Quick view Cisco Compatible QSFP-40G-IR4P 40GBASE-IR4 PSM QSFP+ Transceiver Cisco Compatible QSFP-40G-IR4P 4x10Gb/s 40GBASE-IR4 (PSM) SMF 1310nm MPO 1.4km QSFP+ Transceiver Mod $510.00 Add to Cart