Thislisting is for (1) CISCO QSFP-40G-SR-BD10-2945-02 40GbE 40GBASE-SR MM LC QSFP+TRANSCEIVER MODULE.This item is tested andis in good working condition. We’ll providea 60-day warranty. We do not provide any additionalsoftware or any other parts with this item unless expressly stated above. Whenapplicable any configuration, software, password issues as well ascompatibility for particular purposes are Buyer’s responsibility and are notcovered by \"NO DOA\" warranty.