This laptop has been fully tested and refurbished by a licensed technician.  It has had a operating system installed and tested. A genuine Lenovo power adapter is included. Please refer to the specs below.  Make: Lenovo Model: ThinkPad P71 Processor: Intel Xeon E3-1505m v6 @ 3.00GHZ Memory: 32GB  Hard Drive: 512GB NVME Battery: Yes Graphics Card: Nvidia Quadro P4000M  Screen: 17.3'' 3840x2160 OS: Windows 10 Pro Missing Components: None Notes: Normal wear and light scratches 30 Day Warranty.  Please feel free to ask any questions that you may have.  Thanks.