Core 4 Solutions has a variety of GBICs and SFPs in stock. If you dont see the GBICs and SFPs you're looking for here, please let us know as we most likely have it in our inventory. If we don't, we can locate it for you. Contact us directly for purchasing GBICs and SFPs in bulk. info@core4solutions.com or 1-855-55-CORE4