Get 370-4379 from ComputerPartsNow.com. CPN carries a full line of 370-4379 GBIC, SFP, and GLC modules. All GBIC, SFP, and GLC sold by CPN is in stock, application tested and ready to ship. All GBIC, SFP, and GLC carries a Computer Parts Now 1-year exchange or repair warranty against manufacturing defects. It may also be returned in original condition within 14 days of delivery for full credit minus shipping. We also supply lifetime tech support for this item. All GBIC, SFP, and GLC carries