Lenovo ThinkCentre Intel Core i5 Quad Core 3.2 GHZ Intel Quad Core i5 3.2 GHZ pretty fast computer 120 GB Solid State Hard drive makes the computer performance excellent Room to add additional drives if this does not seem enough 4 GB Ram Dual layer DVD burner 1gb network port 8 USB connections, 2 are version 2.0 and 6 are version 3.0 System is running Windows 10 professional