Features 

• Processor: Intel Core i5 Quad-Core (e.g. i5‑4570 or i5‑3470) clocked around 3.2–3.6 GHz, supporting Turbo Boost for effective multitasking 
   
• Memory: 4 GB DDR3 or DDR4 RAM (1600‑2666 MHz) in a single module with at least one additional slot for upgrades up to ~16 GB 
   
• Storage: 500 GB 7,200 RPM SATA HDD — provides plenty of capacity for documents, media, and standard applications 
   
• Graphics: Integrated Intel HD/UHD Graphics (e.g. HD 4600, HD 530, UHD 630), suitable for general use, video playback and light photo editing .
   
• Form Factor & Ports: Available in Mini Tower or Small Form Factor; includes multiple USB 2.0 & 3.0 ports, VGA, DisplayPort (and sometimes HDMI/Ethernet/audio) plus DVD‑RW drive .
   
• Operating System: Typically ships with Windows 10 Pro 64‑bit on refurbished units; some may include FreeDOS or require OS installation .
   
• Upgrade Flexibility & Reliability: Commercial-grade chassis with internal PCIe expansion (x16, x1), tool-less access, business‑class design built for durability and easy upgrades .