SIZE: Width 19.7 " (500 mm), Depth 21.7" (550 mm), Height 17.45"442 mm with casters. Also other heights 9U, 12U, 15U, 18U, 22U, 25U are available. RIVECO portable rolling network rack series is versatile for 19" standard equipment and devices STURDY: 4-post construction, heavy-duty, SPCC cold-rolled steel can safely support up to 600 lbs of rack mounting equipment with leveling feet, and 500 lbs with the casters. The black RAL9005 powder coat finish makes this 6u rack resistant to scratching and rusting