Dell® P557D, 330-2409 compatible 10GBase-LR SFP+ transceiver (SMF, 1310nm, 10km, LC). A 100% Dell® compatible SFP+ transceiver that operates at 1310nm over single-mode fiber, with a maximum reach of 10km connected via a LC connector. This Dell® SFP+ transceiver is 100% compliant with its designed networking application, and is factory programmed with Dell® specific configuration data required for seamless networking integration. This SFP+ transceiver will initialize and perform identically to Dell's transceiver and is built to meet or exceed Dell's specifications, and comply with MSA (Multi-Source Agreement) standards. The actual part shipped may have a different part number, but will be functionally identical and 100% compatible. Trade Agreements Act (TAA) versions of this part are available.