This Cisco N3K-PO-8PK 8 Units of SFP+ SR for Nexus 3k is in refurbished condition and is fully guaranteed by our 90-day warranty. Please feel free to contact us regarding our inventory of refurbished Cisco networking equipment, or if you have any additional questions regarding this N3K-PO-8PK 8 Units of SFP+ SR for Nexus 3k.