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