Syrotech is a leading supplier of GBIC transceivers. We have a large selection of GBIC transceivers in stock and can ship the GBIC transceivers to you within 24 hours. All of our GBIC transceivers are tested in-house prior to shipping to insure that they will arrive in perfect physical and working condition. We guarantee the GBIC transceivers to work in your system and all of our GBIC transceivers come with a lifetime advance replacement warranty.