FEB6 Panel Height: 10.5" H (6U space) Features: Country of Manufacture: -United States. Dimensions: Panel Height 1 3/4" H (1 U space) - Overall Height - Top to Bottom: -1.75". Panel Height 3 1/2" H (2U space ) - Overall Height - Top to Bottom: -3.5". Panel Height 5 1/4" H (3U space) - Overall Height - Top to Bottom: -5.25". Panel Height 10.5" H (6U space) - Overall Height - Top to Bottom: -10.5".