AddOn Finisar FTLF1326P3BTL Compatible TAA Compliant 6GBase-LW SFP+ Transceiver (SMF, 1310nm, 2km, LC, DOM) Inspiron 17R (5721) If your system has one

If your system has one of these non-supported controllers you can alternatively add a PCI-express USB 3

100BASE-TX

without placing a strain on the cable

Single-cable docking while powering your laptop at the same time

0 data transfer rate up to 480Mbps

AddOn Finisar FTLF1326P3BTL Compatible TAA Compliant 6GBase-LW SFP+ Transceiver (SMF, 1310nm, 2km, LC, DOM) Inspiron 17R (5721) If your system has oneAdd On's Small Form Factor Pluggable (SFP) transceivers are designed to exceed OEM system requirements. All products are guaranteed 100% compatible and will not void OEM Service support programs. Our SFP Transceivers utilize industry standard bi directional serial optical data communication protocols such as Gigabit Ethernet or Fiber Channel reaching speeds up to 8Gbps. All our SFP Transceivers are compliant with the Multi Source Agreement (MSA)