Arista 100GBASE-XCWDM4 QSFP Transceiver Module, Duplex Single-Mode 10 km

Ten kilometers over a plain duplex pair is the pitch of the Arista QSFP-100G-XCWDM4. It is a QSFP28 module at 100GbE with LC connectors and single-mode fiber.

Because it uses duplex LC rather than a multi-fiber connector, it suits sites whose long-distance fiber is already terminated in LC pairs. That detail alone often decides between this and a parallel-fiber module of similar reach. Optics at both ends should be the same type, so tell us what the far end uses when you request pricing.

A 10 km link also depends on the quality of the fiber route, so share your distance and any known loss when you request pricing. It can be requested new, refurbished or used. Warranty is 1 year or 3 years for new and refurbished modules, and 90 days for used modules.