The Cisco QSFP-40G-CSR4 10-2837-03 MMF QSFP+MPO Transceiver Module is a high-quality networking component designed for use in enterprise networking environments. With a single module included, this unit is ideal for connecting SFP network ports and ensuring reliable and fast data transmission. Produced by Cisco, a trusted brand in networking technology, this transceiver module is a reliable and efficient solution for improving network performance and connectivity. Made in Malaysia, this product is a valuable addition to any networking setup requiring high-speed and trusted connectivity.