Lot of 4 FS (Fiberstore) QSFP28-SR4 100GBASE-SR4 optical transceiver modules. Excellent pre-owned condition with minimal signs of handling. Stored in the original protective tray. Compatible with Mellanox (ME coded) equipment. Supports 100 Gigabit Ethernet over multimode fiber using MPO/MTP connectors at 850nm with Digital Optical Monitoring (DOM/DDM). Please review all photos for the exact items included and their condition.