The Finisar FCMJ-8521-3 Active Copper 1000Base-T SFP Transceiver is a high-quality networking component designed for enterprise use. With its SFP network port, it offers fast and reliable connectivity for various devices. The availability of 8 units ensures that there are plenty on hand for when they are needed. As a product from Finisar, a trusted brand in networking technology, users can expect top-notch performance and durability from this transceiver. Ideal for businesses looking to enhance their networking capabilities, the Finisar FCMJ-8521-3 is a dependable choice for expanding network connectivity.