Designed to securely store & charge notebook PCs-from minis up to a 15.6 screen size-inside the classroom, these innovative carts have a large compartment with up to 30 individual, smooth-edged shelves for easy, quick, & safe loading & unloading by teachers & students, & a separate, locked IT compartment to store notebook power adapters (Charging & Managed Charging Carts) & Ethernet connectors (Managed Charging Carts). The HP 30-Notebook Managed Charging Cart stores & charges 30 units & include Ethernet cables for convenient batch installation of software updates or virus protection.