If you are looking for a fast and reliable way to connect your devices via Ethernet, you might want to take a look at this lot of 4 Finisar FCLF-8521-3 BASE SFP transceiver. These transceivers are compatible with most SFP switches and offer a cost-effective way to connect to your network. With a data rate of up to 1000Mbps, you can be sure that your devices will be able to communicate with each other quickly and efficiently. They are also hot-pluggable, which means you can install them without the need to power down your switch.