Features: DESIGNED FOR SHALLOW DEPTH RACKS: Shortened inner rails prevent protrusion beyond rear uprights for seamless installation in shallow racks^^COMPATIBLE WITH HP PROLIANT DL20 GEN10: Specifically designed to support HP ProLiant DL20 Gen10 servers in any EIA 19" standard rack^^VERSATILE MOUNTING OPTIONS: Supports 4-post racks with mounting depths of 14.56" to