Jonsbo DS339 Black 3.39 inch IPS Mini Display USB-C Secondary PC Monitoring Screen

The Jonsbo DS339 Black is a compact 3.39-inch IPS mini display designed to serve as a secondary PC monitoring screen. With a square 480x480 resolution and 60 Hz refresh rate, it provides real-time system information such as CPU load, GPU load, RAM usage, temperature, fan speed, and network speed. The display connects via USB-C for both data and power, and is compatible with Windows-based systems using AIDA64 or Jonsbo custom software. Its sleek black aluminum alloy frame and glass panel make it an attractive addition to any desktop setup.

Advantages

Compact and stylish design with magnetic attachment and desktop stand options. Easy USB-C connectivity eliminates the need for separate power. Real-time monitoring enhances system management and aesthetics.

Suitable for

• PC enthusiasts and gamers who want to monitor system performance at a glance.
• Professionals requiring quick access to hardware metrics without cluttering the main screen.
• Users building custom or minimalist desktop setups.

Key specifications

• Display Size: 3.39 inches
• Panel Type: IPS
• Resolution: 480x480 pixels
• Aspect Ratio: 1:1 (Square)
• Refresh Rate: 60 Hz
• Viewing Angle: 178° / 178°
• Connectivity: USB-C (Data & Power)
• Power Input: 5V DC via USB
• Compatibility: Windows (AIDA64, Jonsbo Software)
• Material: Aluminum Alloy Frame, Glass Panel
• Colour: Black
• Cable Included: USB-C to USB-A Cable (approx. 1.5m)

Recommendations

For optimal performance, install the latest Jonsbo monitoring software or use AIDA64. Ensure your system has an available USB-A or USB-C port. The display is best suited for Windows environments.