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Ugreen India  |  एसकेयू: 55451
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UGREEN 55451 2×1 USB-C to HDMI Switch, 4K60

Rs. 3,702.00 Rs. 7,775.00
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2 USB-C SOURCES • 1 HDMI DISPLAY • 4K60

UGREEN 55451 2×1 USB-C to HDMI Switch, 4K60

UGREEN 55451 is a two-input, one-output video switch for selecting between two USB-C sources on one HDMI display. This buying guide makes the port direction, display behavior, power, cable requirements and limitations clear before installation.

Exact SKU 55451Up to 4K60; backward compatible with 4K30 and 1080p60SWITCH
UGREEN 55451 two USB-C input one HDMI output switch
SKU 55451: Exact-model overview: two DP Alt Mode USB-C sources share one HDMI display through a manual one-button selector.
1

Overview

USB-C Source 1 or USB-C Source 2 (both must support DisplayPort Alt Mode) → button selection → one HDMI display output.

Correct direction is the first troubleshooting check. Similar-looking HDMI, DisplayPort and USB-C products can require completely different source and display sides.

UGREEN 55451 two USB-C laptops sharing one HDMI monitor
SKU 55451: Two compatible USB-C video sources connect to PC1 and PC2, while the single HDMI output feeds one display.
2

Key features

Inputs

2 × USB-C female video inputs

Outputs

1 × HDMI Type-A female

Video ceiling

Up to 4K60; backward compatible with 4K30 and 1080p60

Power

No separate power input or charger function is documented; do not connect chargers as though the source ports were PD inputs
UGREEN 55451 HDR10 Plus comparison artwork for a compatible display path
SKU 55451: HDR can pass only when the selected USB-C source, video cable, switch and HDMI display support the same HDR mode.
3

How switching and multi-display behavior works

Two USB-C video sources share one HDMI display. The direction is fixed and cannot be reversed. Only one monitor is supported; it cannot send one source to two USB-C screens.

Control: Manual button only; automatic switching is not supported.

Never assume: a product advertised as “bidirectional,” “splitter” or “matrix” behaves like another topology. Follow the exact source/output map above.

UGREEN 55451 two input one output direction and unsupported reverse arrangement
SKU 55451: The direction is fixed: two USB-C sources to one HDMI display. One source cannot be sent to two USB-C displays.
4

Verified resolution, refresh and feature boundary

Maximum listed mode

Up to 4K60; backward compatible with 4K30 and 1080p60

Interface boundary

18Gbps HDMI output path; HDR and HDCP 2.2 listed

Audio path

Compatible audio is carried with HDMI video; Dolby Atmos is listed for a compatible complete path. ARC is explicitly not supported.

Complete-path rule

Source, every cable, selector/distributor, display input, EDID and protected-content requirements must all agree. One weaker component can lower or blank the link.
UGREEN 55451 4K60 1440p and 1080p high refresh display artwork
SKU 55451: Listed video modes require DP Alt Mode at the selected USB-C source and a compatible HDMI display, cable and content-protection path.
5

Use scenarios

Scenario 1

Share one 4K monitor between two USB-C laptops

Scenario 2

Switch a desk display between a work laptop and compatible tablet

Scenario 3

Use one HDMI TV with two DP Alt Mode handheld devices

Scenario 4

Reduce repeated USB-C port reconnecting at a hot desk
UGREEN 55451 switching a meeting display between two USB-C laptops
SKU 55451: The manual switch is useful at a shared desk or meeting display; its USB-C source ports do not provide PD charging or general USB data.
6

Setup and usability guidance

  1. Step 1: Verify both USB-C ports provide DisplayPort Alt Mode; a USB-C shape alone is insufficient.
  2. Step 2: Use fully featured USB-C cables no longer than 2m to the two inputs.
  3. Step 3: Connect HDMI Output to one HDCP-capable display.
  4. Step 4: Select the correct display input, then press the switch button for Source 1 or Source 2.
  5. Step 5: Start at 1080p60 and move to 4K60 after both sources are confirmed.
  6. Step 6: Do not connect docks, storage enclosures or chargers to the source inputs.

Best first test: one source, one short cable path, one display and 1080p60. Expand only after this baseline works.

UGREEN 55451 two USB-C source cables and one HDMI output cable connected
SKU 55451: Connect two fully featured USB-C video cables and one HDMI display cable, then use the local button; no driver or separate power adapter is documented.
7

Compatible devices and systems

Compatible system boundary

Laptops, tablets, phones and handhelds whose USB-C port explicitly supports DisplayPort Alt Mode, connected to one HDMI monitor, TV or projector that accepts the selected mode and HDCP path.

Cable planning

UGREEN recommends Thunderbolt 4 or fully featured USB-C cables no longer than 2m. Charge-only and USB 2.0-only USB-C cables cannot supply display video.

Audio planning

Compatible audio is carried with HDMI video; Dolby Atmos is listed for a compatible complete path. ARC is explicitly not supported.

Power planning

No separate power input or charger function is documented; do not connect chargers as though the source ports were PD inputs
UGREEN 55451 compatible USB-C laptops phones tablets and HDMI displays
SKU 55451: Compatibility is determined by DP Alt Mode video support, not connector shape alone; charging-only and data-only USB-C ports will not work.
8

What this product does

  • Follows this path: USB-C Source 1 or USB-C Source 2 (both must support DisplayPort Alt Mode) → button selection → one HDMI display output.
  • Supports its exact ceiling: Up to 4K60; backward compatible with 4K30 and 1080p60.
  • Uses these ports: 2 × USB-C female video inputs → 1 × HDMI Type-A female.
  • Handles control this way: Manual button only; automatic switching is not supported.
  • Passes compatible audio: Compatible audio is carried with HDMI video; Dolby Atmos is listed for a compatible complete path. ARC is explicitly not supported.
9

What this product does not do

  • Fixed USB-C-source to HDMI-display direction
  • No DisplayPort Alt Mode means no picture
  • One display only
  • No automatic switching
  • ARC, CEC and FreeSync are explicitly not supported
  • Do not place a Thunderbolt dock or Thunderbolt drive enclosure in the input path
10

What to do

Label

Label every source, output and power cable before installation.

Build gradually

Start at 1080p60 with one display, then add outputs or increase resolution in stages.

Verify cables

Use short, verified cables for 4K/high-refresh operation and replace suspect cables before changing advanced settings.

Power safely

Keep ventilation openings clear and use only the specified power arrangement.

Record settings

Save working resolution, HDR, HDCP and audio settings for future troubleshooting.
11

What not to do

Do not reverse

Do not infer reverse direction or simultaneous outputs beyond the exact topology.

Do not confuse

Do not treat a switch as a splitter, a splitter as a switch, or either as a capture device.

Do not assume scaling

Do not assume every display can use its own independent resolution or refresh rate.

Do not force

Do not force connectors, hot-plug damaged cables or use an unverified power supply.

Do not overclaim

Do not promise DSC, MST, eARC, VRR or gaming modes unless this exact SKU explicitly lists them.
12

Warnings and limitations

  • Power: No separate power input or charger function is documented; do not connect chargers as though the source ports were PD inputs.
  • Display negotiation: mixed displays can force a lower common mode or create a blank screen.
  • Protected content: HDCP must be supported end to end; the device cannot bypass protection.
  • Heat and moisture: indoor use only; keep dry, ventilated and away from direct heat.
  • Cables: UGREEN recommends Thunderbolt 4 or fully featured USB-C cables no longer than 2m. Charge-only and USB 2.0-only USB-C cables cannot supply display video.
UGREEN 55451 USB-C DP Alt Mode and data-only port compatibility warning
SKU 55451: Before installation, verify the USB-C port exposes DisplayPort Alt Mode or a compatible Thunderbolt video path; data-only and charging-only ports are unsuitable.
13

Technical specifications

Brand / SKU UGREEN 55451
Product type a two-input, one-output video switch for selecting between two USB-C sources on one HDMI display
Signal path USB-C Source 1 or USB-C Source 2 (both must support DisplayPort Alt Mode) → button selection → one HDMI display output.
Inputs 2 × USB-C female video inputs
Outputs 1 × HDMI Type-A female
Power No separate power input or charger function is documented; do not connect chargers as though the source ports were PD inputs
Topology 2 USB-C video inputs / 1 HDMI output
Required source feature DisplayPort Alt Mode over USB-C
Listed maximum 4K@60Hz
Bandwidth 18Gbps as listed
Listed video features HDR; HDCP 2.2
Switching Manual button
Explicit exclusions No reverse use, auto switching, ARC, CEC or FreeSync
14

Troubleshooting checklist

No picture

Confirm direction, power, active source and display input. Test one display at 1080p60 with short cables.

Picture drops

Replace one cable at a time, reduce resolution/refresh and disconnect extra outputs until the failing leg is isolated.

Wrong resolution

Choose a mode supported by every connected display and check the exact EDID or output-selection behavior.

No audio

Select the display path as the source audio output and use a format supported by the display or receiver.

Remote or hotkey fails

Use the documented control path, check battery/IR line of sight or designated keyboard port, then test the local button.

Protected video blanks

Confirm the exact HDCP level across the source, device and every active display. This product cannot bypass HDCP.
15

Package contents

In the box

1 × UGREEN 55451 USB-C-to-HDMI switch. The exact listing does not clearly identify USB-C or HDMI cables as included, so plan to supply two fully featured USB-C video cables and one HDMI cable.

16

Exact-SKU research and media reconciliation

Primary source: the exact UGREEN India page and current live Shopify record.

Visual check: Exact gallery and copy agree on two USB-C inputs, one HDMI output and 4K60. Marketing compatibility lists were narrowed to the real requirement—DP Alt Mode. Copy retains the exact no-ARC/no-CEC/no-FreeSync and no-dock limits, and does not invent PD charging, USB data or reverse HDMI input.

Research policy: conflicting shared artwork, adjacent-model specifications and unsupported feature combinations were excluded instead of being blended into the copy.

17

Product-specific FAQ

What does UGREEN 55451 do?
It is a two-input, one-output video switch for selecting between two USB-C sources on one HDMI display.
What is the exact signal direction?
USB-C Source 1 or USB-C Source 2 (both must support DisplayPort Alt Mode) → button selection → one HDMI display output.
What is the maximum verified display mode?
Up to 4K60; backward compatible with 4K30 and 1080p60. The final mode is limited by the source, every cable, the switch/splitter and the display or displays.
Can it create an extended desktop?
No independent multi-display workspace is created. Two USB-C video sources share one HDMI display. The direction is fixed and cannot be reversed. Only one monitor is supported; it cannot send one source to two USB-C screens.
Does it need external power?
No separate power input or charger function is documented; do not connect chargers as though the source ports were PD inputs.
Does it carry audio?
Compatible audio is carried with HDMI video; Dolby Atmos is listed for a compatible complete path. ARC is explicitly not supported.
Which cables are required?
UGREEN recommends Thunderbolt 4 or fully featured USB-C cables no longer than 2m. Charge-only and USB 2.0-only USB-C cables cannot supply display video. Cables not named in the package contents must be supplied separately.
What should I try if there is no picture?
Confirm the signal direction and active source, attach required power, select the correct display input, reseat cables and begin at 1080p60 with one display. Add other outputs or higher modes only after a stable base link.
Can it improve resolution, refresh rate or HDCP?
No. It can only pass or route modes already supported throughout the complete connection. It cannot upgrade a source, cable or display.
What is included?
1 × UGREEN 55451 USB-C-to-HDMI switch. The exact listing does not clearly identify USB-C or HDMI cables as included, so plan to supply two fully featured USB-C video cables and one HDMI cable.
What exact-model conflicts were removed?
Exact gallery and copy agree on two USB-C inputs, one HDMI output and 4K60. Marketing compatibility lists were narrowed to the real requirement—DP Alt Mode. Copy retains the exact no-ARC/no-CEC/no-FreeSync and no-dock limits, and does not invent PD charging, USB data or reverse HDMI input.

Before ordering UGREEN 55451

Match the source connector, display connector, exact topology, power method and highest mode you really need. Count separately purchased HDMI, DisplayPort and USB-C cables before installation day.

SKU 554512 USB-C SOURCES • 1 HDMI DISPLAY • 4K60

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