J9733A - HP - Dual-Ports Stacking Module for 2920 Switch J9733A - HP - Dual-Ports Stacking Module for 2920 Switch $117.09 $99.23
J9733-61001 - HP - 2920 2-Port RJ-45 Stacking Gigabit Ethernet Module Switch J9733-61001 - HP - 2920 2-Port RJ-45 Stacking Gigabit Ethernet Module Switch $177.71 $150.60
J9731-61001 - HP - Procurve 2920 2-Port 10GbE SFP+ Switch Module J9731-61001 - HP - Procurve 2920 2-Port 10GbE SFP+ Switch Module $835.53 $708.08
J9577A - HP - Quad-Ports Stacking Module for 3800 Switch J9577A - HP - Quad-Ports Stacking Module for 3800 Switch $84.74 $71.81
J9732-61001 - HP - 2920 2-Port RJ-45 10GBase-T Gigabit Ethernet Module Switch J9732-61001 - HP - 2920 2-Port RJ-45 10GBase-T Gigabit Ethernet Module Switch $367.58 $311.51