This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high-performance bar may offer Certified Refurbished products on Amazon.com. HP ProDesk 600G1 SFF with Intel Core i3 4130 3.4G, 4G DDR3, 500G HDD.(Upgrades Available) Front?(2) USB 3.0 ports, (2) USB 2.0 ports?3.5mm headphone output and microphone jack;Rear?(2) USB 3.0 ports; (4) USB 2.0 ports??1) VGA video port; (2) DisplayPort with multi-stream video ports ?(1) RJ-45 network connector ?3.5mm audio in/out jacks Includes USB English Keyboard and Mouse, Office 365 30-day free trial. Operating System: Windows 10,64 Bit - Multi-Language supports English/Spanish/French.(Upgrades Available)