Quick view LightWave Cisco Compatible, 40GBASE-LR4 QSFP+ Transceiver, 41.2 Gb/s, 10km, Single Mode, 1270, 1290, 1310, 1330nm, LC, 3.3V List Price: $3,995.00 $1,477.50 The QSFP-40G-LR4-LW transceiver operates at 40 Gbps over Single-mode fiber at 1270/1290/1310/1330nm with a maximum reach of 10 kilometers. OEM Compatible transceivers are MSA compliant for seamless integration and RoHS compliant for environmental... Add to Cart Add to Cart