Add a sturdy sliding shelf for easy peripheral and equipment access in your server rack or cabinet compatible with star tech com 4postrackbk 1u sliding server rack shelf adjustable rack mount shelf 55lbs 25kg weight capacity 22in 559mm deep sliding shelf mounting depth adjusts from 20 24in 508 609mm universal rack shelf fits standard 19in wide racks high capacity shelf for storing networking devices kvm switches tools and equipment in your server room or office