This Startech GLCSXMM10PST SFP module is designed to be compatible with Cisco GLC-SX-MM switches, providing a maximum data rate of 1000 Mbps/1 Gbps. It is a reliable and high-performance solution for your networking needs, ideal for use in enterprise settings. The module is made by StarTech, a trusted brand in the industry, and is designed to provide seamless connectivity and reliable data transfer. If you're looking for a reliable SFP module, this is an excellent choice.