The Dell OptiPlex 3040 with a Core i3-6100 processor, 8GB of RAM, and 128GB SSD in good refurbished condition is a solid choice for basic to moderate computing tasks. Here's an overview of the system:

• Processor: Intel Core i3-6100 (Dual-core, 3.7 GHz) — Provides efficient performance for everyday tasks like web browsing, office applications, and light multitasking.
• RAM: 8GB DDR4 — Offers enough memory to run standard applications, such as word processors, spreadsheets, and web browsers, smoothly.
• Storage: 128GB SSD — Faster boot times, quicker application load times, and overall better system responsiveness compared to HDDs.
• Condition: Refurbished in good condition means that the system has been tested, cleaned, and restored to working order. It might have some minor cosmetic signs of use, such as small scratches or dents, but should function well.
• Form Factor: Typically comes in a small form factor (SFF) or mini tower configuration, making it space-efficient for office or home setups.
• Operating System: Likely comes with Windows 10 pre-installed, though this may vary depending on the refurbisher.

The OptiPlex 3040 is designed for business and professional use, and the refurbished model in good condition should be more than capable for tasks like office work, email, web browsing, and media consumption. It is not ideal for demanding applications like gaming or video editing, but it is well-suited for light and moderate use.