The cable management arm from dell makes your work space clutter free it organizes data and power cables to optimize the available area this product has been tested and validated on dell systems it is supported by dell technical support when used with a dell system this product is compatible with the following systems poweredge r520 poweredge r720 poweredge r720xd poweredge r730 poweredge r730xd powervault dl2300 powervault dr4100 powervault dx6112 sn