55" 4K UHD
Native 3840 × 2160 resolution for detailed signage, presentations and business content.
Official Partner
ViewSonic CDE55G3-1C 55“ 4K Ultra HD OS-Free Commercial Display
In Stock16 available
Express DeliveryFast UK delivery where eligible
3 Year WarrantyManufacturer-backed cover
UK Expert SupportPre-sales and technical advice
Product description
ViewSonic CDEG3-1C Series · CDE55G3-1C
ViewSonic CDE55G3-1C 55" 4K OS-Free Commercial Display
The ViewSonic CDE55G3-1C is a 55-inch 4K UHD commercial display designed for secure, round-the-clock professional use. Its OS-free architecture, 500-nit brightness, 24/7 operation and USB-C, HDMI 2.1, LAN and RS-232 connectivity make it a strong choice for digital signage, meeting rooms, education, healthcare, retail and corporate environments.
Native 3840 × 2160 resolution, landscape or portrait installation, built-in USB media playback and professional AV control compatibility give organisations a flexible commercial display without pre-installed apps or background services.
Explore 55-inch commercial displays or browse digital signage displays.
55" 4K UHD3840 × 2160 native resolution
500 nitsBright indoor commercial display
24/7 operationDesigned for continuous professional use
OS-FreeNo pre-installed apps or background services
Description
Secure commercial display
Purpose-built for security-sensitive professional environments.
The CDE55G3-1C uses an OS-free architecture with no pre-installed apps, background services or third-party systems. This helps reduce software complexity for controlled commercial deployments.
- 55-inch TFT LCD with DLED backlight
- 3840 × 2160 native 4K UHD resolution
- 500 nits typical brightness
- 5000:1 contrast ratio
- 6.5 ms response time
- 178° horizontal / 178° vertical viewing angles
- 50,000-hour backlight life
- 24/7 operation
Commercial display performance at a glance.
500 Nits
Clear visibility for well-lit indoor commercial environments.
OS-Free Architecture
No pre-installed apps or background services.
24/7 Operation
Designed for continuous professional signage and communication.
HDMI 2.1 + USB-C
Flexible connectivity for BYOD and signage player setups.
EPEAT Gold
Designed for lower-impact commercial deployments.
Fast cold boot
Get meetings and signage on screen quickly.
ViewSonic specifies a cold boot time of under eight seconds when using HDMI 2 or HDMI 3, helping minimise waiting at the start of presentations, meetings and scheduled signage playback.
Universal connectivity
USB-C and HDMI 2.1 for straightforward BYOD.
Connect laptops, signage players and AV sources using three HDMI 2.1 inputs or USB-C with DisplayPort 1.2, HDCP 1.4/2.2 and USB 2.0 data. VGA, LAN, RS-232, audio out and SPDIF provide additional flexibility for professional installations.
Landscape + portrait
Flexible installation for signage and meeting spaces.
The CDE55G3-1C supports landscape and portrait installation, making it suitable for meeting rooms, reception screens, information displays, menu boards, wayfinding and vertical digital signage.
Bright 4K images
500-nit 4K UHD visuals for professional spaces.
With native 4K UHD resolution, 500-nit typical brightness and a 5000:1 contrast ratio, the display is designed to keep text, graphics, video and branded content clear in professional indoor environments.
ProAV integration
Built to fit into managed AV environments.
The CDEG3-1C Series supports professional control ecosystems including Crestron Connected, Crestron XiO Cloud, Extron IP Link, Q-SYS and AMX, helping AV teams centralise display and room control.
ViewSonic CDEG3-1C Series sizes
The CDEG3-1C family is available in 43, 55, 65 and 75-inch formats.
FAQs
ViewSonic CDE55G3-1C FAQs
Is the CDE55G3-1C designed for 24/7 use?
Yes. ViewSonic specifies the CDE55G3-1C for 24/7 operation.
What is the brightness and contrast ratio?
The specification lists 500 nits typical brightness and a 5000:1 contrast ratio.
Does it support USB-C?
Yes. It has one USB-C port supporting DP 1.2, HDCP 1.4/2.2 and USB 2.0 data.
Can it be installed vertically?
Yes. The CDE55G3-1C supports both landscape and portrait orientation.
What VESA mount does it use?
The display uses a 400 × 400 mm VESA mounting pattern.
Specifications
Official UK specification
ViewSonic CDE55G3-1C Technical Specifications
| Specification | CDE55G3-1C |
|---|---|
| Display | |
| Panel size | 55" |
| Panel technology | TFT LCD module with DLED backlight |
| Display area | 1209.6 (H) × 680.4 (V) mm; 54.6" diagonal |
| Native resolution | 3840 × 2160 (4K UHD) |
| Aspect ratio | 16:9 |
| Colours | 8-bit + FRC |
| Brightness | 500 nits typical |
| Contrast ratio | 5000:1 |
| Response time | 6.5 ms |
| Viewing angles | 178° horizontal / 178° vertical typical |
| Backlight life | 50,000 hours |
| Surface treatment | 3H hardness; anti-glare coating; 25% haze |
| Bezel | 15.9 / 15.9 / 15.9 / 15.9 mm (L/R/T/B) |
| Orientation | Landscape & Portrait |
| Connectivity | |
| HDMI | 3 × HDMI 2.1; 4K @ 60Hz; HDMI-CEC; HDCP 1.4/2.2; HDMI 3 supports ARC; YUV444/420 |
| VGA | 1 × VGA IN, 1080p @ 60Hz |
| Audio input | 1 × 3.5 mm PC audio in |
| RS-232 | 1 × input |
| Audio output | 1 × 3.5 mm |
| SPDIF | 1 × output |
| LAN | 1 × RJ45; Wake-on-LAN support |
| USB-A | 2 × for system update and media playback |
| USB-C | 1 × with DP 1.2, HDCP 1.4/2.2 + USB 2.0 data |
| Audio, power & operation | |
| Speakers | 10 W × 2 |
| Power voltage | 100–240 VAC ±10% |
| Energy Star power consumption | 75.9 W |
| Operating hours | 24/7 |
| Operating temperature | 0–40°C with automatic overheat shutdown |
| Operating humidity | 20–80% RH, non-condensing |
| Physical | |
| VESA mount | 400 × 400 mm |
| Dimensions (W × H × D) | 1245 × 715 × 78.6 mm |
| Net weight | 14.3 kg / 31.53 lb |
| Gross weight | 19.4 kg / 42.77 lb |
| Included | |
| Package contents | 3 m power cord (region dependent), remote control, 2 × AAA batteries, Quick Start Guide, RS232 adapter, 5 × clamps, 4 × screws, 3 m HDMI cable and compliance statement |
Downloads
CDE55G3-1C Downloads
ViewSonic CDE55G3-1C Datasheet
Download Datasheet
Product specification PDF.
CDEG3 Series User Guide
Download User Guide
English user guide PDF.
Need help with your project?
Planning a 55-inch commercial display installation?
Speak to ScreenMoove about the ViewSonic CDE55G3-1C, mounting, digital signage and commercial AV requirements.
Technical Highlights
- Display size / Screen sizes
- 55"
- Resolution
- Ultra HD (4K)
- Panel type
- TFT Panel
- Screen type
- Flat
- Brightness
- 500 cd/m2
- Response time
- 6.5ms
- Screen ratio
- 16:9
- Refresh rate
- 60Hz
- Display orientation
- Landscape & Portrait
- Operating hours
- 24/7
- Operating system
- None
- Player features
- USB Plug and Play
- VESA patterns
- 400x400
- Warranty
- 3 Year Warranty
ViewSonic CDE55G3-1C 55“ 4K Ultra HD OS-Free Commercial DisplaySKU: CDE55G3-1C
£599.00
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