Connectzone 1ru 8.25 inch deep Shelf for 19 inch rack.   This 19" rack shelf is 8.25 inches deep & is ventilated to allow better cooling & airflow, to help keep your valuable network equipment cool & running at its best. Connectzone caries a full line of 19" Data Shelves including the following 19" 1u Rack Shelf 6 inches deep 19"