This is a Lenovo Thinkpad W520 Laptop running windows 11 pro. It is in good working order and excellent cosmetic condition. It has a 2.2Ghz core i7 processor with 16Gb ram and a 240GB Intel SSD. Nvidia Quadro 1000m Graphics, 1980x1020 Screen Resolution. It has an extended battery which is slightly weak and is good for roughly 2 to 3 hours of use. It comes with the original Lenovo charger.