Quick view Add to Cart The item has been added Palo Alto Compatible Palo Alto PAN-QSFP-40GBASE-ER4 Compatible 40GBase-ER4 QSFP+ 1310nm 40km DOM Duplex LC SMF Optical Transceiver Module MSRP: $3,181.84 Was: $2,499.98 Now: $999.99