Generic Compatible 40G QSFP+ ER4 1271~1331nm 40km Transceiver

Good quality 40 QSFP+ ER4 Transceiver (40GBASE-ER4, SMF,  CWDM 1271~1331nm, 10km, LC, DOM) at Affordable Factory Price, 3 Year Warranty & 30-Day Money-back Guarantee.

If you have any questions, please email us at sales@optcore.net or skype optcore-sfp