Hello, generally speaking, the length of the computer desk is 100 mm * 60 mm, 120 mm * 60 mm, 140 mm * 70 mm. Each model focuses on different user groups, depending on your needs. The 140 mm * 70 mm Ouhannuo computer desk I use allows you to comfortably lay your hands flat on the desk while typing, and the large desktop can keep the monitor away from you, For the purpose of protecting our eyesight, if there is no problem with indoor space, you can get this size of home computer desk.