Innovation First, Inc. 1UCMA-137 1U Cable Management Arm 19" 28.5"-33" computer accessory
- Product Type:Cable…
- Panel Width:19" Rac…
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A three-input HDMI switch routes 4K video at 60 Hz to one display and includes a 33 ft remote
The Ugreen 55857 connects three HDMI sources to a single display, letting you move between a console, a PC and a streaming box without swapping cables. It is built for home-theatre enthusiasts and multi-platform gamers who want one screen to serve several devices. The switch requires a constant 5 V USB power connection for reliable operation.
The switch maintains an 18 Gbps data rate during extended sessions, so 4K@60 Hz, 2560×1440@120 Hz and 1920×1080@240 Hz signals stay stable without drop-outs. HDCP 2.2 and 1.4 compliance keeps protected content flowing, while HDR10, HDR10+ and 12-bit colour pass through unchanged. Manual or remote switching is instant, so the active port changes without a lengthy re-handshake.
With no fan and a compact 12.7×5.84×2.29 in black enclosure weighing 0.23 kg, the unit runs silently and adds negligible heat to an AV rack. Power draw is limited to the 5 V 1 A USB supply, so it does not burden a power strip. The infrared remote works up to 33 ft straight on or 20 ft at a 35° angle, letting you change sources from the sofa without line-of-sight hassle.
| Brand | Ugreen |
|---|---|
| Model | 55857 |
| Part Number | 55857 |
| Type | HDMI |
| Changer Type | HDMI |
| Color | Black |
| Ports | 1 |
| Input Connector | 1 |
| Maximum Resolutions | Normal size |
| Dimensions | 12.7 in x 5.84 in x 2.29 in |
| Weight | 0.23 kilograms |
The switch is a passive, USB-powered unit with no fan, so it runs silently and produces only minimal warmth during continuous use.
A 5 V USB power adapter rated at 1 A or higher is required; the unit does not draw enough power from the HDMI ports alone.
Yes, the switch is backward compatible with 1080p up to 240 Hz, 1440p up to 120 Hz and 4K at 30 Hz, so legacy screens connect without issue.
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