Colorlight CS20-8K Media Server for Multi-Screen Playback
The Colorlight CS20-8K is a 4U media server for 8K video decoding and playback, with four Mini DisplayPort video outputs and GrandShow software. It supports an overall output of 8192 × 4608 at 60 Hz and provides front-panel touch control for project loading, scene selection and color adjustment.
Build and Operate Your Presentation
Arrange video, images, PowerPoint files and text into multiple scenes. GrandShow supports preview, scene copying, screen freeze and background images, along with content rotation and layouts for wide or irregular displays. Operators can monitor playback and system status while preparing the next scene.
Live sources can use NDI or an optional capture card. The server also supports 10-bit HDR playback, master/slave backup, MIDI control and Pad APP operation. Network wake-up, automatic startup after power is applied and scheduled shutdown support unattended playback arrangements.
Technical Specifications
Based on the CS20-8K V2.0 specification supplied below.
| Parameter | Specification |
|---|---|
| Chassis | 4U |
| Video outputs | 4 × Mini DisplayPort |
| Maximum overall output | 8192 × 4608 @ 60 Hz |
| Playback output support | Four 4K@60Hz video outputs |
| Operator display connections | 1 × HDMI 2.0 / 1 × DP 1.2; up to 4096 × 2160 @ 60 Hz |
| Processor | Intel, 8 cores / 16 threads |
| Memory / system storage | 16 GB / 500 GB M.2 SSD, expandable |
| Graphics | Quadro professional graphics, 4 GB |
| Optional capture card interfaces | HDMI, SDI, DP and DVI |
| Network | 2.5 Gbps |
| Software | GrandShow |
| Power supply / power | AC 100–240 V, 50/60 Hz / 205 W |
| Dimensions (W × H × D) | 483.0 × 173.6 × 506.1 mm |
| Net weight | 17 kg |
| Operating conditions | 0–45°C; 10–80% RH, non-condensing |
Frequently Asked Questions
What is the maximum total output resolution?
The CS20-8K V2.0 specification lists 8192 × 4608 at 60 Hz for the complete server.
Which connectors carry the playback video?
Four Mini DisplayPort outputs carry playback video. The separate HDMI 2.0 and DP 1.2 operator connections display the software control interface.
Can the CS20-8K play live video?
It supports NDI capture and an optional capture card. The V2.0 specification lists HDMI, SDI, DP and DVI capture interfaces; confirm the installed card for your sources.
Does it support unattended operation?
Network wake-up, automatic startup when power is applied and scheduled shutdown are supported. Configure the playback project and schedule for the intended installation.
Can I control scenes without using the main software interface?
Yes. The front touchscreen supports scene switching, and the specification also lists MIDI, Pad APP and central-control protocol support.
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