This listing is for (1) Arista 10G SFP-10G-SR 10GB 850nmSFP+ Transceiver XVR-00001-02 Module. This item is new in factory packaging andin good working condition. We’ll provide a 60-day warranty. We do not provideany additional software or other parts with this item unless expressly statedabove. When applicable, any configuration, software, password issues, andcompatibility for particular purposes are the Buyer’s responsibility and arenot covered by the \"NO DOA\" warranty.