Quick view Cisco QSFP-40GE-LR4 Compatible 40GBASE-LR4 QSFP+ 1310nm 10km LC DOM Transceiver CISCO $690.00 Cisco QSFP-40GE-LR4 Compatible 40GBASE-LR4 QSFP+ Transceiver (SMF, 1310nm, 10km, LC, DOM) Product Details Cisco Genuine QSFP-40GE-LR4 Vendor Name Fiberopticdistribution Form Type QSFP+ Max Data Rate 41.25Gbps Wavelength 1310nm Max Cable... Compare Add to Cart Wish list