This Finisar FTLX8571D3BCL 10Gb/s 850nm SFP Optical Fiber Transceiver is a reliable and high-performance device that can be used for networking and server applications. The transceiver is compatible with devices that have SFP network ports and is suitable for use in enterprise settings. With a brand name of Finisar, users can trust that this transceiver is made with quality materials and designed to work efficiently. The device is pre-owned, but has been tested and is in good working condition. Get your networking and server needs met with this Finisar SFP transceiver.