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 EliteBook 8540P 15.6 Laptop PC, Intel Core i5-520M up to 2.93GHz, 4G DDR3, 320G, DVDRW, WiFi. Includes: Computer, Power Supply, Warranty Instruction. Ports: DisplayPort, VGA, FireWire, Microphone input, Headphone output, Modem, LAN, 3 x USB 2.0, 2 x USB 3.0, eSATA, Dock, Battery. Operating System: Windows 10 Pro 64 Bit Multi-Language.