Ugreen VGA to HDMI Adapter – UG-50945
The Ugreen UG-50945 serves as a unidirectional signal converter that transforms analog VGA output into digital HDMI format. This adapter enables legacy computers and devices with VGA ports to connect seamlessly with modern HDMI-equipped displays. The device operates through active conversion technology, requiring external power to process the analog-to-digital signal transformation.
Signal Conversion Architecture
The UG-50945 model utilizes an integrated chipset to convert VGA’s analog RGB signal into HDMI’s digital format. This conversion process maintains video integrity while adding audio capabilities that standard VGA connections lack. The adapter features a VGA male connector as the input interface, ensuring direct attachment to source devices without additional cables.
Additionally, the device includes a USB-C power port that supplies 5V/1A to the internal conversion circuitry. This power requirement ensures stable signal processing and prevents display dropouts during operation. The compact conversion module measures 45.5mm in length, 36mm in width, and 10mm in height.
Video Resolution Capabilities
The Ugreen UG-50945 supports Full HD resolution up to 1920×1080 pixels at 60Hz refresh rate. This specification allows for crisp, smooth video output suitable for presentations, media playback, and general computing tasks. The adapter maintains backward compatibility with lower resolutions including 1280×720 and 800×600.
Furthermore, the 60Hz refresh rate delivers fluid motion reproduction. This frame rate proves essential for video conferencing and multimedia presentations where smoothness matters.
Audio Integration System
The UG-50945 incorporates a dedicated 3.5mm stereo audio input port. This feature addresses VGA’s inherent limitation of transmitting only video signals. The audio port accepts standard 3.5mm auxiliary cables from the source device’s audio output.
The integrated audio system supports sampling rates up to 24-bit depth at 32kHz, 44.1kHz, and 48kHz frequencies. These specifications align with standard digital audio quality benchmarks. The adapter synchronizes audio and video signals before transmitting them through the HDMI output, eliminating lip-sync issues.
Physical Design and Construction
The adapter body consists of PC and ABS plastic materials, providing durability while maintaining a lightweight profile at approximately 100 grams. The 15cm attached cable offers flexibility during connection without creating excessive slack. This cable length proves sufficient for desktop and laptop setups.
Moreover, the matte black finish reduces fingerprint visibility and complements professional environments. The compact form factor allows the UG-50945 to fit easily into laptop bags for portable applications.
Plug-and-Play Functionality
The Ugreen UG-50945 operates without requiring driver installation or software configuration. The device recognizes source signals automatically upon connection and begins conversion immediately. This hot-swappable capability allows users to connect and disconnect the adapter while devices remain powered on.
The adapter functions across multiple operating systems including Windows, macOS, and Linux distributions. This cross-platform compatibility eliminates compatibility concerns in mixed-device environments.
Unidirectional Signal Flow
The UG-50945 specifically converts signals from VGA sources to HDMI displays. The device does not support reverse conversion from HDMI to VGA. This directional limitation stems from the active conversion chipset designed explicitly for analog-to-digital transformation.
Consequently, users must verify their connection requirements before purchase. The adapter works with VGA output devices connecting to HDMI input displays, not the inverse configuration.
Ideal Users for the UG-50945
The Ugreen UG-50945 adapter best serves specific user groups based on its technical capabilities:
- Corporate Professionals with Legacy Equipment: The 1080p@60Hz output ensures presentations appear sharp on modern conference room displays, while the 3.5mm audio port enables synchronized sound during multimedia presentations
- Educational Institutions: The plug-and-play design requires no IT support for installation, and the 15cm cable length accommodates typical classroom projector setups without cable management issues
- Home Office Users: The USB-C power port (5V/1A) draws minimal current from laptop USB ports, and the compact 45.5mm x 36mm x 10mm dimensions occupy minimal desk space in crowded workstations
- IT Departments Managing Mixed Infrastructure: Cross-platform compatibility with Windows, macOS, and Linux eliminates the need for multiple adapter types, while the hot-swappable function allows connection changes without system restarts
- Event Coordinators: The lightweight 100-gram design facilitates transport between venues, and the 24-bit audio sampling at 48kHz provides adequate quality for event video playback
Technical Specifications
Input Connections
- VGA Male connector (15-pin D-sub)
- 3.5mm stereo audio jack
- Audio sampling: 24-bit at 32kHz/44.1kHz/48kHz
Output Interface
- HDMI Female port (Type-A)
- Supports HDMI cable extensions up to 20 meters
Video Performance
- Maximum resolution: 1920×1080 pixels
- Refresh rate: 60Hz
- Backward compatible with 720p, SVGA, VGA resolutions
Power Requirements
- USB-C port: 5V/1A
- Power cable length: 1 meter
- External power source required for operation
Physical Dimensions
- Adapter body: 45.5mm (L) x 36mm (W) x 10mm (H)
- Attached VGA cable: 15cm
- Weight: 100 grams
Build Materials
- Housing: PC + ABS plastic composite
- Finish: Matte black
- Connector plating: Gold-plated contacts
Compatibility
- Operating systems: Windows, macOS, Linux
- Hot-swappable: Yes
- Driver requirement: None (driver-free operation)
Functional Characteristics
- Signal direction: VGA to HDMI only (unidirectional)
- Signal type: Analog to digital conversion
- Plug-and-play: Yes
- Audio-video synchronization: Automatic
Model Information
- Product code: UG-50945
- Alternative designation: CM513
- Manufacturer: Ugreen
