI Adapter, USB Type-C Multi-Monitor MST Hub, Dual 4K:55 g
- 3-Port USB-C Multi-Monitor Adapter, USB Type-C to 3x DisplayPort 1.4 MST Hub, Triple 4K:52 g

Side by side

Differences highlightedShow differences only

Comparison of MST14CD122HD, MST14CD123DP
39 specifications	A StarTech.com USB-C to Dual HDMI Adapter, USB Type-C Multi-Monitor MST Hub, Dual 4K Model MST14CD122HD View product	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
Performance5 differ
HDMI outputDiffers	Yes	No
Number of displays supportedDiffers	2	3
HDMI ports quantityKnown for one	2	Unknown — not stated by the source
Maximum resolutionDiffers	3840 x 2160 pixels	4096 x 2160 pixels
Audio output channelsDiffers	7.1 channels	2.0 channels
ChipsetDiffers	Synaptics VMM5200	Synaptics VMM5330
DisplayPorts quantityKnown for one	Unknown — not stated by the source	3
DisplayPort versionKnown for one	Unknown — not stated by the source	1.4
Design1 differ
Product colourDiffers	Black, Grey	Grey
Housing materialKnown for one	Plastic	Unknown — not stated by the source
System requirements1 differ
Windows operating systems supportedDiffers	Windows 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	Windows 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 compatibilityKnown for one	Unknown — not stated by the source	No
Weight & dimensions2 differ
DepthDiffers	43 mm	300 mm
WeightDiffers	55 g	52 g
Operational conditions3 differ
Operating temperature (T-T)Differs	0 - 70 °C	0 - 40 °C
Storage temperature (T-T)Differs	-10 - 55 °C	-40 - 70 °C
Operating relative humidity (H-H)Differs	5 - 90%	0 - 85%
Packaging data1 differ
Package weightDiffers	108.8 g	92.4 g
Logistics data1 differ
Master (outer) case widthDiffers	460 mm	473 mm
Harmonized System (HS) codeKnown for one	84733020	Unknown — not stated by the source

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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