4449-HB1 | 4449HB1 | Lenovo ThinkVision L2021 20 20" Monitor | 1600 x 900

🖥️ Lenovo ThinkVision L2021 20" Monitor (Model 4449HB1) – Smart Design, Solid Performance

The Lenovo L2021 is a business-class 20-inch monitor built for clarity, comfort, and energy efficiency. With a sleek profile and reliable specs, it’s ideal for office environments, educational setups, and everyday computing.

🔧 Key Specifications

• Model: Lenovo L2021 (4449HB1)
• Screen Size: 20 inches (50.8 cm)
• Resolution: 1600 × 900 (HD+)
• Aspect Ratio: 16:9
• Panel Type: TFT-LCD, Twisted Nematic (TN)
• Backlight: CCFL (Cold Cathode Fluorescent Lamp)
• Brightness: 250 cd/m²
• Contrast Ratio: 1000:1
• Response Time: 5 ms
• Pixel Pitch: 0.277 mm
• Viewing Angles: 178° horizontal / 170° vertical
• Refresh Rate:
  • Horizontal: 31–81 kHz
  • Vertical: 50–75 Hz

🔌 Connectivity

• Inputs:
  • 1 × VGA (D-Sub)
  • 1 × DVI-D