APC Horizontal Cable Manager, 2U X 6\" Deep, Single-Sided with Cover Racks and enclosures house more equipment today than ever before. This rise in equipment densities has increased the need for an organized cable management system both inside and outside the rack. Poor cable management can not only lead to damaged cables or increased time to add or change out cables, but can block critical airflow or access. This can lead to inefficiencies in the performance of your equipment or even downtime.