The image shows an HP EliteBook 840, a business-class laptop. The "G" in the model name (e.g., G3, G4) indicates the generation of the device, with higher numbers signifying newer models and updated internal components, such as processors. For example, the G3 model typically features a 6th generation Intel Core processor, while the G4 model uses a 7th generation processor. The EliteBook series is known for its lightweight design, durability, and features aimed at professional use, such as enhanced security and manageability.