Ugreen UG- 70444 USB-C to HDMI Adapter

The Ugreen UG-70444 represents a compact USB-C to HDMI video adapter engineered for high-definition display connectivity. This adapter features USB Type-C 3.1 male to HDMI 2.0 female architecture with dual chipset integration (VL100 and PS176), delivering 4K Ultra HD resolution support at 60Hz refresh rates. Built with an aluminum case housing and 10cm nylon-braided cable extension, the adapter implements DisplayPort Alternate Mode protocol with HDR (High Dynamic Range) support for enhanced visual performance across USB-C enabled devices.

4K Ultra HD with HDR Support

The UG-70444 adapter delivers video output up to 4K resolution at 60Hz (4096×2160 pixels). This specification provides cinema-quality DCI 4K resolution that exceeds standard consumer 4K displays, ensuring exceptional image clarity for professional content creation and media consumption. The 60Hz refresh rate maintains smooth motion rendering for gaming, video playback, and dynamic presentations.

Furthermore, the Ugreen 70444 implements High Dynamic Range (HDR) technology that expands color gamut, contrast ratios, and brightness levels beyond standard dynamic range displays. HDR support enables vivid color reproduction with extended detail in both highlight and shadow regions, creating life-like visual accuracy on compatible 4K HDR televisions and monitors.

Dual Chipset Architecture: VL100 + PS176

This adapter incorporates dual active chipsets that perform complementary signal processing functions. The VL100 chip manages USB-C protocol communication and DisplayPort signal conversion, while the PS176 processor handles HDMI 2.0 protocol translation and signal timing optimization. This dual-chipset configuration ensures stable video transmission by distributing processing loads across specialized components.

Moreover, the Ugreen UG-70444 integrates advanced signal processing algorithms that prevent common video artifacts including screen flickering, image tearing, and frame dropping. The chipset combination maintains consistent pixel clock synchronization and prevents latency issues during high-bandwidth 4K@60Hz transmission, ensuring reliable performance for demanding applications.

Multi-Resolution Gaming Support

The 70444 model supports 2K resolution at 144Hz (2560×1440@144Hz), optimizing the adapter for high-refresh-rate gaming monitors. This specification enables competitive gaming scenarios where frame rate takes precedence over maximum resolution. The 144Hz refresh rate provides smooth motion clarity for fast-paced gaming genres while maintaining sharp 2K image quality.

Additionally, the adapter maintains backward compatibility with lower resolution standards including 1080p Full HD at various refresh rates up to 240Hz on compatible displays. This versatility accommodates diverse display equipment from budget monitors to premium gaming displays requiring high refresh rates.

Premium Aluminum Housing Construction

The UG-70444 features an aluminum alloy case that provides multiple functional benefits. Aluminum construction offers superior heat dissipation compared to plastic housings, managing thermal output from active chipset operation during extended use. The metal casing accelerates heat transfer away from internal components, preventing thermal throttling that could degrade video quality.

Furthermore, the aluminum housing provides electromagnetic interference shielding that protects signal integrity from external radio frequency sources. The rigid metal construction prevents connector deformation from repeated insertions and offers physical protection against impact damage. Gray color finish provides professional aesthetic compatibility with business laptops and workstations.

Advanced 4-Layer Shielding System

The 70444 adapter implements a comprehensive 4-layer shielding architecture consisting of nylon braided outer cover, TPE (Thermoplastic Elastomer) inner jacket, aluminum foil shielding, and dedicated ground wire. This multi-layer construction provides cumulative electromagnetic interference protection that maintains signal purity across the adapter length.

Moreover, the nylon braided outer cover offers mechanical protection against abrasion while maintaining cable flexibility. The TPE jacket provides additional insulation and strain relief, preventing internal conductor damage from repeated bending. The aluminum foil layer blocks high-frequency interference, while the ground wire provides electrical safety and reduces signal noise.

Compact 10cm Cable Design

The Ugreen UG-70444 features a 10-centimeter (approximately 4-inch) nylon-braided cable extension that balances portability with practical connectivity. This compact dimension minimizes adapter bulk while providing sufficient length to prevent strain on USB-C ports from heavy HDMI cables. The short cable design maintains signal integrity without requiring additional amplification.

Additionally, the flexible nylon-braided cable construction with extended wire joint provides enhanced durability at connection points where stress concentrations typically cause failure. The cable extension allows the HDMI female port to extend away from the device, accommodating HDMI cable connectors without blocking adjacent ports on laptops or tablets.

DisplayPort Alternate Mode with Thunderbolt Compatibility

The UG-70444 utilizes DisplayPort Alternate Mode technology that repurposes USB-C connector pins for direct video signal transmission. This protocol enables USB-C devices to output video signals through the USB-C port without requiring separate display controller hardware. The adapter supports USB-C 3.1 specification with sufficient bandwidth for 4K@60Hz transmission.

Furthermore, the adapter provides full compatibility with Thunderbolt 3 and Thunderbolt 4 ports, which natively support DisplayPort Alternate Mode protocols. This ensures broad device compatibility across Intel and AMD platforms featuring USB-C ports with video output capabilities. The adapter negotiates proper DisplayPort Alt Mode activation through USB-C configuration channel communication.

Dual Display Mode Functionality

The Ugreen 70444 supports both mirror mode and extended display mode configurations. Mirror mode duplicates source device displays onto external monitors, ideal for presentations, digital signage, and media viewing scenarios. Extended mode treats the HDMI display as separate screen space, enabling productivity workflows across multiple monitors with independent content on each display.

Additionally, the adapter implements plug-and-play functionality requiring no driver installation or software configuration. The automatic display detection system recognizes connected displays and configures appropriate resolutions without manual intervention, simplifying setup for non-technical users.

Technical Specifications

Physical Characteristics

• Model Number: Ugreen UG-70444 / CM297
• Cable Length: 10cm (approximately 4 inches)
• Color: Gray (Space Gray)
• Adapter Type: USB-C to HDMI Video Adapter
• Weight: 100 grams
• Dimensions: 140mm x 85mm x 17mm
• Connector Type Side 1: USB Type-C 3.1 Male
• Connector Type Side 2: HDMI 2.0 Female
• Connector Orientation: Reversible USB-C connector

Video Performance Specifications

• Maximum Resolution: 4K Ultra HD at 60Hz (4096×2160@60Hz)
• Gaming Resolution: 2K at 144Hz (2560×1440@144Hz)
• HDMI Standard: HDMI 2.0
• HDR Support: High Dynamic Range enabled
• DisplayPort Protocol: DisplayPort Alternate Mode
• USB-C Standard: USB 3.1 Type-C
• Refresh Rate: Up to 60Hz at 4K, 144Hz at 2K
• Color Depth: Enhanced color reproduction with HDR

Audio Specifications

• Audio Support: High-fidelity digital audio transmission
• Audio Formats: Multi-channel audio compatible
• Audio Transmission: Embedded audio through HDMI
• Audio Quality: Crystal-clear synchronized audio

Chipset and Technology

• Primary Chipset: VL100 signal processor
• Secondary Chipset: PS176 HDMI converter
• Dual Chipset Configuration: VL100 + PS176 combination
• Signal Processing: Active conversion with anti-flicker technology
• Protocol Conversion: DisplayPort to HDMI 2.0
• Stability Features: Prevents picture delay and flickering

Construction Materials

• Housing Material: Aluminum alloy case
• Cable Jacket: Nylon braided outer cover
• Inner Jacket: TPE (Thermoplastic Elastomer)
• Shielding System: 4-layer protection architecture
• Shielding Layers: Nylon braid, TPE jacket, aluminum foil, ground wire
• Heat Management: Aluminum heat-resistant casing
• Wire Joint: Extended strain relief design

Display Mode Features

• Mirror Mode: Duplicate display content on external screen
• Extended Mode: Separate workspace for multi-monitor setups
• Plug and Play: No driver or software installation required
• Auto Detection: Automatic display recognition and configuration
• Multi-Tasking: Simultaneous productivity and entertainment

Compatibility

• Laptop Support: MacBook Pro/Air, Dell XPS, HP Spectre, Surface Book, Lenovo Yoga, ThinkPad
• Tablet Support: iPad Pro/Air/Mini (with USB-C), Surface Pro, Samsung Galaxy Tab
• Smartphone Support: iPhone 15/16 Pro Max, Samsung Galaxy S24/S25 Ultra, Google Pixel
• Desktop Support: iMac, Mac Mini with USB-C/Thunderbolt ports
• Thunderbolt Compatibility: Thunderbolt 3 and Thunderbolt 4 ports
• Display Compatibility: HDMI monitors, 4K TVs, projectors, gaming displays

Connection Requirements

• DisplayPort Alt Mode: Source device must support DP Alt Mode
• USB-C with Video: Not all USB-C ports support video output
• HDMI Cable: Requires standard HDMI cable (not included)
• Operating Systems: Windows, macOS, Android, Chrome OS, Linux

Protection and Performance

• EMI Protection: 4-layer shielding against electromagnetic interference
• Heat Dissipation: Aluminum casing thermal management
• Signal Integrity: Crystal-clear image with no pixelation
• Stable Transmission: Anti-flicker and anti-lag technology
• Durability: Nylon braiding and metal housing for longevity