Part AW581A is compatible in the following Models:

HPE 8/20q Fibre Channel Switch

HPE 8Gb Simple SAN Connection Kit - AK241B
HPE 8/20q Fiber Channel (FC) 16-ports Active Switch - AK242B
HPE 8/20q Fiber Channel (FC) 8-ports Active Switch - AQ233B

HPE SN6000 Stackable Fibre Channel Switch

HPE SN6000 8Gb 24-pt Single Power FC Switch - AW575B
HPE SN6000 8Gb 24-pt Dual Power FC Switch - AW576B
HPE SN6000 12-pt Single Power FC Switch - BK780B

HPE Switch XPAK Stacking Cables

HPE 10/20Gigabit XPAK 7.62-cm (3-in) Copper Cable - AW581A