Netgear's ProSafe 10G Base-LR SFP+ LC GBIC adds 10Gigabit Ethernet "long-reach" LC fiber connectivity to the standard SFP+ interfaces. It fits into the two built-in 10GE SFP+ interfaces of GSM72xxPS / GSM73xxS and fits into the 10GE SFP+ interface of the SFP+ Adapter module AX743. It also has 10GBaseLR fiber technology is the same for XFP and SFP+ : one Switch equipped with XFP 10GBase-LR LC connectivity can uplink to another Switch equipped with SFP+ 10GBase-LR LC connectivity using the same fiber. This product has a 5 year warranty