The SR16SHELF 3U Rack-Mount Configurable Storage Shelf securely stores up to 16 personal electronic devices in your wall-mount or floor rack enclosure. Ideal for storing tablets, laptops, Chromebooks and other similar devices, the SR16SHELF comes preset with 4/5-inch spacing between its plastic dividers. However, the 15 dividers can easily be removed and adjusted to fit your devices. Compatible with all EIA-compliant 19-inch wall-mount and floor rack enclosures, the SR16SHELF is covered in non-scuff paint designed to resist scratches. The devices' charging cables pass through ports with rubber grommets that hold the cable in place and prevent clutter and tangles. All mounting hardware included. Mounts into 3U of rack space, but may require additional rack space depending on the size of the devices being stored.