14-D (14R - Desktop) can be used on a desktop, floor, or shelf. It optionally fits a 140mm case fans on the back for cooling, fan shroud sold separately. It mounts an integrated US based power strip. It has keystone networking ports in the back as well as cable routing aides in the rear. It stacks on top of desktop variants. It is compatible with all available Little Lab trays.

Built in standoffs and screw mounts for 4 Raspberry Pis. One Pi stack with no hats fits in 2R. Two PIs stacked, with no hats fits in 3R. PI stacks can go up to accommodate hats.

Designed to fit the Ubiquiti Cloud Gateway Ultra and Max. This is a single piece press-fit style tray. This tray is 2R in height and fits in all Little Lab racks.

Mount power supplies, cord spools, or other equipment with Velcro or zip ties on this shelf that allows for flexible placement.

Designed to fit the Netgear GS308 1GB Ethernet Switch. The switch is placed into the tray by bending the tray slightly and fitting it. It is removed by reversing the process.

Patch Panel fits 10 keystones and uses 2R of vertical space. To save overall volume it can be placed directly above a PSU tray if you leave sufficient keystones open for airflow. This hides the PSUs and provides a clean look while allowing for required PSU ventilation.

Faceplate provides a clean look to the rack and controls airflow by forcing it through other areas of the rack.

Spare 140x25mm fan shroud, fits all Little Lab racks.