Ships fully assembled. Features two fold-out storage cubbies that also double as a locking security enclosure. Each storage cubby measures 12"W x 11"D x 16 1/4"H and has an adjustable shelf. Powerful magnetic stops hold the cubbies in place, and makes it a breeze to close. When opened, your monitor and a 24 1/2"W x 11 1/8"D work surface is revealed with ample space for a keyboard (up to 2 1/2" max height) and writing surface. The monitor interior dimensions are 24 3/8"W x 10 1/4"D x 19 1/2"H and can fit monitors up to 24". Also featured are both left and right retractable 10"W x 7 3/4"D mouse trays providing even more work space. The middle locking cabinet can be used for storage or for your desktop PC. The middle cabinet interior measures 24 3/8"W x 9"H x 21"D, large enough for almost any desktop computer. It comes with front and rear locking doors for ultimate convenience. Middle cabinet door openings measure 22"W x 8 1/2"H. The bottom cabinet also incorporates a front a rear locking door as well as a height-adjustable shelf for peripherals or other items. Moves on 4 industrial swivel casters (2 with brakes). Optional accessories include up to 4 cooling fans (1 for the top, 1 for the middle cabinet, and 2 for the bottom cabinet), a dual-sided power outlet, a CPU side cabinet, side pocket or a set of two folding shelves. All locks are keyed alike for convenience.