The Zebra ZD621 is a high performance desktop label printer and replaces the ZD620, ZD500 and all GX models. The printer is available in different versions, with a choice between direct thermal or thermal transfer printing technology and 203dpi or 300dpi resolution. All models are equipped with a color display and various connection options.
| Print technology | Direct thermal or thermal transfer |
| Resolution | 203dpi or 300dpi |
| Max. print width | 104mm (203dpi) or 108mm (300dpi) |
| Max. print speed | 203mm per second (203dpi) or 152mm per second (300dpi) |
