I hope this is not too much of an ignorant question, however I am looking at 2 different modules that look a lot alike, however one is a lot more money. Can someone help a gal out with the main differences?
CISCO WS-X4612-SFP-E
vs
CISCO WS-X4712-SFP+E
CISCO WS-X4612-SFP-E
vs
CISCO WS-X4712-SFP+E