Modular rack tower system with a footprint of only 500mm x 500mm / 19.69" x 19.69" which makes it ideal for installations in tight and restricted spaces. Also available in 460mm / 18.11", 600mm / 23.62" and 800mm / 31.5" deep versions, which include a 1U space for blank, vented, or cable access rack panels in the base.