Quick view Add to Cart The item has been added Brocade-Foundry Compatible Brocade-Foundry 40G-QSFP-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