1. Performance: Equipped with an 8th generation Intel Core i5 processor, the EliteBook 840 G6 delivers solid performance suitable for multitasking, productivity tasks, and moderate computing needs.
2. Portability: With its sleek and lightweight design, the EliteBook 840 G6 is highly portable, making it convenient for professionals who need to work on-the-go or travel frequently.
3. Durability: HP EliteBooks are known for their robust build quality and durability. The G6 model features a sturdy chassis and undergoes MIL-STD 810G testing for durability, ensuring it can withstand various environmental conditions and everyday wear and tear.
4. Security Features: HP emphasizes security in its EliteBook lineup. The EliteBook 840 G6 comes with various security features such as HP Sure Start Gen5, HP Sure Recover Gen2, HP Sure Click, HP Sure Sense, and optional features like HP Sure View privacy screen, HP Privacy Camera, and HP Multi-Factor Authenticate.
5. Connectivity: The EliteBook 840 G6 offers a range of connectivity options, including USB-C, USB 3.1, HDMI, and Ethernet ports, allowing users to connect to various peripherals and external displays.
6. Display Options: Depending on the configuration, the EliteBook 840 G6 offers multiple display options, including Full HD (1920×1080) and touchscreen displays, providing users with flexibility based on their preferences and requirements.
7. Battery Life: The EliteBook 840 G6 typically offers good battery life, allowing users to work for extended periods without needing to recharge frequently. Battery life can vary based on usage and configuration.
8. Manageability: For IT administrators, HP EliteBooks come with features that facilitate easy deployment, management, and maintenance, such as HP Manageability Integration Kit (MIK) and HP System Software Manager (SSM).
9. Audio and Collaboration Features: The EliteBook 840 G6 is equipped with Bang & Olufsen-tuned audio for improved sound quality, making it suitable for multimedia consumption and conference calls.

Overall, the HP EliteBook 840 G6 i5/8GB/256SSD 8th Gen Laptop offers a compelling combination of performance, portability, security, and durability, making it a solid choice for professionals and business users alike.