HP 5500/5120 2-port 10GBASE-T Module: 2-port 10GBASE-T module for HP 5120 EI, 5500SI/EI/HI switches. Provides 2 Dual Speed 1000BASE-T or 10GBASE-T Copper RJ-45 Ports. Supports EEE 802.3az. Can be used for low cost stacking.Connectivity• 100m over Cat 7 or Cat 6a. : Up to 100m distance using RJ-45 copper.*55m over Cat 6 / Cat 5ePerformance• IRF stacking scalablility: work with HP IRF stacking cable to provide virtual chassis solutionWarranty and support• Lifetime warranty: advance hardware replacement for as long as you own theproduct with next-business-day delivery (available in mostcountries)†