This Extreme Networks 10051H 4050-00283-01 1000BASE-SX SFP Hi 850nm MMF is a brand new, sealed item ready for use. The module includes one port with SFP network ports suitable for enterprise networking, servers, and computers/tablets & networking. The manufacturer warranty for this item is none and it was made in the United States. Purchase this custom bundle with confidence as it includes top-of-the-line technology from a reputable brand without worrying about the item's condition.