The Proline Cisco Compatible GLC-SX-MMD-PRO Transceiver Module 3269894 is a high-quality networking device designed for use with Cisco equipment. This unit features SFP network ports and offers a maximum data rate of 1000 Mbps/1 Gbps, making it ideal for efficient and reliable network communication. Compatible with Cisco products, this transceiver module helps enhance the performance of enterprise networking systems and servers, ensuring a smooth and seamless connectivity experience for users.