A storage system that is secured to a computer monitor. The system includes a tray that extends across the lower edge of the monitor and includes one or more detachable storage compartments. The storage tray is formed having a front wall, a bottom wall, and a rear wall, collectively forming a U shape. An attachment wall is provided at an upper end of the rear wall for attachment to a computer monitor. The attachment wall can be configured having a horizontal orientation for attachment to a lower surface of the monitor or a vertical orientation for attachment to a rear of the monitor. The interior surfaces of the front wall, the bottom wall, and the rear wall define a storage compartment of the storage tray.