Compatible with HP/HPE Series Switches: J9279A,J4904A (2848),J4906A (3400cl-48G) J8164A (2626-PWR),J8165A (2650-PWR),J8169A (610-EPS),J8474A (6410cl-6XG) J8692AR (3500yl-24G),J8692A (3500yl-24G-PWR),J8693AR (3500yl-48G),J8693A (3500yl-48G-PWR) J8696A (620-EPS),J8992A,J9049A (2900-24G),J9050A (2900-48G),J9065A (800-NAC),J9087A (2610-24-PoE) J9089A (2610-48-PoE),J9145A (2910al-24G),J9146A (2910al-24G-PoE+),J9147A (2910al-48G) J9148A (2910al-48G-PoE+),J9279A,J9310A (3500yl-24G-PoE+),J9311A (3500yl-48G-PoE+) J9420A,J9421A,J9470A (3500-24),J9471A (3500-24-PoE),J9472A (3500-48),J9473A (3500-48-PoE) J9521A (RF MGR CTRLR),J9573A (3800-24G-PoE+-2SFP+),J9574A (3800-48G-PoE+-4SFP+) J9575A (3800-24G-2SFP+),J9576A (3800-48G-4SFP+),J9584A (3800-24SFP-2SFP+),J9585A (3800-24G-2XG) J9586A (3800-48G-4XG),J9587A (3800-24G-PoE+-2XG+),J9588A (3800-48G-PoE+-4XG+),J9625A (2620-24-PoE+) J9627A (2620-48-PoE+),J9726A (2920-24G),J9727A (2920-24G-PoE+),J9728A (2920-48G), J9729A (2920-48G-PoE+),J9772A (2530-48G-PoE+),J9773A (2530-24G-PoE+),J9778A (2530-48-PoE+) J9779A (2530-24-PoE+),J9836A (2920-48G-PoE+-740W),J9853A(2530-48G-PoE+-2SFP+) J9854A(2530-24G-PoE+-2SFP+),J9984A (1820-48G-PoE+),JL071A (3810M-24G),JL072A (3810M-48G) JL073A (3810M-24G-PoE+),JL074A (3810M-48G-PoE+),JL075A (3810M-16SFP+),JL076A(3810M-40G-8SM-PoE+) JL255A (2930F-24G-PoE+-4SFP+),JL256A (2930F-48G-PoE+-4SFP+),JL261A (2930F-24G-PoE+-4SFP) JL262A (2930F-48G-PoE+-4SFP),JL263A (2930F-24G-PoE+-4SFP+-T),JL264A (2930F-48G-PoE+-4SFP+-T) JL356A (2540-24G-PoE+-4SFP+),JL357A (2540-48G-PoE+-4SFP+),JL385A, JL386A,JL557A, JL558A, JL559A100% SATISFACTION SERVICE: If you have any question about our product, please feel free to contact us. We will take full responsibility for the product quality and try our best to solve your problem quickly and efficiently!. Better Quality Metal: Made of thickened metal, which is stronger and has high bearing capacity, durable to use, the installation is firm and not easy to fall. Size Reference: When you are not sure if your switch is compatible with our rackmount ears, please test the size of the switch and compare it with the size of the kit in the main picture 2. Only when they are consistent can they be compatible. Package Included: Each kit contains 2 rack mount ears, 8 switch screws, 4 sets of cabinet kits (screws + snaps). It fits for HP/HPE series 19-inch switches. Rack Mount Kit Compatibility: The rack ears is compatible with HP series switches. Please check the compatibility model list blow before purchg to ensure this kit is compatible with your switch.